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STUDIES ON THE PRENYLFLAVONOIDS PART X IX SYNTHESIS OF EXIGUAFLAVANONE K

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Chinese chemical Letters 1996年第1期7卷 11-12页

作者： Xian Yong BU li XIAO and Yu lin li(state key laboratory of applied organic chemistry and institute of organic chemistry, lanzhou university lanzhou, 730000) state key Lab. of Appl. Organ Institide Organic Chemistry Lanzhou University Lanzhou 730000

K was first synthesized via the Condensation of 2-hydroxy-3-prenyl-4, 6-dimethoxymethoxyacetophenone 3- methoxy-4methoxymethoxybenzaldehyde followed by cyclixation

关键词： IX STUDIES ON THE PRENYLFLAVONOIDS PART X IX SYNTHESIS OF EXIGUAFLAVANONE K

SYNTHESIS OF (±)-FARNESYL FLAVANONE AND FARNESYL ACETOPHENONE

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Chinese chemical Letters 1996年第8期7卷 701-702页

作者： Chu Sheng HUANG Xiu Ying li Ying li Yu lin li(state key laboratory of applied organic chemistry and institute of organic chemistry,lanzhou university, lanzhou 730000) state key Lab. of Appl. Organ. Chem. Institute of Organic Chemistry Lanzhou University Lanzhou 730000

Three new natural compounds, 6-famesy1-3,4,5, 7-tetrahydroxyflavanone (1), 3 famesy1 -2, 4. 6-trihydroxyacetophenone (2) and 4-famesyloxy-2, 6-dihydroxyacetophenone (3) weresynthesized by starting from 2, 4, 6-trihydr...

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NEW SESQUITERPENE FROM liGULARIA SAGITTA

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Chinese chemical Letters 1995年第10期6卷 875-876页

作者： li yang Hai Ruo PENG Zhong Jinng JIA(institute of organic chemistry, state key laboratory of applied organic chemistry,lanzhou university, lanzhou,730000)(Author to whom correspondence should be addressed.) lanzhou Univ Inst Organ Chem State Key Lab Appl Organ Chem Lanzhou 730000 Peoples R China

A new eremophilane acid was isolated in the phytochemical investigation of the roots of ligularia. sagitta. Its structure and stereochemistry were elucidated by ID NMR and 2D NMR techniques including H-1-H-1 COSY, C-1...

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FIRST SYNTHESIS OF(±)-3-[(5-HYDROXY)HOMOGERANYL]-△~2-BUTENOliDE

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Chinese chemical Letters 1996年第4期7卷 303-304页

作者： Jin QU Wei Dong li Jing li Yu lin li(state key laboratory of applied organic chemistry and institute of organic chemistry, lanzhou university, lanzhou 730000) state key Lab. of Appl. Organ. Chem. Institute of Organic Chemistry Lanzhou University Lanzhou 730000

A new farnesane-based sesquiterpene lactone, 3- [(5-hydroxy) homogeranyl]-△2-butenolide, was synthesized for the first time starting from trans, trans-farnesol through five steps in an overall yield of 6. 4 % as its ... 详细信息

关键词： FIRST BUTENOliDE

Syntheses of Clusters Containing C2M2（M=Co,Mo）Cores and Crystal Structure of 〔dpp〕〔Mo2Cp2（CO）4〕·CH2Cl2

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Chinese Journal of Structural chemistry 1999年第4期18卷 35-40页

作者： CHEN XueNian ZHANG Jie YIN YuanQi (state key laboratory for Oxo Synthesis and Selective Oxidation,lanzhou institute of chemical physics, the Chinese Academy of Sciences, lanzhou 730000)ZSUN Jie (Shanghai institute of organic chemistry, the Chinese Acad state key Lab. Oxo Synthesis S. Lanzhou Inst. of Chemical Physics Chinese Academy of Sciences Lanzhou 730000 China Shanghai Inst. of organic chemistry Chinese Academy of Sciences Shanghai 200032 China

１ＩＮＴＲＯＤＵＣＴＩＯＮＴｈｅｅｘｔｅｎｓｉｖｅａｎｄｒａｐｉｄｄｅｖｅｌｏｐｍｅｎｔｏｆｔｈｅｃｈｅｍｉｓｔｒｙｏｆｄｉｎｕｃｌｅａｒｔｒａｎｓｉｔｉｏｎｍｅｔａｌｃｏｍｐｌｅｘｅｓｂｒｉｄｇｅｄｂｙｕｎｓａｔｕ... 详细信息

１ＩＮＴＲＯＤＵＣＴＩＯＮＴｈｅｅｘｔｅｎｓｉｖｅａｎｄｒａｐｉｄｄｅｖｅｌｏｐｍｅｎｔｏｆｔｈｅｃｈｅｍｉｓｔｒｙｏｆｄｉｎｕｃｌｅａｒｔｒａｎｓｉｔｉｏｎｍｅｔａｌｃｏｍｐｌｅｘｅｓｂｒｉｄｇｅｄｂｙｕｎｓａｔｕｒａｔｅｄｈｙｄｒｏｃａｒｂｏｎｓ...

关键词： cobalt molybdenum diyne compounds crystal structure cluster

A NOVEL SESQUITERPENE FROM CREMANTHODIUM ELliSII KITAM

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Chinese chemical Letters 1994年第7期5卷 591-592页

作者： Hao CHEN li yang and Zhong Jian JLA(institute of organic chemistry, state key laboratory of applied organic chemistry at lanzhou university. lanzhou 730000)

A novel sesquiterpene (1) was isolated from Cremanthodium ellisii Kitam. The structure was elucidated by spectroscopic methods and 2D-NMR techniques.

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THE SYNTHETIC ATTEMPT OF(±)-MALABARIC ACID AND(±)-ANISOMELOL——SYNTHE S IS OF PRECURSORS FOR(+)-MALABARIC ACID AND(±)-ANIOSMELOL

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Chinese chemical Letters 1992年第1期3卷 15-18页

作者： Ying li Wei Dong li Yu lin li state key laboratory of applied organic chemistry and institute of organic chemistry,lanzhou university,lanzhou 730000

The precursors I(R′=CH_2OTHP,or CO_2Et)for(±)-Malabaric acid(1)and(±)- Anisomelol(2)were synthesized from geraniol 3 and homogeranyl iodide 5(2,6-dimetyl-9-iodo-2,6E- nonadiene)via Wadsworth-Emmons condensation and... 详细信息

关键词： ACID ppm ANIOSMELOL ANISOMELOL MALABARIC ACID AND SYNTHE S IS OF PRECURSORS FOR THE SYNTHETIC ATTEMPT OF

SINAPYL ALCOHOL DERIVATIVES AND OTHER CONSTITUENTS FROM THE ROOTS OF liGULARIA NELUMBIFOliA

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Chinese chemical Letters 1993年第10期4卷 895-898页

作者： Yu ZHAO Zhong Jian JIA li yang Jin Gang WANG state key laboratory of applied organic chemistry,institute of organic chemistry at lanzhou university,lanzhou 730000

Phytochemical investigation of the roots of ligularia nelumbifolia afforded three new sinapyl alcohol derivatives together with two other novel *** structures were elucidated by high field 1D and 2D NMR techniques and... 详细信息

关键词： EIMS SINAPYL ALCOHOL DERIVATIVES AND OTHER CONSTITUENTS FROM THE ROOTS OF liGULARIA NELUMBIFOliA CHC CCH DEPT

ENANTIOSELECTIVE SYNTHESIS OF ISOSARCOPHYTOL-A

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Chinese chemical Letters 1994年第2期5卷 97-98页

作者： Wei Dong li Yu lin li Ying li (state key laboratory of applied organic chemistry, institute of Orgamic chemistry, lanzhou university,lanzhou 730000)

Enantioselective total synthesis of isosarcophytol-A was achieved through the chiral intermediate(S)-4 prepared from racemic alcohol 4 by asymmetric Sharpless kinetic resolution.

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