CHINESE CHEMICAL LETTERS

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Vol. 14, No. 10, 2003

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CONTENTS

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Solid-phase stereoselective synthesis of (E)-1, 2-disubstituted ethenes from polymer-supported ¦Á-selenoaldehydes ¡­.............S. R. SHENG, L. L. WU, X. HUANG

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991

Microwave-assisted solventless Biginelli reaction catalyzed by mont-morillonite clay-SmCl3 ¡¤ 6H2O system ¡­¡­¡­¡­¡­¡­¡­...............................¡­Y. X. LI, W. L. BAO

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993

Study on the total synthesis of Et 743 and its analogues: synthesis of a tri-cyclic intermediate and its 11-epimer¡­¡­..............¡­Y. F. TANG, Z. Z. LIU, S. Z. CHEN

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996

Design and synthesis of 3, 4-dihydropyrrolo[2, 1-c][1, 4]oxazin-1-one and its 7-acyl derivatives¡­¡­¡­¡­¡­¡­¡­.¡­¡­....................¡­¡­.¡­Y. E. GUO, B. FU, Y. X. LIU

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999

Synthesis of 2-arylimidazo[1, 2-a]pyrimidines in ionic liquids¡­¡­¡­¡­¡­..........¡­.

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..............¡­..D. Q. XU, B. Y. LIU, Z. Y. XU

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1002

A novel green preparation of a, a'-bis (substituted benzylidene)- cyclo-alkanones promoted by FeCl3•6H2O in ionic liquid ¡­¡­¡­..................................¡­¡­¡­¡­¡­¡­..

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­........¡­¡­X. Y. ZHANG, X. S.FAN, H. Y.NIU, J. J.WANG

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1005

Asymmetric dihydroxylation of allylamine catalyzed by wool-OsO4 complex¡­¡­..

............................¡­...J.H. MIAO, J. H. YANG, L.Y. CHEN, M.Y. HUANG, Y. Y. JIANG

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1008

An efficient synthesis of diaryl ethers by coupling aryl halides with substituted phenoxytrimethylsilane in the presence of TBAF ¡­¡­¡­...............................¡­¡­¡­.

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­............¡­¡­¡­¡­¡­¡­¡­¡­.¡­.J. K. ZHAO, Y. G. WANG

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1012

The reduction of a natural diterpene containing a, b-unsaturated keto group¡­¡­¡­¡­¡­¡­¡­...........¡­Q. ZHAO, X. HONG, C. ZOU, Y. M. SHEN, X. J. HAO

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1015

Reductive deoxygenation of carbonyl to methylene by LiAlH4/InBr3¡­¡­............¡­.

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.......¡­...¡­N. Y. FU, X. M. ZHAO, Y. F. YUAN, J. T. WANG

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1018

Ring-opening polymerization of e-caprolactone using lanthanide tris(4-tert-butylphenolate)s as a single-component initiator¡­¡­¡­¡­¡­.....¡­¡­¡­¡­¡­..¡­

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­...........¡­¡­¡­..C. P. YU, L. F. ZHANG, Z. Q. SHEN

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1021

A novel fluorescent probe for lead ions¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..............¡­¡­¡­¡­..

¡­¡­..¡­M. SUN, D. H. SHANG GUAN, H. M. MA, L. H. NIE, X. H. LI, S. X.XIONG

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1024

A novel pregnane glycoside from Biondia chinensis¡­¡­¡­..........¡­¡­¡­¡­¡­¡­..¡­

¡­¡­¡­¡­¡­¡­¡­¡­..........¡­¡­.X. G. TAN, S. L. PENG, X. LIAO, J. LIANG, L. S. DING

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1027

Two new monoterpene diglycosides from Winchia calophylla A. DC ¡­.........¡­¡­..

..¡­...¡­....¡­.W. M. ZHU, B. G.WANG, W. Y. KANG, X. HONG, J. ZHOU, X. J. HAO

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1029

One new type proanthocyanidin trimer from Lindera aggregata (Sims) Kosterm.¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­¡­...C. F. ZHANG, Q. S. SUN, Z. T. WANG, M. HATTORI

 

1033

Two new sterols from Bolbostemma paniculatum¡­¡­¡­¡­¡­¡­¡­..........¡­¡­¡­..¡­

 ¡­¡­¡­¡­..........W. Y. LIU, W. D. ZHANG, H. S. CHEN, Z. B. GU, T. Z. LI, W.S. CHEN

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1037

Oleanane-triterpene saponins from Clinopodium urticifolium¡­¡­¡­¡­............¡­..

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.............¡­L. M. GAO, X. M. WEI, D. L. CHENG

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    1041

A new brominated phenylpropylaldehyde and its dimethyl acetal from red alga Rhodomela confervoides¡­¡­¡­¡­¡­..¡­¡­....................... X. FAN, N. J. XU, J. G.SHI

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1045

A new stilbene tetramer from Caragana rosea¡­¡­¡­¡­¡­¡­¡­¡­...........¡­¡­¡­.¡­..

¡­¡­¡­¡­¡­¡­¡­¡­¡­.¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..............¡­¡­G. X. YANG, C. Q. HU

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1048

Flow-injection chemiluminescence determination of trace calf thymus DNA

¡­¡­¡­¡­...¡­¡­M. ZHOU, Y. J. MA, X. Y. JIN, X. L. TENG, Z. Y. ZHANG, H. CHEN

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1051

Interaction of Hypocrellin B or mono-cysteine substituted Hypocrellin B

with CT-DNA by spectral methods¡­¡­.........................¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...

¡­¡­¡­¡­¡­¡­¡­¡­......... J. H. ZHOU, S. Q. XIA, X. S. WANG, B. W. ZHANG, Y. CAO

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1054

Effect of low energy electron exposure on ion scattering spectroscopy¡­.................

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..........¡­¡­¡­¡­¡­¡­¡­..¡­L. M. QIU, F. LIU, L. Z. ZHAO

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1058

Nonlinear behavior and domain feature at oil/water interface ¡­¡­¡­¡­...............¡­.

¡­¡­¡­¡­¡­...¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...............¡­. J. Z. GAO, K. J. SUN, W.YANG

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1062

Selective oxidation of methane to methanol using molecular oxygen on MoOx/(LaCoO3+Co3O4) catalysts¡­¡­¡­¡­¡­¡­...........................¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.

¡­¡­¡­¡­¡­¡­¡­¡­........¡­.X. ZHANG, D. H. HE, Q. J. ZHANG, B. Q. XU, Q. M. ZHU

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1066

Oxidation of n-butanol and 2-pentanol with molecular oxygen in super-critical CO2¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­........¡­¡­..Y. H. CHANG, T. JIANG,

 ..................L. GAO, G. Y. ZHAO, H. X. GAO, Z. H. LI, J. C. LI, Z. M. LIU, B. X. HAN

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1070

Effects of bases on the stabilities of nucleoside C4' radicals..¡­¡­............¡­¡­¡­¡­.

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­............¡­¡­B. L. LIN, Y. FU, L. LIU, Q. X. GUO

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1073

Molecular exchanging energy of anionic/cationic surfactants system on the surface of solution¡­¡­¡­¡­¡­¡­¡­¡­.........¡­. Z. W. WANG, D. Y. HUANG, X. Z.YI

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1077

Study on the reaction mechanism for carbon dioxide reforming of methane over supported nickel catalyst¡­¡­¡­¡­¡­¡­¡­¡­.¡­...................¡­¡­.L. QIAN,  Z. F. YAN

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1081

A kinetic evidence for the nitroxyl radicals recycling mechanism in the

photostabilizing process of HALS¡­¡­¡­¡­¡­¡­¡­..............¡­¡­¡­¡­¡­¡­...¡­¡­¡­¡­

¡­¡­..... X. X. LIU, X. H. ZHANG, G. G. WU , J. W. YANG , Z. H. ZENG, Y. L. CHEN

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1085

Synthesis, structure and conductivity of (PyH)[Ni(dmit)2]2¡­¡­¡­¡­¡­¡­¡­.

.¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.¡­¡­¡­.¡­¡­¡­...........¡­¡­¡­.¡­W. XU, Q. FANG, G. XUE, 

...........W. T. YU, H. Y. CHEN, G. Q. LIU, W. XU, C. Y. XU, D. Q. ZHANG, D. B. ZHU

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1089

Dye-sensitized TiO2 solid solar cell using poly (4-vinylphenyloxy methyl-triphenylamine) as hole transport material ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..

¡­¡­¡­¡­...¡­......¡­¡­K. J. JIANG, Y. L. SUN, K. F. SHAO, J. F. WANG, L. M. YANG

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1093

Study on Intercalative Nanohybrid of Cordycepin in  Layered Double Hydroxide ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.......¡­¡­¡­J. Y. LING, 

...................................J. YANG, Q. Z. YANG, J. F. PENG, H. X.ZHANG, C. K. ZHANG

 

 

1097