CHINESE CHEMICAL LETTERS 

Vol. 13, No. 5, 2002

CONTENTS

Michael addition reaction without catalyst: The synthesis of 2-amino-5, 6, 7, 8-tetrahydro-5-oxo-4-aryl-7, 7-dimethyl- 4H-benzo-[b]-pyran derivati-

ves¡­¡­¡­¡­¡­¡­.¡­..¡­¡­.¡­....¡­...S. J. TU, X. H. LIU, H. J. MA, D. Q. SHI, F. LIU

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393

Samarium(II) diiodide induced polarity inversion of p-allyl palladium complexes: The formation of allylic selenides¡­¡­¡­¡­.¡­¡­¡­¡­..¡­..¡­.¡­..

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.....¡­¡­ X. J. ZHAO, H. R. ZHAO, X. HUANG

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396

Investigation of isomerization of 2-seleno-1, 3, 2-diazaphospholidine deri-vatives¡­¡­.......................................¡­..¡­...S. L. DENG, R. Y. CHEN, D.Z. LIU

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398

A new synthetic method for N-substituted selenoamides¡­....¡­... H. R. ZHAO

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402

Cobalt (I) catalyzed reaction of benzaldehydes with functionalized benzylic zinc halides¡­¡­.¡­¡­...¡­¡­¡­¡­¡­...¡­¡­..¡­.¡­¡­J. X. WANG, Y. FU, Y. L. HU

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405

A facile synthesis of benzoxazolyl cyclopropanes¡­¡­¡­¡­¡­¡­¡­¡­..¡­..¡­..

 ¡­¡­¡­¡­¡­¡­...¡­¡­¡­¡­....¡­¡­J. G. SHAO, P. Y. WANG, M. ZHENG, Q. ZHONG

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407

A convenient method of polyfluoroalkyl-lactonization¡­¡­..¡­¡­.¡­.¡­.¡­¡­

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.......... X. W.ZOU, F. H. WU

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410

Synthesis of 3, 7-disubstituted 1, 4-benzodiazepin-2-one¡­¡­¡­¡­..¡­¡­¡­¡­

¡­¡­¡­¡­¡­..¡­.¡­¡­¡­¡­¡­¡­¡­¡­.¡­¡­¡­¡­¡­¡­¡­¡­.........¡­.S. B. WAN, Z. R. GUO

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412

Enzymatic regioselective synthesis of vinyl lactose ester and its chemical polymerization¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.¡­¡­¡­.¡­

¡­¡­...¡­¡­¡­¡­¡­¡­¡­¡­......¡­Q. WU, J. Y. FENG, C. G. FENG, D. S. LU, X. F. LIN

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416

Dendritic macroinitiator for the ring-opening polymerization of  ¦Ã-benzyl L-glutamate N-carboxyanhydride¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­¡­¡­¡­¡­¡­¡­¡­..Y. L. ZHAO, C. F. CHEN, F. XI

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420

Novel bipolar conjugated polymer containing both triphenylamine and oxadizole units¡­¡­¡­¡­¡­..¡­¡­.¡­¡­¡­..¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­

¡­¡­¡­¡­¡­¡­¡­¡­.¡­....... G. WANG, Z. LIU, L. X. WANG, X. B. JING, F. S. WANG

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422

A new benzylisoquinoline alkaloid from Sabia parviflora¡­..¡­¡­.¡­¡­¡­¡­

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­......¡­..¡­ J. CHEN, B. CHEN, J. TIAN, F. E. WU

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426

A minor new flavone from Scutellaria baicalensis Georgi¡­¡­¡­¡­¡­...¡­¡­.

¡­..¡­¡­¡­¡­¡­¡­¡­..¡­ H. Y. WANG, S. X. XU, Y. J. CHEN, J.T. F. WONG, H. XUE

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428

A new monoterpene glycoside from Paeonia veitchii¡­¡­¡­¡­¡­¡­.¡­.¡­.¡­.

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.....¡­ S. H. WU, X. D. LUO, Y. B. MA, X. J. HAO, D. G. WU

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430

Two new acyclic diterpene-g-lactones from the leaves of Salix matsudana¡­¡­¡­..¡­......¡­J. X. WANG, S. Z. ZHENG, T. SHEN, X. W. SHEN, Y. LI

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432

Ni2+-PAA adsorbent for purifying 6His-OmpTS recombinant protein¡­¡­...

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­....... Q. B. ZENG, Q. Z. YE, J. R. XU, R. W. FU

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436

Determination of roxithromycin tablets by capillary electrophoresis employing non-aqueous media with square-wave amperometric detection

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.¡­¡­¡­¡­...¡­¡­N. LI, T. Y. XIE, J. Y. MO

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440

The standard association constant of ion pair [GaCl]2+in the system of  HCl+GaCl3+H2O¡­¡­.¡­¡­¡­¡­¡­..¡­......¡­¡­. J. Z. YANG, R. B. ZHANG

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442

Fine structure of hydrogen bonds in cholic acid revealed by 2DIR spectroscopy¡­¡­..¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.¡­¡­¡­¡­..¡­¡­¡­¡­¡­

¡­....... B. G. HUANG, Y. Z. XU, S. F. WENG, W. X. SUN, J. G. WU, D. F. XU, G. X. XU

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444

Dynamic behavior and mass transport in polyacrylic acid gel by dynamic light scattering¡­¡­¡­¡­¡­¡­..¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­¡­¡­¡­...¡­¡­...¡­

....J. ZUO, J. F. HUANG, Y. L. AN, F. X. LI, C. Y. ZHU, L. LIU, Z. G. ZHANG, B. L. HE

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448

Two-photon up-conversion luminescent properties of HMASPS and HEASPS in three different polymer matrices¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­¡­¡­.

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­....¡­¡­..Y. REN, X. Q. YU, D. WANG, G. Y. ZHOU,

.................... Z. Q. LIU, Y. F. ZHOU, X. ZHAO, Z. S. SHAO, J. Y. WANG, M. H. JIANG

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452

Effect of thermal history on rheological properties of partially hydrolyzed polyacrylamide/anionic surfactant SDS complex systems¡­¡­¡­¡­¡­¡­¡­¡­

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­¡­¡­..¡­¡­. H. T. BU, Z. Z. YANG, L. HUANG

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456

Preparation and photochromic behavior of novel hybrid inorganic-organic thin film¡­¡­¡­¡­...W. FENG, T. R. ZHANG, Y. LIU, R. LU, Y. Y. ZHAO, J. N. YAO

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460

A transparent thin film with hexagonal mesostructure containing rhodamine 6G¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

¡­¡­¡­¡­¡­¡­¡­..¡­..... Y. F. YAO, M. S. ZHANG, Y. S. YANG, Q. SU, H. J. ZAHNG

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464

Polyether-phosphinite for one-phase catalysis coupled with two-phase separation¡­¡­¡­¡­¡­¡­¡­¡­..¡­...¡­.Y. H. WANG, X. Z. LIU, C. Y. JIA, Z. L. JIN

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468

Performance of Pt-TiO2 electrocatalyst for CO oxidation in the electrochemical gas sensor¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.¡­¡­..¡­¡­¡­¡­...¡­.

¡­¡­¡­¡­¡­¡­....... C. B. YU, H. YANG, T. H. LU, Y. J. WANG, K. F. HUA, W. XING

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472

Synthesis of a chain aluminophosphate containing racemic 1, 2-diamino-

propane¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­¡­.

¡­¡­..¡­¡­¡­¡­¡­...¡­.... W. CHEN, Y. S. JIANG, H. HUO, H. M. YUAN, J. S. CHEN

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474

Preparation of Pt/C catalyst with solid phase reaction method¡­¡­¡­...¡­¡­

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­...... Y. W. TANG, H. YANG, W. XING, T. H. LU

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478

Simultaneous removal of surfactant template from MCM-41 and implantation of transition metal complexes into mesopores with supercritical fluid¡­¡­¡­¡­¡­¡­¡­¡­..¡­..¡­¡­...X. B. LU, W. H. ZHANG, R. HE

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480

Atomic force microscopy studies on the chemical treatment of nanocrystalline porous TiO2 films¡­¡­¡­¡­¡­¡­...¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­

¡­¡­¡­¡­....¡­ Y. LIN, F. Z. JIANG, J. B. ZHANG, Y. L. SONG, L. JIANG, X. R. XIAO

 

 

484