CHINESE CHEMICAL LETTERS

Vol. 13, No. 1, 2002

CONTENTS

Microwave-activated coupling reaction on polyethylene glycol …………..

…..…..…………..……………………………..………..…… M. XIA, Y. G. WANG

1

The rapid synthesis of Schiff-base without solvent under microwave irradiation …………...……..………....… H. J. YANG, W. H. SUN, Z. L. LI, Z. MA

3

Fries rearrangement of phenyl acetate over solid acid catalyst ………….

…………..…..…...…....…C. X. GUO, Y. LIU, F. LI, P. SUN, D. G. EVANS, X. DUAN

7

Zn/ZrCl₄ systeminduced reductive cleavage of Se-Se bond in diaryl diselenides: a novel method for the systhesis of selenoesters ……….……..

…………………………….…......... S. L. ZHANG, F. S. TIAN, G. A. LI, Y. L. WANG

9

Synthesis of tetracycline analogues and test of their affinity on synthetic hydroxyapatite ….………………….…..….......… L. L. WENG, G. LIN, H. ZHENG

13

Design and synthesis of muramyl dipeptide cyclic analogue ………………...

……………………………………….......… S.D. ZHANG, G. LIU, S. Q. XIA, P. WU

17

Studies on agarofurans VIII.  Synthesis of the  metabolites of 4-butyl-a-agarofuran……..………… C. LI, W. Y. ZHANG, J, Y, GUO, X. T. LIANG

19

Synthesis of alkylene-linked dimers of (-)-huperzine A ……………..….………….

………………………………..…….... G. Y. JIN, X. C. HE, H. Y. ZHANG, D. L. BAI

23

Synthesis and adsorption property of dihydroxyl azacrown ether-grafted chitosan ……...…………………….……....... Z. K. YANG, L. ZHUANG, Y. YUAN

27

Synthesis of polyphosphonates containing 5-flouro-N¹-furanyl-N³- glyceroalkyl-uracil and formyl groups ….......…L. BAI, R. Y. CHEN, Y. Y. ZHU

29

Poly (L-lactide)-poly (ethylene glycol) multiblock copolymers: Synthesis and properties……………..….....….….W. J. LUO, S. M. LI, J. Z. BEI, S. G. WANG

33

Synthesis and crystal structure of a novel calix[8]arene ester derivative …..

………....D. Q. YUAN, W. X. ZHU, R. J. WANG, M. X. ZHAO, X. YAN, Q. Y. ZHENG

37

Quantitative structure-activity relationships in the lithium and sodium affinities of n-alkyl fluorides ….....…K. C. ZHANG, J. M. FAN, L. LIU, Q, X. GUO

41

Theoretical investigation on structures and second-order nonlinear optical properties of (thiophene) manganese tricarbonyl cations ………………..…..

……..……………….......………...……… Y. LIU, Y. H. GENG, Y. J. LIU, C. B. LIU

45

Interlayer energy transfer from naphthalene to anthracene chromophores organized in Langmuir-Blodgett films ………….…………………………….

……….…..... L. Q. LI, L. P. ZHANG, L. Z. WU, B. J. WANG, C. H. TUNG, C. M. CHE

49

Photoinduced electron transfer (PET) between C₆₀ and amines in micelle solution — a kinetic ESR study ….. J. SUN, Y. LIU, D. W. CHEN, Q. Y. ZHANG

53

Fixed-node quantum Monte Carlo: A novel approach ………………….…..

……………………………………………………........ H. X. HUANG, Z. H. ZHAO

55

A new flavonol oligosaccharide from the seeds of Aesculus chinensis……...

……………………………………………...… F. WEI, L. Y. MA, Y. LIU, R. C. LIN

Two phenanthroindolizidine alkaloids from Tylophora atrofolliculata …..…

…………………………………………......… X. S. HUANG, S. S. YU, X. T. LIANG

59

61

A new lupane from the resin of Boswellia carterii……....… J. Y. ZHOU, R. CUI

65

A new macrocyclic trichochecene from soil fungus …………….…………….

……………...…….......… T. WANG, Y. ZHANG, Y. H. PEI, H. M. HUA, B. M. FENG

67

A new voltammetric enzyme immunoassay system for the detection of alkaline phosphatase……………..……...…….… K. JIAO, W. SUN, H. Y. WANG

69

Spectrophotometric study on the interaction between arsenazo M and proteins ……………………………..…………… Q. L. HU, F. L. ZHAO, K. A. L I

71

A new method to resolve overlapped voltammetric peaks ……………...……

……………………………..…….... Y. Q. ZHANG, D. N. LIAO, J. Y. MO, P. X. CAI

73

Preliminary study on pyrolysis of polymethylsilsesquioxane by FT-IR and XPS ……………………………...…………… J. MA, Q. Y. FENG, L. H. SHI, J. XU

75

Modification of carbon nanotube powder microelectrode and nitrite reduction ………………………..……………..……………… P. F. LIU, J. F. HU

79

Determination of partial molar volumes of EPA and DHA ethyl esters in supercritical carbon dioxide ……………………………………………..…….

……………..……....... M. HUANG, X. D. WANG, R. T. XIONG, P. D. WU, Q. L. REN

83

Study on the phase behavior of supercritical CO₂ /Dynol-604/water system and solubilization of methyl orange in the microemulsions ……………….

……………………..…..... J. C. LIU, J. L. ZHANG, B. X. HAN, G. Z. LI, G. Y. YANG

87

The microwave direct heating of zeolite FAU in an open system ………..…..

…………………………………...….. J. X. DONG, L. L. XIE, H. XU, F. WU, J. HAO

91