Michael additiion of alkyl amine to α,β-unsaturated carbonyl compounds           catalyzed by KF/Al₂O₃............ D. B. TIAN, J. ZHU, J. F. ZHU,Y. X. SHI, J. T. WANG

883

Design, synthesis, and hypnotic activity of pyrazolo[1,5-a]pyrimidine deri-vatives...................................................S. Q. WANG, L. FANG, X. J. LIU, K. ZHAO

885

A novel synthesis of N-methyl-N-aryl carbamates from aromatic amines and dimethyl carbonate catalyzed by K₂CO₃/Bu₄NBr...........................................................

........................................................................................................Z. L. SHEN, X. Z. JIANG

889

Synthesis of hymecromone derivatives containing chiral 1,1¢-bi-2-naphthyl moiety for dual-mode molecular switch.................................................Z. X. SHAN, C. G. XIAO

892

A new synthetic route for preparation of 2-chloro-6-fluorobenzonitrile and 2-chloro-6-fluorobenzoic acid................................................................................................

....................................X. Y. LI, Q. ZHENG, P. YU, C. HUANG, J. L. DUAN, J. Q. PENG

895

The effect of 19-substituent on the stereospecific hydroxylation of D⁵-stero-ids using performic acid as oxidant........................ W. G. LU, J. Y. SU, L. M. ZENG, H. LI

899

A novel and efficient catalytic system for aerobic oxidative coupling of 2-naphthol derivatives................................... L. CHEN, J. B. LAN, Z. H. MAO, X. Q. YU, R. G. XIE

903

Synthesis of a photolabeling probe for the study of antiviral mechanism of ribavirin ............................................Q. Y. WU, X. ZHU, J. Q. WAN, F. Q. QU, L. PENG

907

An efficient and mild preparation of vinyl diazo carbonyl compounds..........................

.............................................................................................W. F. SHI, M. MA, J. B. WANG

911

Octopus manganese porphyrin with polyglycol chains as a catalyst for the β-selective epoxidation of cholesterol derivatives.............................................................

...............................................................R. H. LI, Y. C. ZHAO, J. WU, J. S. YOU, X. Q. YU

915

A new labdane diterpenoid from the bark of Larix olgensis Henry var. kor-eana nakai............... B. H. YANG, W. D. ZHANG, Z. B. GU, T. Z. LI, C. ZHANG, Y. ZHOU

919

Neo-lignans in the seed crusts of Trewia nudiflora ............P. J. ZHAO, Y. M. SHEN

921

A new dihydroflavone glycoside from Glycyrrhiza uralensis.........................................

..........................................................................................H. X. LIU, W. H. LIN, J. S. YANG

925

MALDI-TOF mass spectrometry study of the phosphorylated tau peptides................

................................................................................................................................... J. T. DU,

 Y. M. LI, Y. F. ZHAO, M. NAKAGAWA, X. R. QIN, T. NEMOTO, H. NAKANISHI

927

New phase transfer agent for dye: application for hyperbranched poly (ester-

amine)............................................................ T. QIU, L. M. TANG, X. L. TUO, D. S. LIU

931

A new method of separation of four benzodiazepines by RP-CEC.................................

.....................................................................................................J. L. ZHANG, T. H. ZHOU

935

Study of immunoassay methods for recombinant human erythropoietin (rhEPO) using competitive ELISA............................................... J. YAN, J. B. MI, W. B. CHANG

939

Production of polyclonal antibody of morphine and determination of mor-phine in urine by capillary electrophoresis immunoassay with laser-induced fluorescence detection.............................................. J. Q. MI, X. H. QI, X. X. ZHANG, W. B. CHANG

943

Separation of aniline derivatives by micellar electrokinetic capillary chromato-

graphy....................................................................................................... J. LI, Z. B. YUAN

947

A new benzofuran derivative from the bark of mulberry tree........................................

................................................................S. J. DAI, Z. B. MA, S. LI, R. Y. CHEN, D. Q. YU

951

Synthesis and anion recognition of a novel heterocyclic organotin complex

.............................................................................................L. X. ZHANG, G. Z. LI, Z. Q. LI

954

The research on the stability of TiO₂, MoO₃, PEO doped four-member tungstic acid sols.................................................................................K. RAO, X. K. FU, X. P. RAO

957

Comparative study on the inclusion interaction between meso-tetrakis(4-N-

ethylpyridiniurmyl) porphyrin and b-cyclodextrin derivatives......................................

..............................................................X. L. GUO, S. M. SHUANG, J. B. CHAO, D. X. LI

961

Synthesis of two novel rhenium(I) bipyridyl photosensitive dyes..................................

......................................S. G. SUN, X. J. PENG, M. W. FAN, Y. Q. XU, L. SHI, L. C. SUN

965

A convenient synthesis and properties of Ru(bpy)₂[bpy(CO₂H)- (CO₂Et)] (PF₆)₂ photosensitive dye...................................................................................................................

............................................S. G. SUN, X. J. PENG, Y. Q. XU, L. SHI, Z. GUO, L. C. SUN

969

Synthesis of three novel chiral binuclear Mn(Ⅲ)-Schiff-base complexes and the application in asymmetric epoxidation of trans-stilbene.................................................

..............................................................................Y. SUN, N. TANG, X. W. LIU, W. S. LIU

973

Effect of different dopant in the Mo-V-Te-O catalyst on the performance of selective oxidation propane to acrolein................ H. C. JIANG, W. M. LU, H. L. WAN

977

Identification of different cobalt nucleation on glassy carbon.......................................

.................................................M. GU, F. Z. YANG, L. HUANG, S. B. YAO, S. M.ZHOU

981

The new-generation of green surfactant (alkylpolyglucoside) as an inhibitor to the corrosion of 907 steel in seawater......................................................................................

.........................................................................M. DU, R. J. GAO, P. GONG, Q. Z. WANG

985

The adsorption of NO_x on magnesium aluminium hydrotalcite....................................

............................................................................Z. M. NI, W. H.YU, S. F. ZHAO, Z. H. GE

989

A novel approach for the surface modification of polymeric membrane with phospholipid polymer.............................................................Q. W. DAI, Z. K. XU, J. WU

993

DNA nano-netting intertexture on carbon electrodes.....................................................

...........................................................................................X. Q. LIN, X. H. JIANG, L. P. LU

997

A novel method for preparing polyurethane based conductive composites with low percolation threshold.............................................................................................................

......................................J. W. HU_, M. W. LI, M. Q. ZHANG, G. S. CHENG, M. Z. RONG

1001

Preparation of silver nanoshells on silica particles by a simple two-step process....

..................................................................Y. ZHANG, M. MA, N. GU, L. XU, K. J. CHEN

1005