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Unregistered}{\operator \'b0\'ad\'bc\'ae\'b1\'b8}{\creatim\yr2001\mo6\dy14\hr15\min52}{\revtim\yr2001\mo7\dy20\min37}{\printim\yr2001\mo4\dy12\min58}{\version9}{\edmins25}{\nofpages3}{\nofwords834}{\nofchars4755} {\*\company \'bc\'ba\'b1\'d5\'b0\'fc\'b4\'eb\'c7\'d0\'b1\'b3 \'c8\'ad\'c7\'d0\'b0\'fa}{\nofcharsws0}{\vern8249}}\paperw12240\paperh15840\margl1701\margr1701\margt1985\margb1701\gutter0 \deftab851\ftnbj\aendnotes\aftnstart0\hyphhotz0\aftnnar\lytprtmet\hyphcaps0\horzdoc\dgmargin\dghspace0\dgvspace0\dghorigin1701\dgvorigin1985\dghshow0\dgvshow0\jexpand\viewkind1\viewscale100 \fet0\sectd \linex0\endnhere\sectdefaultcl {\*\pnseclvl1 \pnucrm\pnstart1\pnindent720\pnhang{\pntxta \dbch .}}{\*\pnseclvl2\pnucltr\pnstart1\pnindent720\pnhang{\pntxta \dbch .}}{\*\pnseclvl3\pndec\pnstart1\pnindent720\pnhang{\pntxta \dbch .}}{\*\pnseclvl4\pnlcltr\pnstart1\pnindent720\pnhang{\pntxta \dbch )}} {\*\pnseclvl5\pndec\pnstart1\pnindent720\pnhang{\pntxtb \dbch (}{\pntxta \dbch )}}{\*\pnseclvl6\pnlcltr\pnstart1\pnindent720\pnhang{\pntxtb \dbch (}{\pntxta \dbch )}}{\*\pnseclvl7\pnlcrm\pnstart1\pnindent720\pnhang{\pntxtb \dbch (}{\pntxta \dbch )}} {\*\pnseclvl8\pnlcltr\pnstart1\pnindent720\pnhang{\pntxtb \dbch (}{\pntxta \dbch )}}{\*\pnseclvl9\pnlcrm\pnstart1\pnindent720\pnhang{\pntxtb \dbch (}{\pntxta \dbch )}}\pard\plain \qc \li0\ri0\nowidctlpar\nowwrap\aspalpha\aspnum\faroman\rin0\lin0\itap0 \fs20\lang1033\langfe1042\loch\af0\hich\af0\dbch\af28\cgrid\langnp1033\langfenp1042 {\b\fs32 \hich\af0\dbch\af28\loch\f0 Supportion Information \par }{\b\fs28 \par }\pard\plain \s15\qc \li0\ri0\nowidctlpar\nowwrap\faauto\adjustright\rin0\lin0\itap0 \fs28\lang1033\langfe1042\kerning2\loch\af16\hich\af0\dbch\af16\cgrid\langnp1033\langfenp1042 {\b\loch\af0 \hich\af0\dbch\af16\loch\f0 Ru-Catalyzed Cyclocarbonylation of }{\b\loch\af0 {\field{\*\fldinst SYMBOL 97 \\f "Symbol" \\s 14}{\fldrslt\f3\fs28}}}{\b\loch\af0 \hich\af0\dbch\af16\loch\f0 -and }{\b\loch\af0 {\field{\*\fldinst SYMBOL 98 \\f "Symbol" \\s 14}{\fldrslt\f3\fs28}}}{\b\loch\af0 \hich\af0\dbch\af16\loch\f0 -Allenic Sulfonamides: Synthesis of }{\b\loch\af0 {\field{\*\fldinst SYMBOL 103 \\f "Symbol" \\s 14}{\fldrslt\f3\fs28}}}{\b\loch\af0 \hich\af0\dbch\af16\loch\f0 -and }{\b\loch\af0 {\field{\*\fldinst SYMBOL 100 \\f "Symbol" \\s 14}{\fldrslt\f3\fs28}}}{ \b\loch\af0 \hich\af0\dbch\af16\loch\f0 -Unsaturated Lactams \par }\pard\plain \qc \li0\ri0\nowidctlpar\nowwrap\aspalpha\aspnum\faroman\rin0\lin0\itap0 \fs20\lang1033\langfe1042\loch\af0\hich\af0\dbch\af28\cgrid\langnp1033\langfenp1042 {\fs28 \par }{\b\fs28 \par }{\fs24 \hich\af0\dbch\af28\loch\f0 Suk-Ku Kang}{\fs24\super \hich\af0\dbch\af28\loch\f0 *,}{\fs24\super \loch\af0\hich\af0\dbch\f28 \'a2\'d3}{\fs24 \hich\af0\dbch\af28\loch\f0 , Kwang-Jin Kim}{\fs24\super \loch\af0\hich\af0\dbch\f28 \'a2\'d3}{\fs24 \hich\af0\dbch\af28\loch\f0 , Chan-Mo Yu}{\fs24\super \loch\af0\hich\af0\dbch\f28 \'a2\'d3}{\fs24 \hich\af0\dbch\af28\loch\f0 , Jeong-Wook Hwang}{\fs24\super \loch\af0\hich\af0\dbch\f28 \'a2\'d4}{\fs24 \hich\af0\dbch\af28\loch\f0 , Young-Kyo \par \hich\af0\dbch\af28\loch\f0 Do}{\fs24\super \loch\af0\hich\af0\dbch\f28 \'a2\'d4}{\fs24 \par }{\fs24\super \loch\af0\hich\af0\dbch\f28 \'a2\'d3}{\i\fs24 \hich\af0\dbch\af28\loch\f0 Department of Chemistry and BK-21 School of Molecular Science, Sungkyunkwan University, Suwon 440-746, Korea \par }{\fs24\super \loch\af0\hich\af0\dbch\f28 \'a2\'d4}{\i\fs24 \hich\af0\dbch\af28\loch\f0 Department of Chemistry and BK-21 School of Molecular Science, Korea Advanced Institute of Science and Technology, Taejon 305-701, Korea \par }\pard \qj \li0\ri0\nowidctlpar\tqc\tx0\nowwrap\aspalpha\aspnum\faroman\rin0\lin0\itap0 {\fs24 \par \hich\af0\dbch\af28\loch\f0 Typical experimental procedures for the preparation of }{\b\fs24 \hich\af0\dbch\af28\loch\f0 3a-4a, }{\fs24 \hich\af0\dbch\af28\loch\f0 and spectroscopic and analytical data for }{\b\fs24 \hich\af0\dbch\af28\loch\f0 3a-4e, 5a, 5b,\hich\af0\dbch\af28\loch\f0 5c }{\fs24 \hich\af0\dbch\af28\loch\f0 and}{\b\fs24 \hich\af0\dbch\af28\loch\f0 5d \par \par }\pard \qj \li0\ri0\nowidctlpar\nowwrap\aspalpha\aspnum\faroman\rin0\lin0\itap0 {\b\fs24 \hich\af0\dbch\af28\loch\f0 Typical Procedure }{\fs24 \hich\af0\dbch\af28\loch\f0 A stainless autoclave was charged with allenic sulfonamide }{\b\fs24 \hich\af0\dbch\af28\loch\f0 1a }{\fs24 \hich\af0\dbch\af28\loch\f0 ( 70 mg, 0.25 mmol ), 1.4-dioxane (3 mL), triethylamine ( 38 mg, 0.38 mmol ) and Ru}{\fs24\sub \hich\af0\dbch\af28\loch\f0 3}{\fs24 \hich\af0\dbch\af28\loch\f0 (CO)}{\fs24\sub \hich\af0\dbch\af28\loch\f0 12}{\fs24 \hich\af0\dbch\af28\loch\f0 (1.6 mg, 1 mol % ) and the system was flushed with 20 atm of CO three ti\hich\af0\dbch\af28\loch\f0 mes. It was then pressurized to 20 atm, and the reaction mixture stirred at 100 }{ \fs24\super \hich\af0\dbch\af28\loch\f0 O}{\fs24 \hich\af0\dbch\af28\loch\f0 C for 9 h. The mixture was cooled and then evaporated }{\i\fs24 \hich\af0\dbch\af28\loch\f0 in vacuo}{\fs24 \hich\af0\dbch\af28\loch\f0 . The crude product was separated by SiO}{ \fs24\sub \hich\af0\dbch\af28\loch\f0 2}{\fs24 \hich\af0\dbch\af28\loch\f0 column chromatography ( hexanes/EtOAc, 1 : 5 ) to give the product }{\b\fs24 \hich\af0\dbch\af28\loch\f0 2a}{\fs24 \hich\af0\dbch\af28\loch\f0 (\hich\af0\dbch\af28\loch\f0 63 mg, 85% ) \par \par }\pard \qj \li0\ri0\nowidctlpar\tqc\tx0\nowwrap\aspalpha\aspnum\faroman\rin0\lin0\itap0 {\b\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 5-Butyl-3-methyl-1-(toluene-4-sulfonyl)-1,5-dihydro-pyrrol-2-one (2a) \par }{\fs24\dbch\af22 \par \hich\af0\dbch\af22\loch\f0 TLC, SiO}{\fs24\sub \hich\af0\dbch\af28\loch\f0 2}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 , EtOAc / hexanes 1 : 4, Rf = 0.28. Colorless oil, IR (neat) 3056, 2987, 1724, 1424, 1359, 1266, 1171 cm-1. 1H NMR (500 MHz, CDCl}{ \fs24\sub \hich\af0\dbch\af28\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ) }{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'64}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 0.85 (t, 3H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 7.63 Hz), 1.09 (m, 2H), 1.28 (m, 2H), 1.81 (t, 3H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 1.76 Hz), 1.83 (m, 1H), 2.14 (m, 1H}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ), 2.43 (s, 3H), 4.73 (m, 1H), 6.82 (t, 1H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 1.76 Hz), 7.32 (d, 2H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 8.21 Hz), 7.97 (d, 2H,}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 8.21 Hz). }{\fs24\super\dbch\af22 \hich\af0\dbch\af22\loch\f0 13}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 C NMR (125 MHz, CDCl}{\fs24\sub\dbch\af22 \hich\af0\dbch\af22\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ) }{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'64\'20\'20\'31\'37\'30\'2e\'36\'2c\'20\'31\'34\'35\'2e\'35\'2c\'31\'34\'35\'2e\'35\'2c\'20\'31\'33\loch\af3\dbch\af22\hich\f3 \'36\'2e\'38\'2c\'20\'31\'33\'34 \'2e\'33\'2c\'20\'31\'33\'30\'2e\'32\'2c\'20\'31\'32\'38\'2e\'37\'2c\'20}{\fs24\loch\af3\hich\af3\dbch\af22 \par }{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'36\'33\'2e\'30\'2c\'20\'33\'32\'2e\'37\'2c\'20\'32\'36\'2e\'36\'2c\'20\'32\'33\'2e\'32\'2c\'20\'32\'32\'2e\'34\'2c\'20\'31\'34\'2e\'36\'2c\'20\'31\'31\'2e\'34\'2e\'20\'48}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 RMS calcd. for C}{\fs24\sub \hich\af0\dbch\af28\loch\f0 16}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 H}{\fs24\sub \hich\af0\dbch\af28\loch\f0 21}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 NO}{\fs24\sub \hich\af0\dbch\af28\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 S: 30}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 7}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 .1242 found: 30}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 7}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 .1236. \par }\pard \qj \li0\ri0\nowidctlpar\nowwrap\aspalpha\aspnum\faroman\rin0\lin0\itap0 {\b\fs24 \par \hich\af0\dbch\af28\loch\f0 5-Hexyl-3-methyl-1-(toluene-4-sulfonyl)-1,5-dihydro-pyrrol-2-one (2b) \par }{ \par }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 TLC, SiO}{\fs24\sub \hich\af0\dbch\af28\loch\f0 2}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 , EtOAc / hexanes 1 : 3, Rf = 0.48. Colorless oil, \hich\af0\dbch\af22\loch\f0 IR (neat) 3056, 2987, 1723, 1423, 1358, 1266, 1170 cm-1. 1H NMR (500 MHz, CDCl}{\fs24\sub \hich\af0\dbch\af28\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ) }{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'64}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 0.87 (t, 3H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 7.63 Hz), 1.06 (m, 1H), 1.12 (m, 1H), 1.22 (m, 6H), 1.81 (t, 3H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J} {\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 1.76 Hz), 1.82 (m, 1H), 2.13 (m, 1H}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ), 2.43 (s, 3H), 4.73 (m, 1H), 6.81 (t, 1H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 1.7\hich\af0\dbch\af22\loch\f0 6 Hz), 7.32 (d, 2H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 8.21 Hz), 7.97 (d, 2H,}{ \i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 8.21 Hz). }{\fs24\super\dbch\af22 \hich\af0\dbch\af22\loch\f0 13}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 C NMR (125 MHz, CDCl}{\fs24\sub\dbch\af22 \hich\af0\dbch\af22\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ) }{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'64\'20\'20\'31\'37\'30\'2e\'36\'2c\'20\'31\'34\'35\'2e\'35\'2c\'20\'31\'34\'35\'2e\'34\'2c\'20\'31\'33\'36\'2e \'39\'2c\'20\'31\'33\'34\'2e\'33\'2c\'20\'20\'31\'33\'30\'2e\'32\'2c\'20\'31\'32\'38\'2e\'37\'2c\'20\'36\'33\'2e\'30\'2c\'20\'33\'33\'2e\'30\'2c\'20\'33\'32\'2e\'33\'2c\'20\'32\'39\'2e\'38\'2c\'20\'32\'34\'2e\'35\'2c\'20\'32\'33\'2e\'32\'2c\'20\'32\'32 \'2e\'33\'2c\'20\'31\'34\'2e\'37\'2c\'20\'31\'31\'2e\'34\'2e\'20\'48}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 RMS calcd. for C}{\fs24\sub \hich\af0\dbch\af28\loch\f0 18}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 H}{\fs24\sub \hich\af0\dbch\af28\loch\f0 24}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 NO}{\fs24\sub \hich\af0\dbch\af28\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 S: 335.1555 found: 335.1546. \par }{ \par }{\b\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 5-Hexyl-\hich\af0\dbch\af22\loch\f0 3-methyl-1-(2,4,6-trimethyl-benzenesulfonyl)-1,5-dihydro-pyrrol-2-one (2c) \par }\pard \qj \li0\ri0\nowidctlpar\tqc\tx0\nowwrap\aspalpha\aspnum\faroman\rin0\lin0\itap0 {\fs24\dbch\af22 \par \hich\af0\dbch\af22\loch\f0 TLC, SiO}{\fs24\sub \hich\af0\dbch\af28\loch\f0 2}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 , EtOAc / hexanes 1 : 5, Rf = 0.45. Colorless oil, IR (neat) 3056, 2985, 1717, 1424, 1343, 1266, 1165 cm-1. 1H NMR (500 MHz, CDCl}{ \fs24\sub \hich\af0\dbch\af28\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ) }{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'64}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 0.89 (t, 3H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 7.04 Hz), 1.30 (m, 8\hich\af0\dbch\af22\loch\f0 H), 1.79 (t, 3H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 1.76 Hz), 1.93 (m, 1H), 2.26 (m, 1H}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ), 2.29 (s, 3H), 2.62 (s, 6H), 4.76 (m, 1H), 6.86 (t, 1H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{ \fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 1.76 Hz), 6.95 (s, 1H), 7.26 (s, 1H). }{\fs24\super\dbch\af22 \hich\af0\dbch\af22\loch\f0 13}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 C NMR (125 MHz, CDCl}{\fs24\sub\dbch\af22 \hich\af0\dbch\af22\loch\f0 3 }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ) }{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'64\'20\'20\'31\'37\'30\'2e\'34\'2c\'20\'31\'34\'34\'2e\'39\'2c\'31\'34\'33\'2e\'34\'2c\'20\'31\'34\'31\'2e\'36\'2c\'20\'31\'34\'31\'2e\'36 \'2c\'20\'31\'33\'34\'2e\'32\'2c\'20\'31\'33\'32\'2e\'36\'2c\'20\'36\'33\'2e\'35\'2c\'20\'33\'33\'2e\'20\'36\'2c\'20\'33\'32\'2e\'33\'2c\'20\'32\'39\'2e\'39\loch\af3\dbch\af22\hich\f3 \'2c\'20\'32\'35\'2e\'31\'2c\'20\'32\'33\'2e\'33\'2c}{ \fs24\loch\af3\hich\af3\dbch\af22 \par }{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'32\'31\'2e\'38\'2c\'20\'31\'34\'2e\'37\'2c\'20\'31\'31\'2e\'34\'2e\'20\'48}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 RMS calcd. for C}{\fs24\sub \hich\af0\dbch\af28\loch\f0 20}{ \fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 H}{\fs24\sub \hich\af0\dbch\af28\loch\f0 29}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 NO}{\fs24\sub \hich\af0\dbch\af28\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 S: 335.1555 found: 335.1479. \par }\pard \qj \li0\ri0\nowidctlpar\nowwrap\aspalpha\aspnum\faroman\rin0\lin0\itap0 {\b\fs24\dbch\af22 \par \hich\af0\dbch\af22\loch\f0 1-Benzyl-5-hexyl-3-methyl-1,5-dihydro-pyrrol-2-one (2d) \par }\pard \qj \li0\ri0\sb240\nowidctlpar\nowwrap\aspalpha\aspnum\faroman\rin0\lin0\itap0 {\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 TLC, SiO}{\fs24\sub \hich\af0\dbch\af28\loch\f0 2}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 , EtOAc / hexanes 1 : 4, Rf = 0.30. Colorless oil, IR (neat) 3055, 2981, 1679, 1651, 1422, 1266, 1150\hich\af0\dbch\af22\loch\f0 cm-1. 1H NMR (500 MHz, CDCl}{\fs24\sub \hich\af0\dbch\af28\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ) }{ \fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'64}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 0.86 (t, 3H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 7.04 Hz), 1.18 (m, 8H), 1.43 (m, 1H), 1.74 (m, 1H), 1.94 (t, 3H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 1.76 Hz), 3.81 (m, 1H) 4.07(d, 1H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J}{ \fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 7.63 Hz), 5.12 (d, 1H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 7.63 Hz), 6.62(t, 1H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J}{ \fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 1.76 Hz), 7.22 (d, 2H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 7.63 Hz), 7.26 (m,\hich\af0\dbch\af22\loch\f0 1H), 7.32 (d, 2H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 7.63 Hz), }{\fs24\super\dbch\af22 \hich\af0\dbch\af22\loch\f0 13}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 C NMR (125 MHz, CDCl}{\fs24\sub\dbch\af22 \hich\af0\dbch\af22\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ) }{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'64\'20\'31\'37\'32\'2e\'36\'2c\'20\'31\'34\'31\'2e\'31\'2c\'20\'31\'33\'38\'2e\'35\'2c\'20\'31\'33\'35\'2e\'35 \'2c\'20\'31\'32\'39\'2e\'33\'2c\'20\'31\'32\'38\'2e\'36\'2c\'20\'31\'32\'38\'2e\'30\'2c\'20\'36\'30\'2e\'31\'2c\'20\'34\'34\'2e\'36\'2c\'20\'33\'32\'2e\'33\'2c\'20\'33\'30\'2e\'39\'2c\'20\'33\'30\'2e\'30\'2c\'20\'32\'34\'2e\'35\'2c\'20\'32\'33\'2e\'32 \'2c\'20\'31\'34\'2e\'38\'2c\'20\'31\'32\'2e\'30\'2e\'20\'48}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 RMS calcd. for C}{\fs24\sub \hich\af0\dbch\af28\loch\f0 16}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 H}{\fs24\sub \hich\af0\dbch\af28\loch\f0 21}{ \fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 NO}{\fs24\sub \hich\af0\dbch\af28\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 S: 271.1936 found: 271.1934.}{\b\fs24\dbch\af22 \par }\pard \qj \li0\ri0\nowidctlpar\tqc\tx0\nowwrap\aspalpha\aspnum\faroman\rin0\lin0\itap0 {\b\fs24\dbch\af22 \par \hich\af0\dbch\af22\loch\f0 5-Cyclohexyl-3-methyl-1-(toluene-4-sul\hich\af0\dbch\af22\loch\f0 fonyl)-1,5-dihydro-pyrrol-2-one (2e) \par }{\fs24\dbch\af22 \par \hich\af0\dbch\af22\loch\f0 TLC, SiO}{\fs24\sub \hich\af0\dbch\af28\loch\f0 2}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 , EtOAc / hexanes 1 : 4, Rf = 0.33. Colorless oil, IR (neat) 3055, 2986, 1723, 1423, 1358, 1265, 1169 cm-1. 1H NMR (500 MHz, CDCl}{ \fs24\sub \hich\af0\dbch\af28\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ) }{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'64}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 0.51 (m, 1H), 1.07 (m, 5H), 1.36 (m, 2H), 1.56 (m, 1H), 1.67 (m, 1H}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ), 1.81\hich\af0\dbch\af22\loch\f0 (t. 3H,}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 1.76 Hz), 1. 84 (m, 1H), 2.43 (s, 3H), 4.64 (m, 1H), 6.80 (t, 1H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 1.76 Hz), 7.32 (d, 2H, }{ \i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 8.21 Hz), 7.96 (d, 2H,}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 8.21 Hz). }{\fs24\super\dbch\af22 \hich\af0\dbch\af22\loch\f0 13}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 C NMR (125 MHz, CDCl}{\fs24\sub\dbch\af22 \hich\af0\dbch\af22\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ) }{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'64\'20\'20\'31\'37\'30\'2e\'36\'2c\'20\'31\'34\'35\'2e\'35\'2c\'20\'31\'34\'33\'2e\'33\'2c\'20\'31\'33\'36\'2e\'38\'2c\'20\'31\'33\'35\'2e\'30\'2c\'20\'31\'33\'30\'2e\'32\'2c\'20\'31\'32\'38\'2e\'37\'2c\'20\'36}{ \fs24\loch\af3\hich\af3\dbch\af22 \par }{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'37\'2e\'36\'2c\'20\'34\'30\'2e\'34\'2c\'20\'33\'31\'2e\'30\'2c\'20\'32\'37\'2e\'31\'2c\'20\'32\'37\'2e\'30\'2c\'20\'32\loch\af3\dbch\af22\hich\f3 \'36\'2e\'33\'2c\'20\'32\'36\'2e\'32\'2c \'20\'32\'32\'2e\'34\'2c\'20\'31\'31\'2e\'35\'2e\'20\'48}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 RMS calcd. for C}{\fs24\sub \hich\af0\dbch\af28\loch\f0 18}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 H}{\fs24\sub \hich\af0\dbch\af28\loch\f0 23}{ \fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 NO}{\fs24\sub \hich\af0\dbch\af28\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 S: 333.1399 \par \hich\af0\dbch\af22\loch\f0 found: 333.1385. \par \par }{\b\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 3-Methyl-5-phenyl-1-(toluene-4-sulfonyl)-1,5-dihydro-pyrrol-2-one (2f) \par \par }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 TLC, SiO}{\fs24\sub \hich\af0\dbch\af28\loch\f0 2}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 , EtOAc / hexanes 1 : 4, Rf = 0.25. white solid m.p 160}{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'b0}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 C, IR (neat) 3055, 2987, 1727, 1422, 1364, 1265, 1171 cm-1. 1H NMR (500 MHz, CDCl}{\fs24\sub \hich\af0\dbch\af28\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ) }{ \fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'64}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 1.90 (t. 3H,}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 1.76 Hz), 2.36 (s, 3H), 5.69 (t, 1H}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 1.76 Hz), 6.77 (m, 1H), 7.09 (m, 1H), 7.12 (d, 2H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 8.21 Hz), 7.28(m, 2H), 7.34(m, 1H), 7.43 (d, 2H,}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 8.21 \hich\af0\dbch\af22\loch\f0 Hz). }{\fs24\super\dbch\af22 \hich\af0\dbch\af22\loch\f0 13}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 C NMR (125 MHz, CDCl}{\fs24\sub\dbch\af22 \hich\af0\dbch\af22\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ) }{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'64\'20\'20\'31\'37\'30\'2e\'34\'2c\'20\'31\'34\'35\'2e\'33\'2c\'20\'31\'34\'35\'2e\'31\'2c\'20\'31\'33\'36\'2e\'35\'2c\'20\'31\'33\'35\'2e\'31\'2c\'20\'31\'33\'33\'2e\'37\'2c\'20\'31\'32\'39\'2e\'36\'2c\'20\'31\'32\'39\'2e \'35\'2c\'20\'31\'32\'39\'2e\'34\'2c\'20\'31\'32\'38\'2e\'36\'2c\'20\'31\'32\'38\'2e\'35\'2c\'20\'36\'35\'2e\'39\'2c}{\fs24\loch\af3\hich\af3\dbch\af22 \par }{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'20\'32\'32\'2e\'33\'2c\'20\'31\'31\'2e\'34\'2e\'20\'48}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 RMS calcd. for C}{\fs24\sub \hich\af0\dbch\af28\loch\f0 18}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 H}{\fs24\sub \hich\af0\dbch\af28\loch\f0 17}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 NO}{\fs24\sub \hich\af0\dbch\af28\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 S: 327.0929 found: 327.0923. \par \par }{\b\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 5-Furan-2-yl-3-methyl-1-(toluene-4-sulfonyl)-1,5-dihydro-pyrrol-2-one (\hich\af0\dbch\af22\loch\f0 2g) \par \par }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 TLC, SiO}{\fs24\sub \hich\af0\dbch\af28\loch\f0 2}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 , EtOAc / hexanes 1 : 3, Rf = 0.26. white solid m.p 150}{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'b0}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 C, IR (neat) 3055, 2987, 1730, 1423, 1365, 1265, 1172 cm-1. 1H NMR (500 MHz, CDCl}{\fs24\sub \hich\af0\dbch\af28\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ) }{ \fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'64}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 1.87 (t. 3H,}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 1.76 Hz), 2.38 (s, 3H), 5.80 (t, 1H}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 1.76 Hz), 6.40(dd, 1H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 3.23, 1.76 Hz), 6.52 (d, 1H }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 3.23 Hz), 6.75 (t. 1H,}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 1.76 Hz), 7.19 (d. 2H,}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 8.21 Hz), 7.23 (d, 1H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 1.76 Hz), 7.52 (d, 2H,}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 8.21 Hz). }{\fs24\super\dbch\af22 \hich\af0\dbch\af22\loch\f0 13}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 C NMR (125 MHz, CDCl}{ \fs24\sub\dbch\af22 \hich\af0\dbch\af22\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ) }{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'64\'20\'31\'36\'39\'2e\'37\'2c\'20\'31\'34\'37\'2e\'35\'2c\'20\'31\'34\'35\'2e\'33\'2c\'31 \'34\'33\'2e\'36\'2c\'20\'31\'34\'31\'2e\'35\'2c}{\fs24\loch\af3\hich\af3\dbch\af22 \par }{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'31\'33\'36\'2e\'33\'2c\'20\'31\'33\'35\'2e\'31\'2c\'20\'31\'33\'30\'2e\'30\'2c\'20\'31\'32\'38\'2e\'35\'2c\'20\'31\'31\'31\'2e\'39\'2c\'20\'31\'31\'31\'2e\'35\'2c\'20\'35 \loch\af3\dbch\af22\hich\f3 \'38\'2e\'39\'2c\'20\'32\'32\'2e\'33\'2c\'20\'31\'31\'2e\'35\'2e\'20\'48}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 RMS calcd. for C}{\fs24\sub \hich\af0\dbch\af28\loch\f0 16}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 H}{ \fs24\sub \hich\af0\dbch\af28\loch\f0 15}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 NO}{\fs24\sub \hich\af0\dbch\af28\loch\f0 4}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 S: 317.0722 found: 317.0740. \par \par }{\b\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 3-Methyl-5-thiophen-2-yl-1-(toluene-4-sulfonyl)-1,5-dihydro-pyrrol-2-one (2h) \par }{\fs24\dbch\af22 \par \hich\af0\dbch\af22\loch\f0 TLC, SiO}{\fs24\sub \hich\af0\dbch\af28\loch\f0 2}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 , EtOAc / hexanes 1 : 3, Rf = 0.40 white solid m.p 141}{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'b0}{ \fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 C, IR (neat) 3056, 2988, 1729, 1423, 1365, 1265, 1173 cm-1. 1H NMR (500 MHz, CDCl}{\fs24\sub \hich\af0\dbch\af28\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ) }{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'64}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 1.91 (t. 3H,}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 1.76 Hz), 2.36 (s, 3H), 6.05 (t. 1H,}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 1.76 Hz), 6.84 (dd, 1H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 1.76, 2.35 Hz), 7.02 (dd. 1H,}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 3.52, 3.23 Hz), 7.13 (d. 2H,}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 8.21 Hz), 7.21 (d\hich\af0\dbch\af22\loch\f0 d, 1H, }{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 1.76, 3.23 Hz), 7.26 (m. 1H), 7.45 (d, 2H,}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 8.21 Hz). }{\fs24\super\dbch\af22 \hich\af0\dbch\af22\loch\f0 13}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 C NMR (125 MHz, CDCl}{\fs24\sub\dbch\af22 \hich\af0\dbch\af22\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ) }{ \fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'64\'20\'31\'36\'39\'2e\'36\'2c\'20\'31\'34\'35\'2e\'33\'2c\'20\'31\'34\'33\'2e\'39\'2c\'20\'31\'33\'38\'2e\'31\'2c\'31\'33\'36\'2e\'34\'2c}{\fs24\loch\af3\hich\af3\dbch\af22 \par }{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'31\'33\'34\'2e\'34\'2c\'20\'31\'33\'30\'2e\'30\'2c\'20\'31\'32\'38\'2e\'34\'2c\'20\'31\'32\'37\'2e\'36\'2c\'20\'31\'32\'37\'2e\'33\'2c\'20\'36\'30\'2e\'37\'2c\'20\'32\'32\'2e\'33\'2c\'20 \'31\'31\'2e\'35\'2e\'20\'48}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 RMS calcd. for C}{\fs24\sub \hich\af0\dbch\af28\loch\f0 16}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 H}{\fs24\sub \hich\af0\dbch\af28\loch\f0 15}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 NO}{\fs24\sub \hich\af0\dbch\af28\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 S}{\fs24\sub\dbch\af22 \hich\af0\dbch\af22\loch\f0 2}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 : 333.049 \par \hich\af0\dbch\af22\loch\f0 3 found: 333.0491. \par \par }{\b\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 3-Methyl-1-(tolu\hich\af0\dbch\af22\loch\f0 ene-4-sulfonyl)-5,6-dihydro-1}{\b\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 H}{\b\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 -pyridin-2-one (2i) \par }{\fs24\dbch\af22 \par \hich\af0\dbch\af22\loch\f0 TLC, SiO}{\fs24\sub \hich\af0\dbch\af28\loch\f0 2}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 , EtOAc / hexanes 1 : 3, Rf = 0.26 white solid, mp.100}{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'b0}{ \fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 C, IR (neat) 3056, 2987, 1688, 1424, 1354, 1265, 1169 cm-1. 1H NMR (500 MHz, CDCl}{\fs24\sub \hich\af0\dbch\af28\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ) }{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'64}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 1.79 (dd. 3H,}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 1.76, 3.52 Hz), 2.43 (s, 3H), 2.49 (m \hich\af0\dbch\af22\loch\f0 , 2H), 4.05 (t. 2H,}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 6.45 Hz), 6.54 (m, 1H), 7.32 (d. 2H,}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 8.21 Hz), 7.93 (d, 2H,}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 8.21 Hz). }{\fs24\super\dbch\af22 \hich\af0\dbch\af22\loch\f0 13}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 C NMR (125 MHz, CDCl}{\fs24\sub\dbch\af22 \hich\af0\dbch\af22\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ) }{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'64\'20\'31\'36\'35\'2e\'32\'2c\'20\'31\'34 \'35\'2e\'33\'2c\'20\'31\'33\'39\'2e\'37\'2c}{\fs24\loch\af3\hich\af3\dbch\af22 \par }{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'31\'33\'36\'2e\'38\'2c\'20\'31\'33\'32\'2e\'32\'2c\'20\'31\'33\'30\'2e\'31\'2c\'20\'31\'32\'39\'2e\'32\'2c\'20\'32\'35\'2e\'38\'2c\'20\'32\'32\'2e\'34\'2c\'20\'31\'37\'2e\'32\'2e\'20\'48}{ \fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 RMS calcd. for C}{\fs24\sub \hich\af0\dbch\af28\loch\f0 13}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 H}{\fs24\sub \hich\af0\dbch\af28\loch\f0 15}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 NO}{\fs24\sub \hich\af0\dbch\af28\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 S: 265.0773 found: 265.0724. \par \par }{\b\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 3,6-Dimethyl-1-(toluene-4-sulfonyl)-5,6-dihydro-1}{\b\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 H}{\b\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 -pyridin-2-one (2j) \par }{\fs24\dbch\af22 \par \hich\af0\dbch\af22\loch\f0 TLC, SiO}{\fs24\sub \hich\af0\dbch\af28\loch\f0 2}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 , EtOAc / hexanes 1 : 3, Rf = 0.38. white solid, mp. 100}{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'b0}{ \fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 C, IR (neat) 3056, 2988, 1688, 1424, 1354, 1265, 1170 cm-1. 1H NMR (500 MHz, CDCl}{\fs24\sub \hich\af0\dbch\af28\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ) }{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'64}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 1.38 (d. 3H,}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 6.75 Hz), 1.81 (\hich\af0\dbch\af22\loch\f0 m, 3H), 2.23 (m, 1H), 2.43 (s, 3H), 2.84 (m, 1H), 4.96 (m, 1H), 6.40 (m, 1H), 7.31 (d. 2H,}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 8.21 Hz), 7.96 (d, 2H,}{\i\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 J }{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 = 8.21 Hz). }{\fs24\super\dbch\af22 \hich\af0\dbch\af22\loch\f0 13}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 C NMR (125 MHz, CDCl}{\fs24\sub\dbch\af22 \hich\af0\dbch\af22\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 ) }{\fs24\loch\af3\hich\af3\dbch\af22 \loch\af3\dbch\af22\hich\f3 \'64\'20\'31\'36\'34\'2e\'30\'2c\'20\'31\'34\'35\'2e\'31\'2c\'20\'31\'33\'37\'2e\'38\'2c\'20\'31\'33\'36\'2e\'37 \'2c\'20\'31\'33\'31\'2e\'36\'2c\'20\'31\'32\'39\'2e\'39\'2c\'20\'31\'32\'39\'2e\'36\'2c\'20\'20\'35\'31\'2e\'39\'2c\'20\'33\'32\'2e\'31\'2c\'20\'32\'32\'2e\'34\'2c\'20\'32\'31\'2e\'30\'2c\'20\'31\'37\'2e\'30\'2e\'20\'48}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 RMS calcd. for C}{\fs24\sub \hich\af0\dbch\af28\loch\f0 14}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 H}{\fs24\sub \hich\af0\dbch\af28\loch\f0 17}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 NO}{\fs24\sub \hich\af0\dbch\af28\loch\f0 3}{\fs24\dbch\af22 \hich\af0\dbch\af22\loch\f0 S: 265.0929 found: 265.0947. \par \par }}