CHINESE CHEMICAL LETTERS

Vol. 12, No. 2, 2001

CONTENTS

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Photochemical selective desilylation of t-butyldimethylsilyl ethers.………

………………………………..M. Z. JIN, L. YANG, L. M. WU, Y. C. LIU, Z. L. LIU

 

 

95

A mild oxidant for the regeneration of carbonyl compounds from oximes in nonaqueous condition.…………………………………………………………..

……………………………..Q. Z. ZHANG, S. S. ZHANG, X. M. LIU, J. M. ZHANG

 

 

 

99

Study on synthesis of azo-coupling products of 3-aminotropolone.………….

……………………………………………………………W. T. GAO , Z. ZHENG

 

 

103

An efficient solid-state synthesis of N-aryl-2-phenyldiazenecarboxamides.…

…………………………..J. P. LI, Q. F. LUO, Y. Y. SHEN, Y. L. WANG, H. WANG

 

 

107

A novel stereoselective synthesis of 8-O-4' neolignans ………………………

……………………………………..X. C. CHEN, W. X. GU, X. B. JING, X. F. PAN

 

 

109

Stereoselective synthesis of (+)-D5-dehydrosugiyl methyl ether.……………

………………………………………..A. P. LI, X. S. PENG, Y. H. GAN, X. F. PAN

 

 

111

Construction of the core of pseudolaric acid A and mechanistic studies on intramolecular [4+3] cycloaddition.……………………………………………

…………………………X. T. JIANG, L. G. OU, D. M. HAN, Y. F. ZHAI, D. L. BAI

 

 

 

113

Synthesis and properties of an aminated hypocrellin B.……………………...

………………………………………………………………Y. J. TANG, J. Y. AN

 

 

117

Inclusion behavior of dimer b-cyclodextrin bridged with aspartic acid derivative.………………………………………………………….L. X. SONG

 

 

119

(Et4N)2[Fe4(SPh)10] stimulated  SRN1 reactions of  a-bromonaphthalene with

pinacolone carbanion.…………………………………………………………..

…………………….Z. ZHANG, Y. L. GONG, Y. WANG, Z. B. CHEN, P. L. WANG

 

 

 

121

Direct oxidation of ethene to acetic acid……………………………………….

………………………………...K. G. FANG, X. P. WANG, J. L. ZHANG, T. X. CAI

 

 

125

Modification of metal complex on the stereoselective hydrogenation of 2,3-butanedione……………………………………………………...Y. LI, H. F. LIU

 

 

127

Catalytic film and selective oxidation of iso-butylene………………………...

……………………X. MAO, Y. Q. YIN, Y. M. ZHANG, S. H. PENG, B. K. ZHONG

 

 

129

A new catalyst system V-Cs-Cu-Tl for selective oxidation of p-tert butyl toluene to p-tert benzaldehyde………………………………………………….

……………………………………………..M. CHEN, R. X. ZHOU, X. M. ZHENG

 

 

 

133

Three new glyceroglycolipids from Serratula strangulata…………………

………………………………..J. Q. DAI, C. Y. ZHAO, Q. X. ZHU, L. YANG, Y. LI

 

 

135

A new ceramide from the basidiomycetes Armillaria mellea…………………

…………………………………………………..J. M. GAO, Z. J. DONG, J. K. LIU

 

 

139

A new isoprenylated flavonol from the leaves of Broussonetia kazinoki……..

……………………...P. C. ZHANG, S. WANG, Y. H. WANG, R. Y. CHEN, D. Q. YU

 

 

141

Two new steroidal saponins from Diuranthera inarticulata…………………..

………………………...W. L. YANG, J. TIAN, Q. ZHANG, S. L. PENG, L. S. DING

 

 

143

A new diterpene glycoside from Isodon forrestii………………………………

…………………………S. X. MEI, Y. X. DENG, Q. B. HAN, Z. W. LIN, H. D. SUN

 

 

145

New diterpenoid alkaloids from Spiraea japonica var. ovalifolia……………

…...G. Y. ZUO, H. P. HE, X. HONG, W. M. ZHU, Y. M. HU, X. S. YANG, X. J. HAO

 

 

147

Two new triterpenoids from Saussurea petrovii……………………………….

…………………………….J. Q. DAI, B. ZHOU, Y. L. WANG, L. YANG, Z. L. LIU

 

 

151

Separation of six pyridoncarboxylic acid derivatives by micellar and microemulsion electrokinetic chromatography……………………………

……………………………………………………...J. D. LU, W. YUAN, X. Y. FU

 

 

 

155

A new method for determination of adsorption and desorption coefficients of pesticides with soil column liquid chromatography………………………

……………………………………………………….W. M. WANG, X. M. LIANG

 

 

 

157

Study  on effect  of Gd (III) speciation  on Ca (II)  speciation  in human blood plasma by computer simulation………………………………………………….

…………..Y. WANG, X. LU, S. Y. WANG, J. F. HAN, K. Y. YANG, C. J. NIU, J. Z. NI

 

 

 

161

Curie and Pauli spins in Lithium intercalated MCMB……………………….

……………………………………………………Z. M. DU, L. ZHUANG, J. T. LU

 

 

163

Spectroscopic study of the interaction of Bu2SnCl2 with EHPG……………

……………………………………………………………….C. Y. WEI, P. YANG

 

 

165

A statistical examination on the compensation between the enthalpies and entropies obtained from the calorimetric methods………………………

…………………………………………...L. LIU, C. YANG, T. W. MU, Q. X. GUO

 

 

 

167

The determination of the protonation constants of a new macrocyclic dinucleating ligand, BDBPH……………………………………………………

…………………..G. Q. SHANGGUAN, N. WANG , H. E. WANG, A. E. MARTELL

 

 

 

171

Four –level decay model of 6P7/2 excited state of Eu2+ ion in KMgF3……

…………………………………...H. Q. SU, X. M. ZHANG, C. Y. ZANG, C. S. SHI

 

 

175

A novel and optimized method for electro-focusing and moving neutralization reaction boundary formed by HCl and NaOH……………….

……………………….C. X. Cao, S. L. Zhou, Y. Z. He, W. K. Chen, Y. T. Qian

 

 

 

179

Preparation of PMMA foam by supercritical CO2 with ethanol……………..

………………………………………….Z. M. LIU, G. Y. YANG, D. LI, B. X. HAN

 

 

183

Synthesis and crystal structure of (Bu4N)2Hg(i-mnt)2…………………………

………………………………………………...H. G. Zheng, Q. H. Jin, X. Q. XIN

 

 

185

Preparing nano-ZnS by solid state reaction at room temperature…………..

……………………………………………………………X. L. SUN, G. Y. HONG

 

 

187

    Supported by the National Natural Science Foundation of China