国家自然科学基金(20021001)

作品数:21被引量:43H指数:3
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相关作者:惠新平许鹏飞曹小平王小龙刘冬更多>>
相关机构:兰州大学新乡医学院北京大学更多>>
相关期刊:《新乡医学院学报》《兰州大学学报(自然科学版)》《有机化学》《Chinese Journal of Chemistry》更多>>
相关主题:TWONEWCOMPOSITAE抗菌活性苯基更多>>
相关领域:理学医药卫生化学工程更多>>
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An altemative synthetic approach towards erythrinan and homoerythrinan alkaloids by tandem semipinacol/intramolecular Schmidt reaction被引量:1
《Chinese Chemical Letters》2007年第8期917-919,共3页Pei Ming Gu Yu Ming Zhao Yong QiangTu Min Wang Shu Yu Zhang 
An alternative construction of A-B-D ring-system of erythrinan and homoerythrinan alkaloids by TiCl4-mediated tandem semipinacol/intramolecular Schmidt reaction of α-siloxyepoxyazide was addressed and the unusual epo...
关键词:TANDEM Intramolecular Schmidt reaction Semipinacol ALKALOID 
Enantioselective Alkynylation of Ketones Promoted by β-Sulfonamide Alcohol-Titanium Complexes
《Chinese Journal of Chemistry》2007年第5期694-697,共4页倪明 周益峰 陈超 许江珂 王锐 
Project suported by the National Natural Science Foundation of China (Nos. 20372028, 20472026, 20525206, 20021001) and the Specialized Research Fund for the Doctoral Program in Higher Education Institutions of the Ministry of Education of China.
A readily available β-sulfonamide alcohol-titanium complex was found to be effective on promoting the asymmetric addition reaction of an alkynylzinc reagent to unactivated simple ketones under very mild conditions. A...
关键词:KETONE asymmetric ALKYNYLATION β-sulfonamide alcohol catalysis 
7β-[2-(2-氨噻唑-4-基)-(Z)-2-甲氧亚胺乙酰胺基]-3-杂环硫亚甲基头孢菌素衍生物的半合成及抗菌活性被引量:4
《有机化学》2006年第12期1704-1708,共5页惠新平 王勤 王芳 张自义 管作武 
国家自然科学基金(No.20021001);甘肃省自然科学基金(No.3ZS051-A25-005)资助项目.
通过5-取代-1,3,4-噁二唑-2-硫醇(2a~2h),5-芳胺基-1,3,4-噻二唑-2-硫醇(2i~2j)和头孢菌素母体7-氨基头孢烷酸(7-ACA)反应,制得头孢菌素中间体3a~3j,用氨噻唑肟活性酯4和头孢菌素中间体缩合,合成了头孢菌素衍生物5a~5j.体外抗菌结...
关键词:头孢菌素 半合成 抗菌活性 离心薄层层析 
A Fast Assembly of (-)-Epigallocatechin-3-gallate [(-)-EGCG] via Intra- and Inter-molecular Mitsunobu Reaction
《Chinese Journal of Chemistry》2006年第11期1618-1624,共7页丁同健 王小龙 曹小平 
Project supported by the National Natural Science Foundation of China (Nos. 20472025 and 20021001).
This paper described a concise construction of (-)-EGCG (1f) (with an overall yield of 20% for seven steps based on the starting cinnamyl alcohol derivative 3), featuring asymmetric dihydroxylation (ADH), intr...
关键词:ADH intra- and inter-molecular Mitsunobu reaction (-)-EGCG 
A Facile and Green Synthesis of Sulforaphane被引量:1
《Chinese Chemical Letters》2006年第9期1152-1154,共3页Tong Jian DING Ling ZHOU Xiao Ping CAO 
supported by the National Natural Science Foundation of China(No.20472025 and No.20021001).
The compound sulforaphane (SFN, 1) has been synthesized via a facile and green synthetic strategy based on the modification of previous methods. Because of its high bioactivities and rare content in nature, the pres...
关键词:SFN CRUCIFERAE facile and green synthesis. 
Two New Norsesquiterpenes from Ixeris polycephala被引量:3
《Chinese Chemical Letters》2006年第7期913-915,共3页Yi Feng HAN Kun GAO Zhong Jian JIA 
The chemical investigation of Ixeris polycephala afforded two new norsesquiterpenes, named as ixerols A and B (1-2). Their structures were established based on spectroscopic methods including 2D NMR experiments. The...
关键词:Ixeris polycephala COMPOSITAE ixerols A and B norsesquiterpene. 
2-(2-甲氧基苯基)-5-[2’-(2H-四唑-5-基)联苯-4-甲硫基]-1,3,4-噻二唑的合成及抑菌活性
《新乡医学院学报》2006年第6期544-545,共2页晁淑军 汪应灵 耿明江 程迪 惠新平 许鹏飞 
国家自然科学基金资助项目(编号:20021001);新乡医学院2004年高学历人才科研资助项目(编号:04GXLP03)
目的研究2-(2-甲氧基苯基)-5-[2’-(2H-四唑-5-基)联苯-4-甲硫基]-1,3,4-噻二唑(化合物4)的合成方法及抑菌活性。方法通过2-(2-甲氧基苯基)-5-巯基-1,3,4-噻二唑(化合物1)与2-N-三苯基甲基-5-(4’-溴甲基联苯-2-基)-四唑(化合物2)在碳酸...
关键词:合成 抑菌活性 1 3 4-噻二唑 2-(2-甲氧基苯基)-5-[2’-(2H-四氮唑-5-基)联苯基-4-甲硫基]巯基-1 3 4-噻二唑 
A Novel Strategy for the Key Fully Substituted Cyclopentenedione Moiety of Madindolines via AIEt3-promoted Tandem Reductive Rearrangement of α-Hydroxy Epoxides
《Chinese Journal of Chemistry》2006年第5期595-597,共3页高栓虎 贾彦兴 赵学智 涂永强 
Project supported by the National Natural Science Foundation of China (Nos, 29525205, 30271488, 20021001 and 203900501 ).
The fully substituted cyclopentenedione core of madindoline A (1) and B (2) as potent and selective inhibitor of IL-6 has been synthesized efficiently. The quaternary carbon center C-2' was constructed on the bas...
关键词:madindoline total synthesis tandem reaction quaternary carbon epoxide rearrangement 
Enantioselective Addition of Phenylacetylene to Ketones Catalyzed by Titanium(IV) Complexes of N-Sulfonylated β-Amino Alcohols
《Chinese Journal of Chemistry》2006年第2期165-168,共4页王少华 涂永强 陈鹏 
Project supported by the National Natural Science Foundation of China (Nos. 29925205, 30271488, 20021001 and 203900501).
The easily prepared and recoverable chiral N-sulfonylated fl-amino alcohol 2 in combination with Ti(OPr-i)4 was found to be an effective chiral catalyst for the enantioselective addition of alkynylzinc to ketones, w...
关键词:asymmetric alkynylation asymmetric catalysis KETONE N-sulfonylated β-amino alcohol tertiary propargylic alcohol 
磺氨基醇手性配体的合成及钛配合物催化二乙基锌对醛的不对称加成反应被引量:3
《有机化学》2006年第2期211-214,共4页惠新平 乔仁忠 许鹏飞 
国家自然科学基金(No.20021001);甘肃省自然科学基金(No.3ZS051-A25-005)资助项目.
合成了手性磺氨基醇配体3~5,将这些配体和Ti(O-i-Pr)4应用于二乙基锌对醛的不对称加成反应,获得了好的对映选择性,ee值最高为91%.
关键词:磺氨基醇 (+)-10-樟脑磺酰氯 二乙基锌 Ti(O-i-Pr)4 不对称加成反应 手性配体 氨基醇 钛配合物 合成 催化 
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