CHINESE CHEMICAL LETTERS 

Vol. 11, No. 10, 2000

CONTENTS
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The novel selective reduction of the C-C triple bond¡­¡­¡­¡­¡­¡­¡­¡­¡­....

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.......W. X. GU, A. X. WU, X. F. PAN

 

847

Oxidative rearrangement via oxycerication with Ce(IV) salt¡­¡­¡­¡­¡­¡­..

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­....¡­..B. WANG, H. Z. MA

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849

A solid phase synthesis of chalcones by Claisen-Schmidt condensations¡­....

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.......M. S. CHENG, R. S. LI, G. KENYON

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851

A new approach for preparation of various phenylethylamines¡­¡­¡­¡­¡­..

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.......C. Z. RAN, T. Z. WU, Y. XIANG, M. H. XIE

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855

A new approach to prepare 2-acetyl-mono (5,6,7,8)-nitro-1,2,3,4-tetrahy-droisoquinolines¡­¡­...¡­C. Z. RAN, T. Z. WU, G. P. WANG, M. H. XIE

 

857

Synthesis and spectrophotometric studies of 2-(5-carboxy-1,3,4-triazolylazo)-5-diethylamino aniline¡­....¡­.F. Y. PAN, C. H. GE, H. D. LIANG

 

861

A facile method to synthesize spiro-calix[4]arenes¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­....¡­..Q. Y. ZHENG, C. F. CHEN, Z. T. HUANG

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863

The synthesis of 1-aryl-5-fluorouracil¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

¡­¡­¡­¡­¡­¡­¡­¡­.....J. Z. YOU, S. Y. CHEN, O. ISHRUD, Y. G. WANG, Y. Z. CHEN

¡¡

 

865

A convenient method for the synthesis of 1,3,2-oxazaphospholidin-[3,2-a]-8-oxo-10-thio(or seleno)-[1,3,2]-benzodiazaphosphorines¡­¡­¡­¡­¡­¡­........

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.....S. L. DENG, J. M. HUANG, R. Y. CHEN

 

 

867

Studies on the total synthesis of crotocembreneic acid and neocrotocembre-neic acid:A perchloric acid-induced lactonization reaction of epoxy ester¡­¡­¡­¡­¡­..¡­¡­.Z. S. LIU, J. LAN, L. Z. PENG, Y. L. LI

 

 

871

Studies on agarofurans VI. The introduction of substituents to C-1 and C-2 positions of agarofurans¡­¡­¡­...¡­¡­..W. Y. ZHANG, J. Y. GUO, X. T. LIANG

¡¡

 

873

First total synthesis of four benzodioxane neolignans¡­¡­¡­¡­¡­¡­¡­¡­¡­...

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­......X. B. JIANG, W. X. GU, P. Y. BIE, X. F. REN, X. F. PAN

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875

Synthesis of  2,6-dimethoxyhydroquinone-3-mercaptoacetyl-peptide-chlor   ambucil conjugates¡­¡­¡­¡­¡­.¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­¡­..Y. F. SONG

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879

Synthesis  and  electrochemical  studies  on  BEDT-TTF  derivatives  with hydroxyl groups¡­¡­¡­¡­...¡­¡­¡­.....H. X. LI, D. Q. ZHANG, W. XU, D. B. ZHU

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883

Synthesis and structure of a novel caged bicyclic phosphate flame retardant¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­..X. LI, Y. X. OU, Y. H. ZHANG, D. J. LIAN

 

887

Theoretical study of the thermal decomposition of chlorofluoromethanol (CHClFOH)¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.

¡­¡­¡­.......S. K. WANG, H. HOU, Q. Z. ZHANG, C. Y. KONG, B. S. WANG, Y. S. GU

¡¡

 

 

891

Development of multi-wavelength spectral-correction method......H. W. GAO

893

A new flavonoid ketohexofuranoside from leaves of crataegus pinnatifida bge.var. major N.E.Br¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­....P. C. ZHANG, S. X. XU

¡¡

 

895

Two new glycosides from Rubus amabilis¡­¡­¡­¡­¡­¡­...X. C. CHEN, Z. J. JIA

¡¡

897

Two new steroidal glycosides from Ophiopogon japonicus¡­¡­¡­¡­¡­¡­¡­...

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­....H. F. DAI, J. ZHOU, Z. T. DING, J. XIONG, N. H. TAN

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901

Sesquiterpene lactones from Notoseris porphyrolepis¡­¡­¡­¡­¡­¡­¡­¡­¡­..

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­......F. L. XU, J. TIAN, M. L. LI, L. S. DING, F. E. WU

 

905

Ginsenoside-Rg6, a novel triterpenoid saponin from the stem-leaves of Pa-nax ginseng C. A. Mey¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.¡­.

¡­¡­..¡­¡­¡­.....X. W. YANG, L. Y. LI, J. M. TIAN, Z. W. ZHANG, J. M. YE, W. F. GU

 

 

909

A new triterpenoid saponin from Aralia subcapitata¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.....¡­.M. L. ZOU, S. M. SANG, Z. H. XIA, A. N. LAO

¡¡

 

913

Impedance characterization of the film formation process at the graphite anodes¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.¡­¡­.....¡­...B. H. DENG, Y. F. LI, H. Q. YANG

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915

The electrochemical investigation of MEH-PPV in ionic liquid¡­¡­¡­¡­¡­.

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­....¡­.C. H. YANG, G. F. HE, J. R. ZHENG, J. QIAO, Y. F. LI

 

919

The LB films of dansyl chloride labeled octadecylamine and its fluorescence lifetime¡­¡­...H. N. CUI, G. L. YUAN, W. LI, W. Y. WANG, S. Q. XI

 

921

Relaxation of chain extension of amorphous PET fiber above the glass tran-sition temperature¡­¡­¡­.¡­¡­.X. LINGHU, J. ZHAO, R. SONG, Q. R. FAN

 

925

Different aggregation behaviors of tetra- (4-hydroxyphenyl) porphyrin (THPPH2) in the inner core and on the surface of CTAB micelles¡­¡­¡­¡­

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­....¡­¡­.C. MA, Y. H. ZHANG, C. S. FU, Q. S. LI

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929

Crystal form transition during heating of solvent-induced crystalline syndio-tactic polystyrene¡­¡­¡­¡­..¡­.C. S. ZHU, H. J. DOU, S. Q. HE, Z. S. MO

 

931

Controlling the molecular weight  and  molecular weight distribution using compressed CO2 antisolvent¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­¡­¡­¡­..

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.....J. LIU, Z. M. LIU, B. X. HAN, J. WANG, Q. HUO, F. F. LIU

 

 

933

Synthesis and structural characterization of one-dimensional polynuclear complex [La(bipyN2O2)(TFA)3]n¡­¡­¡­¡­¡­¡­¡­¡­.¡­..¡­..W. X. ZHU, Y. HE

¡¡

 

935

Easy fabrication of dense ceramic membrane for oxygen separation¡­¡­¡­..

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.....¡­¡­.Z. P. SHAO, G. X. XIONG, W. S. YANG

¡¡

 

937
Supported by the National Natural Science Foundation of China