CHINESE CHEMICAL LETTERS

VOL. 10, NO. 10, 1999

CONTENTS

Studies on the reaction of substituted 6-nitrocoumarin with anilines…...….

………………………………………………….....….L. F. XIE, S. P. XU, S. XU, L. M. LI

811

Synthesis of α-aminoarylacetic acids in the presence of phase transfer catalysts…………………………………...……W. L. XU, Y. F. CHEN, F. L. WU

813

Synthesis of amurensin H, a new resveratrol dimer from the roots of Vitis amurensis…………………………………...K. S. HUANG, M. LIN, Y. H. WANG

817

An efficient synthesis and screening of osteostatin analogues by using pooling strategy………….....D. X. WANG, R. HAN, H. Y. LIU, L. HUANG, J. FU

821

A new sesquiterpene from Celastrus angulatus………………………………..

………………………………………….…....……H. L. QIN, T. Z. ZHAO, Y. J. SHANG

825

New diterpenoid alkaloids from Spiraea fritschiana var. Parvifolia…………

………………………….....…...M. LI, X. B. DU, Y. M. SHEN, B. G. WANG, X. J. HAO

827

Carboxymethyl-b-cyclodextrin for chiral separation of basic drugs by capillary electrophoresis………….………...W. WANG, X. Y. FU, Y. Z. CHEN

831

Fragmentation reactions of adduct ions [M+CH₃CO]⁺ of isomeric phenylenediamines………………………...…….Z. L. LI, S. Y. LIU, L. S. LONG

833

Theoretical study on the structure and vibrational spectra for 4-methyl-3-penten-2-one……………………………….….D. M. DU, A. P. FU, Z. Y. ZHOU

835

¹⁹F NMR study on the charge-transfer process between ground-state acceptor fluoranil (or pentafluorophenyl carboxylate) and some N-alkylphenothiazine donors….………………………………………………

…………………………...………H. N. YI, J. L. SHI, Z. H. QIU, J. Y. XU, X. K. JIANG

839

Photoreduction behaviors of microperoxidase-II adsorbed on the roughened silver electrodes…………………………………………………..

………………………….....…...Y. GAO, H. YANG, J. D. GUO, J. W. ZHENG, T. H. LU

843

Dioxygen affinities and biomimetic catalytic performance of transition-metal complexes with benzoin Schiff bases……………………...

…………………………………………....…..H. YANG, S. Y. QIN, X. X. LU, W. ZENG

845

A new enzymatic method for determination of E. Coli……..…Y. X. CI, T. L. LI

849

Study on the spectrophotometric determination of rare earths with a new chromogenic reagent dibromo-p-methyl-chlorosulfonazo(DBMCSA)……

…………………………………….....…G. Z. FANG, J. M. PAN, W. L. ZHOU, B. L. XU

851

The electrochemical behavior of bleomycin at A Co/GC ion implantation modified electrode…………………………………………....J. B. HU, Q. L. LI

855

Unique nafion-Os(bpy)₃²⁺ modified electrodes…..P. F. LIU, J. T. LU, J. W. YAN

857

Studies on alternating pulse current-chronopotentiometric stripping ana-lysis……………………………….......K. Q. YU, J. HU, H. S. Tang, H. Gao

861

Electrocatalytic oxidation of hypophosphite on nickel electrode--------in situ UV-Vis spectroscopic study……………….……….....…Y. ZENG, S. M. ZHOU

863

Rheological behavior of epoxy resin concentrated dispersions…………...…

……………….…………....……...Z. Z. YANG, W. W. WANG, D. L. ZHAO, M. XU

867

Polymerization of styrene in supercritical CO₂-swollen poly(ethylene terephthlate)…………………………………....…D. LI, B. X. HAN, H. K. YAN

871

Constant-Volume Heat capacity of mixed supercritical fluids and molecular interaction in the systems………………………………………...

…..…........L. SHI, X. F. ZHANG, X. G. ZHANG, B. X. HAN, G. Y. YANG, H. K. YAN

873

The reaction of metal trialkyls with benzo[H]quinolin-10-ol…………..…….

……...…….…………...…....X. S. Wu, H. S. Sun, Y. Pan, H. B. CHEN, X. Z. Sun

875

Synthesis and crystal structure of rare earth complex with Ciprofloxacin.....

…...……..………………...………...…....P. YANG, J. B. LI, Y. N. TIAN, K. B. YU

879

Synthesis and properties of three tris(1,10-phenanthroline) ruthenium (II) derivatives………...……………………..…....F. M. TIAN, P. WANG, G. Y. ZHU

881

In-situ synthesis of ZSM-5 with different Si / Al  ratios on honeycomb-shaped cordierite and their behavior on NO decomposition……….…..…………...

...………………………...…....….X. L. SHAN, N. J. GUAN, X. ZENG, S. H. XIANG

885