作者:Lian-an Liao、Ni Yan、Joseph M. Fox
DOI:10.1021/ol047837+
日期:2004.12.1
[reaction: see text] In this Letter, we describe a general method for preparing the dianions of cyclopropene carboxylic acids, and we show that their subsequent reactions with electrophiles provide a general means for selectively introducing diverse types of functional groups. This provides a general method for the synthesis of chiral 1,2-disubstituted cyclopropenes, and opens new avenues for the enantioselective
[反应:参见正文]在本函中,我们描述了一种制备环丙烯羧酸二价阴离子的一般方法,我们证明了它们随后与亲电试剂的反应为选择性引入各种类型的官能团提供了一种通用方法。这提供了合成手性1,2-二取代的环丙烯的一般方法,并为环丙烯的对映选择性制备开辟了新途径。