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检索条件"主题词=2,4-dioxo-3,4-diarylbutanoates"
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A One-pot Approach to Ethyl 1,4,5-Triaryl-lH-pyrazole-3- carboxylates via an Improved Claisen Condensation- Knorr Reaction Sequence
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Chinese Journal of Chemistry 2013年 第12期31卷 1526-1538页
作者: Jiaojiao Zhai Chunhui Gu Jianan Jiang Shunli Zhang Daohua Liao Lei Wang Dunru Zhu Yafei Ji School of Pharmacy East China University of Science and Technology Shanghai 200237 China State Key Laboratory of Materials-oriented Chemical Engineering College of Chemistry and Chemical Engineering Nanjing University of Technology Nanjing Jiangsu 210009 China
A one-pot approach to ethyl 1,4,5-triaryl-lH-pyrazole-3-carboxylates has been developed in moderate to high yields. The tert-BuOLi-mediated Claisen condensation of 1,2-diarylethanones and ethyl oxalyl chloride efficie... 详细信息
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