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题名: Regioselective synthesis of multisubstituted pyrazoles via cyclocondensation of beta-thioalkyl-alpha,beta-unsaturated ketones with hydrazines
作者: Jin, Weiwei1;  Yu, Haifeng1, 2;  Yu, Zhengkun1
刊名: TETRAHEDRON LETTERS
发表日期: 2011-11-02
DOI: 10.1016/j.tetlet.2011.08.168
卷: 52, 期:44, 页:5884-5887
收录类别: SCI ;  IC ;  CCR
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Organic
研究领域[WOS]: Chemistry
英文摘要: Multisubstituted pyrazoles were efficiently synthesized by cyclocondensation of beta-thioalkyl-alpha,beta-unsaturated ketones with hydrazines under relatively mild conditions. A one-pot synthetic protocol through tandem Liebeskind-Srogl cross-coupling/cyclocondensation using alpha-oxo ketene dithioacetals as the starting materials was also realized for the same purpose. (C) 2011 Elsevier Ltd. All rights reserved.
关键词[WOS]: COMPLEX CATALYSTS BEARING ;  OXO KETENE DITHIOACETALS ;  BESTMANN-OHIRA REAGENT ;  TRANSFER HYDROGENATION ;  OXIDATIVE AROMATIZATION ;  RUTHENIUM(II) COMPLEXES ;  SUBSTITUTED PYRAZOLES ;  EFFICIENT SYNTHESIS ;  IMIDAZOLYL LIGAND ;  CONSTRUCTION
语种: 英语
WOS记录号: WOS:000296168300041
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142366
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China
2.Anshan Normal Univ, Dept Chem, Anshan 114007, Liaoning, Peoples R China

Recommended Citation:
Jin, Weiwei,Yu, Haifeng,Yu, Zhengkun. Regioselective synthesis of multisubstituted pyrazoles via cyclocondensation of beta-thioalkyl-alpha,beta-unsaturated ketones with hydrazines[J]. TETRAHEDRON LETTERS,2011,52(44):5884-5887.
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