CHINESE CHEMICAL LETTERS

Vol. 13, No. 11, 2002

CONTENTS

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The steric effect of trans-(1S,2S)-1-substituted-2-(N,N-dialkyl-amino)-1-indanol derivatives as chiral ligands in the catalytic enantioselective addition of diethylzinc to aldehydes¡­¡­¡­¡­¡­.¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­.¡­

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­............. Q. Y. XU, H. F. YANG, X. F. PAN, G. M. ZHU

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1029

Synthesis of 1-(2¢-phenyl)cyclopropyl-2,3-epoxypropan-1-ol as the radical precursor for the kinetic study of oxiranylcarbinyl radical¡­¡­¡­¡­¡­¡­¡­.

¡­¡­¡­¡­¡­¡­¡­..¡­¡­.¡­¡­¡­¡­¡­¡­¡­¡­¡­...........¡­Z. H. QU, W. F. SHI, J. B. WANG

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1033

Synthesis of novel C2-symmetric chiral polyamide macrocycles containing pyridyl side-arm¡­¡­¡­...¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­...¡­¡­.¡­¡­

¡­¡­¡­¡­¡­¡­..¡­¡­...¡­¡­¡­¡­¡­¡­¡­¡­¡­................. X. CHEN, D. M. DU, W. T. HUA

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1037

An efficient method for a-alkylation of g-butyrolactone¡­¡­¡­¡­¡­¡­¡­¡­..

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­¡­.¡­¡­...............¡­¡­... Y. R. MENG, Y. D. GUAN

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1039

Synthesis of N1-substituted-3-aryl-4-alkyl-4, 5-dihydro-1H-1-pyrazolethio-carboxamide as novel small molecule inhibitors of cysteine protease of T. cruzi¡­.¡­¡­¡­¡­¡­....¡­..¡­C. GUO, X. H. DU, J. H. McKERROW, F. E. COHEN

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1043

Activation of carbon dioxide and synthesis of propylene carbonate¡­¡­¡­...

..¡­.¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­.............¡­Y. J. ZHANG, Y. E. FENG, Y. Z. PAN, R. HE

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1047

Synthesis of (1H)-3,4-dihydropyrrolo[2,1-c][1,4]oxazin-1-one derivatives¡­.

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.............¡­¡­D. C. FU, H.g YU, S. F. ZHANG

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1051

A convenient method for the synthesis of distamycin analogue¡­¡­¡­¡­...¡­

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­¡­¡­............¡­... J. WANG, F. L. TANG, G. YUAN

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1055

Synthesis of AZT-phosphonate, phosphonothioate and phosphonoselenoate

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...............¡­.¡­. Q. XIAO, Y. JU, Y. F. ZHAO

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1057

Improvement of thioester method by using Pac ester for synthesis of cyclopentapeptides¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...............¡­M. LIU, G. L. TIAN, Y. H. YE

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1059

Studies on room temperature ionic liquid prepared from InCl3-MBIC¡­¡­..

¡­¡­.¡­..........P. TIAN, J. Z. YANG, W. G. XU, P. ZHANG, X. M. SONG, Z. D. LIANG

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1061

Two new sesquiterpenes from Euonymus nanoides¡­¡­¡­¡­¡­.¡­¡­¡­¡­.¡­.

..¡­¡­¡­.¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.............¡­¡­¡­¡­... H. WANG, X. TIAN, Y.Z. CHEN

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1063

A new pseudo sesquiterpenoid from the seeds of Koelreuteria paniculata¡­..

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...........¡­...¡­..¡­W. H. LIN, H. M. LEI, H. Z. FU, J. LI

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1067

Two new sesquiterpenes from Ligularia veitchiana¡­¡­¡­¡­¡­.¡­¡­¡­.¡­¡­.

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..........¡­¡­.... Y. WANG, C. S. YUAN, Y. F. HAN, Z. J. JIA

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1069

Chemical components of Helicia nilagirica Beed. I. structure of three new flavonol glycosides¡­...¡­¡­¡­¡­..¡­¡­..¡­..¡­..............¡­T. WU, D. Y. KONG, H. T. LI

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1071

Two new ent-kaurane diterpenoids from Isodon japonica¡­¡­¡­.¡­¡­¡­...¡­

¡­¡­¡­¡­¡­..¡­¡­¡­........ J. X. ZHANG, Q. B. HAN, Q. S. ZHAO, S. H. LI, H. D. SUN

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1075

Sebiferone, a new triterpenoid from stem bark of Sapium sebiferum (L.) Roxb.¡­¡­..¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­¡­..........................¡­¡­.¡­... R. H.i LIU, L. Y. KONG

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1079

Two new ent-kauranoids from Isodon sculponeata¡­¡­¡­¡­¡­¡­¡­¡­¡­

¡­¡­¡­¡­¡­¡­..¡­...¡­......B. JIANG, H. YANG, Q. B. HAN, Z. NA1, H. D. SUN

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1083

Analysis of ascorbic acid in single human neutrophils by electrochemical detection¡­¡­¡­¡­¡­..¡­¡­¡­¡­¡­¡­¡­..¡­¡­¡­¡­¡­¡­¡­............... L. JIANG, W. R. JIN

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1087

Electrochemical enzyme immunoassay of tumor marker CA15-3 with capillary electrophoresis¡­¡­¡­¡­¡­¡­...¡­¡­¡­...¡­..¡­................................ Z. H. HE, W. R. JIN

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1090

Flow injection analysis of histidine with enhanced electrogenerated chemiluminescence of luminol¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.¡­¡­¡­¡­..¡­¡­¡­...............¡­..

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­................. L. D. ZHU, Y. X. LI, G. Y. ZHU

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1093

Positional and quantitative characterization of the hydroxyethyl groups in hydroxyethyl starch by GC/MS or NMR¡­¡­¡­¡­.................¡­¡­¡­¡­¡­¡­...¡­¡­¡­¡­

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­................¡­.¡­. Y. M. LIU, G. Y. XU

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1097

Intramolecular amide hydrolysis in N-methylmaleamic acid revisited¡­¡­................

¡­¡­¡­¡­¡­¡­¡­.¡­¡­¡­¡­¡­¡­¡­¡­..¡­............¡­. Z. J. WU, S. H. ZHOU, S. Y. ZHANG

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1100

Structural characterization of anhydroicaritin glycosides using ESI-FT-ICR mass spectrometry¡­¡­¡­¡­...¡­¡­¡­¡­¡­.¡­¡­.....¡­¡­¡­...................................¡­¡­¡­..¡­¡­.

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..........¡­¡­... S. X. XIONG, D. PU, B. XIN, G. H. WANG

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1103

Determination of cationic surfactant by laser thermal lens spectrometry¡­............

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.............¡­¡­¡­¡­¡­¡­..¡­¡­. H. T. YAN, Y. ZHANG, Y. YAN

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1107

Generation of hydrogen from photolysis of organic acids by photosynthetic bacteria..¡­....¡­......... S. P. YANG, Z. W. WANG, C. G. ZHAO, Y. B. QU, X. M. QIAN

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1111

Sol-gel template synthesis and photocatalytic activity of TiO2 nanofibrils loaded on Al2O3 template¡­..¡­¡­¡­........................¡­........ Y. GAO, W. YU, M. K. LI, H. L. LI

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1115

Electrocatalytic activity of platinum particles electrodeposited onto poly (vinylpyridine) films¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.................¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­..

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.............. L. NIU, F. H. WEI, X. CHEN, H. WANG, Q. H. LI

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1119

Nafion/SiO2 manocomposites: high potential catalysts for alkylation of benzene with linear C9-C13 alkenes¡­¡­¡­¡­¡­¡­.............................¡­¡­¡­¡­¡­¡­¡­¡­¡­.¡­¡­

¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­¡­.......... H. WANG, B. Q. XU, M. H. HAN, C. XU, E. Z. MIN

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1121

Methanol tolerant FeTPP-Pt/C co-catalysts for the electroreduction of oxygen..¡­¡­.¡­¡­.¡­..¡­..¡­....................... X. G. LI, X. Q. LI, W. XING, X. Q. WANG, T. H. LU

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1125

A novel regeneration method of Cu(0)-deposited TiO2 photocatalytic film: air-assisted electrochemical oxidation¡­¡­.¡­¡­................¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­....

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.............¡­C. HE, Y. XIONG, X. H. ZHU

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1127

Decomposition of transformer oil under ultrasonic irradiation during degassing process¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.¡­¡­¡­¡­...................................¡­¡­¡­¡­¡­¡­¡­¡­¡­.¡­

¡­¡­¡­¡­¡­¡­¡­¡­..........¡­X. Z. LAN, Y. F. GUAN, D. Q. ZHU, Z. C. TAN, L. X. SUN

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1131

Electrooxidation of CO on Ru(0001) and RuO2(100) electrode surfaces¡­¡­

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...........¡­¡­¡­¡­W. B. WANG, K. LIU, M. S. ZEI, G. ERTL

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1135

A possible reaction channel from BrONO to BrNO2¡­¡­¡­¡­¡­¡­..¡­¡­..¡­

.¡­¡­¡­¡­¡­¡­..¡­.......H. T. YU, Y. J. CHI, H. G. FU, X. R. HUANG, Z. S. LI, J. Z. SUN

 

1138