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低价钛(TiCl_4/Sm体系)促进下咪唑并[1,2-c]喹唑啉-5(6H)-酮的合成 被引量:1
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作者 杨芳 窦国兰 史达清 《徐州师范大学学报(自然科学版)》 CAS 2010年第3期63-66,共4页
低价钛促进下,2-邻硝基苯基咪唑和固体光气经过还原环化反应,一步合成了一系列咪唑并[1,2-c]喹唑啉-5(6H)-酮衍生物.产物结构通过红外光谱和核磁共振氢谱确证.该方法具有反应条件温和、产率高的优点.
关键词 咪唑并[1 2-c]喹唑啉-5(6H)-酮 还原环化 ticl4/sm体系
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Novel Reduction of Sodium Alkyl Thiosulfates to Disulfides with TiCl_4/Sm System 被引量:1
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作者 Hong Yun GUO You HUANG Yong Min ZHANG (Depatment of Chemistry, Hangzhou University, Hangzhou 310028) ( To whom correspondence should be addressed) 《Chinese Chemical Letters》 SCIE CAS CSCD 1997年第3期191-192,共2页
Sodium alkyl thiosulfates(Bunte salts) can be readily reduced to the corresponding disulfides with TiCl4/Sm system in good to excellent yields under mild conditions
关键词 sm Rev Novel Reduction of Sodium Alkyl Thiosulfates to Disulfides with ticl4/sm System
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Study on the reactions of azo compounds with acyl halides mediated by Sm/TiCl_4
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作者 LI Xue ZHANG Yong-min 《Journal of Zhejiang University-Science B(Biomedicine & Biotechnology)》 SCIE CAS CSCD 2006年第3期198-201,共4页
Amides can be obtained in good to excellent yield by Sm/TiCl4 mediated reductive cleavage of N=N bond in azo compounds and successive acylation in one pot. It offers an alternative method for the synthesis of amides f... Amides can be obtained in good to excellent yield by Sm/TiCl4 mediated reductive cleavage of N=N bond in azo compounds and successive acylation in one pot. It offers an alternative method for the synthesis of amides from very simple starting materials directly. 展开更多
关键词 Azo compounds REDUCTION AMIDES sm/ticl4
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