CHINESE CHEMICAL LETTERS

Vol. 12, No. 3, 2001

CONTENTS

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First enantioselective synthesis of (2R, 3R)- and (2S, 3S)-2-(4-hydroxy- phenyl)-3-hydroxymethyl-1, 4-benzodioxan-6-carbaldehyde…………….....

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

 

 

 

189

Synthesis of 2-substituted hexahydro-1H-1, 4-diazepine analogues………....

………………..J. S. SHEN, L. J. LEI, T. M. YAN, J. F. LI, H. J. LI, Z. H. LI, R. Y. JI

 

 

193

A case of abnormal Bishler-Napieralski cyclization reaction, leading to form benzyl oxazole derivatives………………………...Z. Z. LIU, S. Z. CHEN

 

 

195

An Improved method of total synthesis of 2-methoxypodocarpane-8,11,13-triene……………………………………………....Q. XIAO, Y. X. CUI, P. F. TU

 

 

197

Concise Synthesis of (±) –epi –chrysotricine………………………………….

…………………………....G. X. WANG, J. X. ZHANG, S. F. CHEN, X. T. LIANG

 

 

199

A concise approach to the synthesis of carnosic acid type diterpenes……….

…………..…………………………………………Y. X. CUI, Q. XIAO, P. F. TU

 

 

203

chiral  synthesis of 13-acetyl-12-hydroxy-podocarpane-8,11,13-triene-7-one………………………....A. P. LI, Y. H. GAN, X. S. PENG, T. X. WU, X. F. PAN

 

 

205

A novel synthesis of dimethyl malonate by carbonylation of methyl chloroacetate catalyzed by cobalt complex…………………………………...

……………………………………………………......W. H. SONG , X. Z. JIANG

 

 

 

207

Oxidative degradation of 2,4,6-trichlorophenol in the presence of air ions….

………………………………………………………………….……H. M. MA, J. WOHLERS, U. MEIERHENRICH, A. BERNECKER, V. SULING, W. THIEMANN

 

 

 

211

Protonation and dehydrogenation during the multiphoton ionization of the cluster: C4H5N(H2O)n…………………………………………………………..

……………………………...Y. J. HU, Y. CAI, R. C. LU, N. Q. LOU, X. Y. WANG

 

 

 

215

On the structure of the arginine-carboxylate salt bridge: A density functional theory study……………………………………………………..….

……………………………………..……T. W. MU, Y. FENG, L. LIU, Q. X. GUO

 

 

 

219

Two-parameter stochastic resonance in a model of electrodissolution of Fe in H2SO4……………………………………………………..Z. X. PI, H. W. XIN

 

 

223

Tsaokoin, a new bicyclic nonane from Amomum tsao-ko……………….…….

…………………...……………Q. S. SONG, R. W. TENG, X. K. LIU, C. R. YANG

 

 

227

A new flavone glycoside from Isodon enanderianus…………………………..

………………...……………….Z. NA, S. X. MEI, C. M. LI, Z. W. LIN, H. D. SUN

 

 

231

A new flavanone from the bark of Morus macoura Miq.……………………..

…………………..…………………………….S. G. SUN, R. Y. CHEN, D. Q. YU

 

 

233

Novel chromone derivatives from marine fungus Aspergillus versicolor isolated from the sponge Xestospongia exigua………………………………..

……………………………...…………...W. H. LIN, H. Z. FU, J. LI, P. PROKSCH

 

 

 

235

Two new dammarane glycosides from the acid hydrolysis product of Panax notoginseng……………………………………………………………………...

………R. W. TENG, H. Z. LI, X. M. ZHANG, X. K. LIU, D. Z. WANG, C. R. YANG

 

 

 

239

A new indole alkaloid from Limonia crenulata……………………………….

…………..……………...X. M. NIU, S. H. LI, L. Y. PENG, G. X. RAO , H. D. SUN

 

 

243

A novel ursane triterpene from Rubus swinhoei………………………………

……………………………...W. Q. ZHAO, L. S. DING, Q. ZHANG, M. K. WANG

 

 

245

A new norditerpene from Miliusa balansae Finet et Gagnep………………...

……………………..…………………R. WU, Q. YE, N. Y. CHEN, G. L. ZHANG

 

 

247

A novel catalyst for CO2 reforming of CH4……………………………………

……………..…………………..C. J. HUANG, X. M. ZHENG, L. Y. MO, J. H. FEI

 

 

249

Sol-Gel method for preparation of LiLaNiO/g-Al2O3 catalyst over monoliths used in POM reaction…………………………………...………….

……………..….R. RAN, G. X. XIONG, Y. H. ZHANG, S. S. SHENG, W. S. YANG

 

 

 

253

A new type of polymer-supported metallocene catalyst for ethylene polymerization………………………………………………………………….

……….….G. Q. YU, D. Z. ZHANG, F. SHUN, L. J. QIAO, T. TANG, B. T. HUANG

 

 

 

257

A new rapid determination method of soil organic carbon adsorption coefficients of pesticides with soil column liquid chromatography………...

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

 

 

 

261

On-line multichannel Raman spectroscopic detection system for capillary zone electrophoresis………………………..…………………………………..

……………..……………………………Z. LI, Y. J. WANG, G. Q. LIU, Y. CHEN

 

 

 

265

A new chemiluminescent triazine reagent……………………………………..

……………..………...Q. L. MA, M. H. SU, H. M. MA, Z. H. WANG, S. C. LIANG

 

 

267

Electrochemistry and electrocatalysis with hemoglobin in DHP-PDDA sur-factant-polymer multibilayer composite films…………………………..

…………………………...……………………N. F. HU, H. Y. LIU, L. W. WANG

 

 

 

269

The aggregates in LB films of Schiff base aluminium (III) complex………..

………………..…………...W. CAO , W. LIAN, Y. B. BAI, C. Y. LIU, H. B SHAO

 

 

271

Dynamic rheological characterization of a thermotropic liquid crystalline  poly (aryl ether ketone)…………………………………...……………………

…………..…H. SUN, W. J. ZHANG, Z. W. WU, L. W. LI, B. B. YANG, Q. ZHENG

 

 

 

273

A new method to remove neutral template in the synthesis of HMS………...

……………………………………...Q. M. ZHANG, Y. LI, F. Z. HUANG, Z. N. GU

 

 

275

Synthesis, structure and properties of tetrakis (thiourea) mercury (II)    tetrakis (thiocyanato-N) zinc (II)……………………………X. N. JIANG, …...D. XU, D. R. YUAN, W. T. YU, M. K. LU, S. Y. GUO, G. H. ZHANG, Q. FANG

 

 

 

279

   Supported by the National Natural Science Foundation of China