Lewis Acid-Mediated Ring-Opening Reactions of <i>trans</i>-2-Aroyl-3-styrylcyclopropane-1,1-dicarboxylates: Access to Cyclopentenes and <i>E</i>,<i>E</i>-1,3-Dienes
作者:Murugesan Thangamani、Kannupal Srinivasan
DOI:10.1021/acs.joc.7b02335
日期:2018.1.19
lopropane-1,1-dicarboxylates was investigated with different Lewis acids. With SnCl4, the cyclopropane dicarboxylates afforded cyclopentene derivatives through ring opening followed by cyclization (vinylcyclopropane–cyclopentene rearrangement). With TiCl4, they furnished E,E-1,3-diene derivatives stereoselectively via ring opening followed by proton elimination.
的开环反应TRAN具有不同的路易斯酸S-2-芳酰基-3- styrylcyclopropane -1,1-二羧酸酯进行了研究。使用SnCl 4时,环丙烷二羧酸酯通过开环随后环化(乙烯基环丙烷-环戊烯重排)提供环戊烯衍生物。他们用TiCl 4通过开环然后质子消除立体选择性地提供了E,E -1,3-二烯衍生物。