CHINESE CHEMICAL LETTERS 

Vol. 10, No. 8, 1999

CONTENTS

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A novel photoproduct of 2-methoxycytosine in phosphate solution under far UV irradiation…...……………..……….............…..F. LIN, J. L. WU, X. W. FAN

 

 

623

A new rearrangement reaction of 2-phenyl substituted benzothiazepine with ethoxycarbonyl carbene ¾ mechanism of the reaction and structure of the product……………....…H. Z. WANG, D. YAO, R. X. LAN, J. X. XU, S. JIN

 

 

 

625

High diastereoselectivity in the conjugate addition of functionalized alcohols to a chiral (E)-nitroalkene…...Q. CHENG, T. ORITANI, A. HASSNER

 

 

629

Reduction of o- and p-bromomethylbenzylidenemalononitrile by
1-benzyl-1,4-dihydronicotinamide
……….…………………………………...

………………………………...…H. Y. WANG, Y. C. LIU, J. Z. CHEN, Q. X. GUO

 

 

 

633

Ring enlargement of alkaloids………..……..Y. X. LIU, S. F. CHEN, X. T. LIANG

 

637

Synthesis of a-selenoesters and a-thiolesters via Sm/Sbcl3 system in aqueous media………………………………………......G. L. LU, Y. M. ZHANG

 

 

641

A convenient synthesis of pyrazolylpyrazoles using a-oxo ketene S,S- and N,S-acetals………...…………………...….....H. S. CHEN, Z. M. LI, Z. W. WANG

 

 

643

A new synthetic route to 5-isoxazolamines…….………..…G. LIU, Z. Q. WANG

 

647

Synthesis of 2S-hydroxymethyl-3R, 4R-dihydroxypyrrolidine.…….….……...

……………………………....…...Z. CHEN, R. Y. WANG, L. L. ZHU, X. T. LIANG

 

 

651

Total synthesis of (±)-cordatolide A and its anti-HIV activity……..…..……..

……………………………………………...…...Q. GAO, L. WANG, X. T. LIANG

 

 

653

Study on the total synthesis of hainanolide (V)—oxidation of the tricyclic alkenes with singlet oxygen…………………………………………………...

……………………………….....X. M. YU, L. Y. ZHANG, S. Z. CHEN, L. HUANG

 

 

 

657

Synthesis of new near-infrared fluorescent dyes……………………………...

………………………………………...……..J. LONG, Y. M. WANG, J. B. MENG

 

 

659

Synthesis of O-glycosides of heteroatom aroyl-substituted heterocyclic ketene aminals……………………………..…..Q. YANG, Z. J. LI, Z. T. HUANG

 

 

661

Synthesis of arsamacrocyclic polyethers…..…X. Y. CHEN, G. F. YU, W. T. TAO

 

665

Structural design and property characterization of bi-functional photorefractive polymer…………..……...……………………………………

……………....………Y. W. CHEN, Y. K. HE, H. Y. CHEN, F. WANG, Q. H. GONG

 

 

 

667

A new azafluorenone alkaloid from Alphonsea monogyma………………..…...

……………………………………………………...………..N. XIE, N. Y. YANG

 

 

671

A new kaurane derivative from Aralia fargesii…………………………..……

…………………………………...…………Y. M. ZHANG, J. S. YANG, X. D. XU

 

 

673

A new oxoaporphine alkaloid from Alphonsea mollis dun……………………

……………………………………....……………N. XIE, Z. H. CHENG, X. G. YU

 

 

675

Studies on the coordination of pr(III) with adrenaline by potentiometry and absorption spectroscopy………………….……………………………..…….

…………....F. GAO, J. F. HAN, Z. J. WU, Y. WANG, K. Y. YANG, C. J. NIU, J. Z. NI

 

 

 

677

Synthesis of pyrazolines used as blue organic electroluminescence materials……………...…………...…Z. Y. LU, W. G. ZHU, Q. JIANG, M. G. XIE

 

 

679

Synthesis and fluorescence property of a new subphthalocyanine…………..

………………….......X. B. WANG, D. H. TANG, Z. ZHEN, J. C. ZHANG, X. H. LIU

 

 

683

Bis-radicals (nitronyl nitroxide and imino nitroxide) substituted benzene with long alkyl chain: synthesis, magnetic study and formation of LB film……………………………….…...D. Q. ZHANG, L. DING, Y. XU, D. B. ZHU

 

 

 

685

Study on the tautomerism of an indoline spiropyran in compressed CO2 and ethanol mixture………………..........….……………………………………….

…………………..…....X. F. ZHANG, Q. SUI, B. X. HAN, H. K. YAN, Y. Q. WANG

 

 

 

689

The effect of rare earth on the activity of methanol synthesis catalyst………………...…………H. T. MA, G. C. DENG, X. Z. GUO, R. T. CHEN

 

 

691

Novel photochromic compounds responding to InGaN diode laser; synthesis and photochromic behavior of dibenzothiophenylcycloalkenes...

……………………....….P. FAN, Z. N. HUANG, J. B. XIA, Y. F. MING, M. G. FAN

 

 

 

693

Synthesis, structure and magnetochemistry of a new hexanuclear manganese oxide complex of the formula [Mn6O2 (O2CPh)10 (CH3CN)4]………………...........................J. AN, Z. D. CHEN, J. BIAN, S. X. WANG, G. X. XU

 

 

 

697

Catalytic hydrogenation of diacetyl monoxime to tetramethyl- pyrazine with the soluble transition metal catalysts…………………………………..

…………………………………...………X. Y. WANG, X. M. ZHENG, Z. Y. HOU

 

 

 

701

Synthesis, structure of organophosphonyl polyoxotungstates of formula [C6H11P (O) ]2 Xn+ W11 O39 (8-n) - (Xn+=P5+, Si4+, B3+, Ga3+)………………..

………………………...…...Z. G. SUN, J. F. LIU, X. H. WANG, S. M. YUE, J. X. LI

 

 

 

705

Synthesis and structures of new borophosphates (B1-xMx)PO4 (M=Mn,Fe,Co,Ni,Cu) with orthorhombic low-cristobalite type..…....……

……………………....J. X. MI, S. Y. MAO, Z. H. CHEN, Z. L. HUANG, J. T. ZHAO

 

 

 

707

Preparation of the phosphors BaAl2O4:Eu, RE (RE=Dy, Ho) by microwave heating technique and observation of long phosphorescence………………

………………………......Y. L. LIU, X. M. TANG, X. D. CHEN, B. F. LEI, D. X. FENG

 

 

 

709

The effect of Al3+, Na+, NH4+ on Ti Content in the Preparation of Ti-ZSM-5.

..……………………………...……...…C. H. XU, S. J. LU, G. Y. DENG, F. L. QIU

 

 

713

   
Supported by the National Natural Science Foundation of China