CHINESE CHEMICAL LETTERS VOL. 12, NO. 7, 2001

CONTENTS

A rapid and convenient synthesis of acylals from aldehydes and acetic anhydrides catalyzed by SnCl4/SiO2 ¡­¡­¡­...¡­....¡­¡­ Y. Q. LI, L. H. CHENG

 

565

Synthesis of a new b-mercaptoalcohol ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.¡­..

¡­¡­...¡­¡­¡­¡­¡­...¡­¡­¡­¡­ J. F. GE, L. F. ZHANG, Z. X. SHEN, Y. W. ZHANG

 

569

Synthesis of optical active 2-arylpropionic acid ¡­¡­¡­¡­¡­¡­¡­¡­¡­.¡­.....

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

 

571

Stereoselective synthesis of N1-lyxitol inosine derivative ¡­¡­¡­¡­¡­¡­¡­..

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­¡­. L. J. HUANG, Y. PANG, J. M. MIN, L. H. ZHANG

 

575

An improved synthesis of trans-3, 3b, 4, 9b, 10, 11-hexahydro -6-methoxy-9b-methyl-7-(1-methylethyl)phenanthro{1,2-c[furan-1, 5 dione]} ¡­¡­¡­¡­..

 ¡­¡­¡­¡­..¡­¡­...¡­¡­¡­¡­¡­¡­¡­¡­¡­.¡­...¡­ X. Q. YIN, G. Z. YANG, Y. C. LI

 

 

579

Facial selecitivity in the nucleophilic additions of endo-tricyclo [5.2.1.02,6] deca-2(6),8-dien-3-one ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­¡­¡­¡­¡­¡­¡­.....................

¡­¡­¡­...¡­.. X. S. MAO, A. A. VOLKERS, A. J. H. KLUNDER, B. ZWANENBURG

 

 

581

Study on nuclephilic additions to endo-tricyclo[5.2.1.02,6]deca-2(6), 8-dien-3-one and an unusual Payne rearrangement of a, b-epoxy tricyclo-decenone

¡­¡­¡­¡­¡­ X. S. MAO, A. A. VOLKERS, A. J. H. KLUNDER, B. ZWANENBURG

 

 

585

Study on the synthesis and biodegradation of aliphatic polyester ¡­¡­...¡­.

 ¡­¡­¡­¡­¡­¡­¡­.¡­ C. Y. ZHU, X. D. KOU, Z. Q. ZHANG, Y. C. YOU, D. H. XIN

 

589

Synthesis and characterization of poly (ether imide)s containing phtha-lazinone and isopropyl moieties ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­¡­¡­

 ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­. J. Y. WANG, X. G. JIAN, S. D. XIAO

 

 

593

Synthesis of dendritic-linear block copolymers by atom transfer radical polymerization ¡­¡­¡­.¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.¡­

¡­¡­¡­¡­..¡­.¡­ Y. L. ZHAO, A. J. GONG, J. JIANG, H. W. LIU, C. F. CHEN, F. XI

 

 

595

A new eudesmanolide and a new aromatic derivative from Carpesium cernuun ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­ C. YANG, Q. X. ZHU, W. YONG, Z. J. JIA

 

597

Two new eremophilane sesquiterpenes from Cacalia ainsliaeflora ¡­¡­¡­¡­

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­¡­.¡­ M. J. MAO, Z. J. JIA

 

601

Three new coumarins from Micromelum integerrimum ¡­¡­¡­¡­¡­¡­.....¡­.

 ¡­¡­¡­¡­¡­¡­.. H. P. HE, Y. ZOU, Y. M. SHEN, X. Y. HAO, G. Y. ZUO, X. J. HAO

 

603

Leiocyclocin A and B, two cyclopeptides from Goniothalamus leiocarpus ¡­.

¡­¡­¡­¡­Q. MU, R. W. TENG, C. M. LI, D. Z. WANG, Y. WU, H. D. SUN, C. Q. HU

 

607

Gnetupendin C, a new stilbene dimer from the lianas of Gnetum pendulum ¡­¡­.¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.¡­¡­ X. M. LI, Y. H. WANG, M. LIN

 

611

A new spirostanol saponin from Dioscorea futshauensis ¡­¡­¡­¡­¡­¡­¡­¡­.

¡­.¡­¡­¡­¡­¡­¡­¡­..¡­.... H. W. LIU, H. KOBAYASHI, G. X. QU, X. S. YAO

 

613

A new bnzosesquiterpenoid dimer from Polyalthia cheliensis HU ¡­¡­¡­¡­..

¡­¡­¡­¡­.¡­ W. M. ZHU, X. HONG, Y. M. SHEN, B. T. ZHAO, H. P. HE, X. J. HAO

 

617

Intercalation of epinephrine with calf - thymus ds-DNA ¡­¡­¡­¡­.¡­.¡­¡­...

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­......¡­.. S. J. ZHENG, X. Q. LIN

 

619

Study of oxidation of glutathione treated with hypochlorous acid by capillary electrophoresis¡­¡­..¡­¡­¡­¡­¡­¡­.¡­¡­ X. LUO, J. D. LU, X. Y. FU

 

623

A hydrogen peroxide biosensor combined HRP doped polypyrrole with ferrocene modified sol-gel derived composite carbon electrode¡­¡­¡­¡­¡­.

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­¡­¡­..¡­¡­¡­ F. M. TIAN, B. XU, G. Y. ZHU

 

 

625

Direct electrochemistry of hemoglobin in layer-by-layer {PDDA/Hb}n films assembled on pyrolytic graphite electrodes ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.¡­.. P. L. HE, N. F. HU

 

 

629

Two-photon pumped up-conversion lasing properties of a series of organic salts with different side-chains ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­ Y. P. TIAN, F. Y. HAO, J. Y. WU, Q. FANG, M. H. JIANG

 

 

631

Spectrophotometric determination of trace chromium (VI) in mass chromium (III) ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­..¡­ Z. G. XU, X. H. WEN, Q. Z. WU

 

635

Theoretical studies on the conformation of mono-6-O-p-nitrobenzoyl-b- cyclodextrin in aqueous solution ¡­¡­¡­¡­¡­¡­¡­¡­¡­.......................................

¡­¡­¡­¡­ Y. FENG, H. M. ZHANG, L. LIU, Y. H. WANG, Z. X. LIANG, Q. X. GUO

 

 

637

Kinetic model of hypophosphite oxidation on a nickel electrode in D2O solution ¡­¡­¡­.¡­..¡­¡­ Y. ZENG, H. X. WANG, S. C. YU, X. D. WU, X. Q. CAO

 

641

Study of the electrical double layer of a spherical micelle: Functional theoretical approach ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.¡­

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.. Z. W. WANG, G. Z. LI, D. R. GUAN, X. Z. YI, A. J. LOU

 

645

Influence of geometric structure of immobilized aluminium chloride catalyst on catalytic property in isobutene polymerization ¡­¡­¡­...¡­¡­¡­..

¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­¡­¡­....¡­¡­. T. X. CAI, M. HE, X. Z. SHI, X. P. WANG

 

 

647

Synthesis, characterization and luminescence of lanthanide chloride complexes with N,N,N¢,N¢-tetra[(2-benzimidazolyl) methyl]-1, 2-ethane-diamine ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­........................ M. J. ZHANG, L. HUANG, X. F. SHI, D. Q. GAO, S. L. LI, G. M. CAI, Y. Y. HUANG, G. Q. YAO, J. LI

 

 

 

651

The nature of bonding in WC and WN ¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­¡­...¡­¡­...

¡­¡­¡­¡­¡­¡­¡­¡­..¡­¡­¡­.. X. M. GAO, S. X. LIU, X. G. XIE, H. CAO, S. S. DAI

 

655

 

 

 

 

       Supported by the National Natural Science Foundation of China