详细信息
A highly efficient BF3?Et2O-catalysed intramolecular [3+2] cycloaddition for the synthesis of 3,4-dihydrobenzopyrano[3,4-c]pyrazoles ( SCI-EXPANDED收录)
文献类型：期刊文献
英文题名：A highly efficient BF3?Et2O-catalysed intramolecular [3+2] cycloaddition for the synthesis of 3,4-dihydrobenzopyrano[3,4-c]pyrazoles
作者：Wang, Wei-Liang[1];Feng, Yu-Lan;Gao, Wen-Qiang;Luo, Xiaoyan;Deng, Wei-Ping
机构：[1]E China Univ Sci & Technol, Shanghai Key Lab New Drug Design, Shanghai 200237, Peoples R China; E China Univ Sci & Technol, Sch Pharm, Shanghai 200237, Peoples R China
年份：2013
卷号：3
期号：6
起止页码：1687
外文期刊名：RSC ADVANCES
收录：;WOS:【SCI-EXPANDED(收录号:WOS:000313513400011)】；
基金：This work was financially supported by the Fundamental Research Funds for the Central Universities and the Shanghai Committee of Science and Technology (No. 11DZ2260600).
语种：英文
摘要：A highly efficient BF3 center dot Et2O catalysed intramolecular [3+2] cycloaddition of tosylhydrazone with alkyne has been developed, and a variety of potentially bioactive 1,8-disubstituted-3,4-dihydrobenzopyrano[3,4-c]pyrazoles 7 were obtained with good to excellent yields of up to 93%.
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