CHINESE CHEMICAL LETTERS 

Vol. 14, No. 5, 2003

CONTENTS

First total synthesis of (¡À)-abieta-8, 11, 13-trien-7¦Â-ol¡­¡­.¡­¡­¡­¡­¡­¡­¡­.

¡­¡­¡­¡­¡­¡­¡­.¡­............ C. L. ZHANG, P. Y. BIE, X. J. PENG, Y. YANG, X. F. PAN

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441

The first total synthesis of (¡À)-3¢, 7-dihydroxy-4¢-methoxyflavan¡­¡­¡­..¡­

¡­¡­¡­¡­.¡­..¡­¡­.¡­¡­¡­¡­.........¡­¡­¡­. J. J. XUE, X. S. ZHANG, X. Z. LIANG, Y. LI

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443

Synthesis of terpyridine derivatives containing b-cyclodextrin¡­¡­¡­¡­¡­...

¡­¡­¡­¡­¡­...¡­¡­...¡­¡­¡­.¡­¡­¡­¡­¡­¡­¡­¡­.................¡­¡­¡­¡­¡­¡­¡­..... X. H. YIN

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445

n-Butyl pyridinium nitrate as a reusable ionic liquid medium for Knoe-venagel condensation¡­¡­¡­¡­¡­¡­¡­¡­..¡­............................ Y. Q. LI, X. M. XU, M. Y. ZHOU

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448

Poly[styrene(iodosodiacetate)]: an efficient reagent for regioselective azido-arylselenylation of olefins¡­.¡­¡­.........¡­Y. C. ZHANG, L. L. WU, X. HUANG

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451

Synthesis and absorption properties of calix[6]amides-based polymers¡­¡­.

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­.¡­...........¡­F. F. YANG, H. Y. GUO, J. R. LIN, Y. Y. CHEN

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453

Solid-phase synthesis of ¦Á-haloaldehydes from polymer-supported 4-(phenylseleno) morpholine¡­.¡­¡­¡­¡­..........¡­...S. R. SHENG, L. L. WU, X. HUANG

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456

A convenient and efficient deallylation procedure¡­ C. B. LI, X. J. JI, S. M. ZHANG,

.............................. M. LU, Z. X. ZHAO, Y. CUI, Y. L. XU, Q. C. YANG, W. Q. ZHANG

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459

Preparation of diphenyl oxalate from transesterification of dimethyl oxalate with phenol over TS-1 catalyst¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.¡­¡­¡­¡­¡­..

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..............¡­... X. B. MA, S. P. WANG, H. L. GUO, G. H. XU

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461

Synthesis of novel carbosilane dendrimers with myo-inositol cores¡­..¡­¡­..

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­¡­¡­.............¡­.¡­Z. J. YU, Q. Z. ZHANG Q. F. ZHOU

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465

New approach to synthesis of 6,7-dimethoxyisatin¡­.¡­¡­¡­¡­¡­¡­¡­¡­¡­..

¡­¡­¡­¡­¡­¡­¡­¡­.¡­¡­¡­¡­¡­¡­¡­¡­¡­.....................H. M. MA, Z. Z. LIU, S. Z. CHEN

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468

Study on reduction of b-aromatic amino substituted triazolyl ketene compounds¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

¡­¡­¡­¡­¡­¡­.............Y. Z. LI, J. R. CHENG, Q. M. WANG, X. Y. GUO, R. Q. HUANG

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471

Cucurbitacin and triterpenoid glycosides from Hemsleya giganthy¡­¡­¡­¡­

¡­¡­..¡­.¡­¡­¡­¡­¡­..¡­¡­¡­¡­............¡­...¡­... Y. CHEN, M. H. CHIU, K. GU, Z. R. LI

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475

Two new eremophilenolides from Cacalia ainsliaeflora¡­¡­¡­¡­¡­¡­¡­¡­¡­

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.............¡­M. J. MAO, C. S. YUAN, C. Z. ZOU, Z. J. JIA

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479

A new xanthanolide from Carpesium longifolium¡­¡­¡­¡­¡­.¡­¡­¡­¡­¡­¡­.

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.............¡­¡­¡­C. YANG, M. C. YE, Z. J. JIA

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483

Two new sesquiterpenes from Inula japonica¡­.¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­

¡­¡­¡­..¡­¡­..¡­..¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.............¡­C. YANG, P. F. WANG, Z. J. JIA

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485

Two new styryllactones from Goniothalamus cheliensis¡­¡­¡­.¡­¡­¡­¡­¡­..

¡­¡­¡­.¡­¡­¡­¡­¡­¡­........ S. WANG, S. J. DAI, R. Y. CHEN, S. S. YU, D. Q. YU

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487

Anti-diabetes agents---I: tetralone derivative from Juglans regia.¡­¡­¡­¡­..

¡­..¡­¡­¡­¡­¡­¡­............ T. Y. AN, L. H. HU, R. M. CHEN, Z. L. CHEN, J. LI, Q. SHEN

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489

Two new spirostanol steroidal sapogenins from fermented leaves of Agave americana¡­¡­¡­...¡­¡­¡­¡­¡­¡­¡­¡­...¡­¡­.¡­... J. M. JIN, C. R. YANG

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491

Intramolecular charge transfer dual fluorescence pH sensing using p-dibutylaminobenzoic acid-b-cyclodextrin inclusion complex¡­¡­¡­¡­.¡­¡­..

¡­¡­¡­¡­..¡­¡­¡­¡­¡­¡­............. L. R. LIN, Z. LI, W. L. YANG, H. CHEN, Y. B. JIANG

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495

MS/MS study of deoxydinucleotides bound with alkali-metal ions using ESI-MS¡­¡­¡­¡­¡­..¡­¡­¡­................ Z. ABLIZ, M. TAKAYAMA, Y. XIANG, L. J. LI

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499

Characterizing long-range correlation properties in nucleotide sequences

¡­¡­¡­¡­¡­¡­¡­¡­.¡­¡­¡­.............¡­¡­..... X. Y. CHEN, L. J. BAO, J. Y. MO, Y. WANG

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503

Study on the bleaching mechanism of indigo-carmine catalyzed by laccase using EFA and MCR-ALS methods¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­....

¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­¡­.............¡­H. LI, F. ZHANG, W. KESSLER, R. W. KESSLER

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505

Synthesis and characterization of charge-transfer complexes of aminoethyl-phosphono- and dimethylaminoethylphosphono-heteropolytungstic acids of Keggin type structure¡­¡­.¡­¡­.¡­¡­...¡­...¡­....¡­¡­¡­. X. K. FU, Y. GONG

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509

Hybrid self-assembled multilayer films formed by alternating layers of Keggin polyoxometalates and 1, 10¨CDAD¡­¡­..¡­.............................. L. H. GAO, K. Z. WANG

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513

Organophosphonotungstic HPA of Keggin type with sulfo, taurine and glycine substituted ethylphosphonic acids as the coordinate center¡­¡­

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.¡­¡­..........¡­X. K. FU, J. R. CHEN, L. Q. LI, Q. WANG, Y. SUI

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515

Synthesis, X-ray structure and characterization of a triruthenium cluster complex Ru§ê3(µ3-O)(µ-CH3COO)6(py)2Cl with four steps one-electron redox processes..¡­¡­¡­¡­¡­¡­¡­¡­.......................¡­¡­... J. L. CHEN, G. Q. YIN, Z. N. CHEN

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519

Preparation and characterization of new type ionic liquids¡­..¡­¡­¡­¡­¡­...

¡­¡­¡­¡­¡­¡­¡­..¡­.................... Q. H. CAI, Y. K. SHAN, L. Y. DAI, B. X. SU, M. Y. HE

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523

One- and two-photon excited fluorescence of zinc(II), cadmium(II) complexes containing phenothiazine ligand¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...

¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­¡­¡­........... Z. M. XUE, Y. P. TIAN, D. WANG, M. H. JIANG

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525

8-Hydroxyguanine, a product from damaged DNA can be used in the DNA salvage pathways¡­¡­¡­¡­¡­¡­...¡­........................¡­.. H. H. ZENG, J. Y. CHOI, M. H. CHUNG

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529

High selective hydrogenation of acetophenone catalyzed by alumina supported platinum nanoclusters..¡­¡­.¡­¡­.¡­..¡­¡­¡­¡­¡­¡­.¡­¡­¡­¡­¡­.

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..........¡­. Q. ZHANG, H. X. MA, H. CHEN, J. Y. HU, X. J. LI

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533

Fluoroscence phenomena - new properties of hexakis (4-aminophenoxy) cyclotriphosphazene¡­¡­.¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

....X. W. WU, D. X. CAO, Z. Q. LIU, X. F. CHENG, C. S. FANG, M. WANG, Z. WANG

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535

Enhanced photocatalytic efficiency of TiO2 by combining the modification of Ag nanoparticles with the application of anodic bias¡­¡­¡­¡­¡­¡­¡­¡­...

¡­¡­¡­¡­¡­¡­¡­¡­¡­.¡­¡­¡­¡­¡­¡­¡­............... C. HE, Y. XIONG, D. SHU, X. H. ZHU

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539

Multifractal analysis of morphology of TiO2 nano-films¡­...¡­¡­¡­¡­¡­¡­...

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­¡­¡­¡­¡­¡­¡­................¡­¡­¡­¡­¡­.¡­Z. F. SUN, Y. G. LI

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543

Single & two-photon excited fluorescence of two new compounds with 2-benzothiazolyl as electron acceptor¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­..

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­...........D. X. CAO, Q. FANG, D. WANG, Z. Q. LIU

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547