Chiral tridentate ligand: A chiral diene–rhodium complex (1; see scheme) was found to catalyze the intermolecular asymmetric cyclopropanation of alkenes with dimethyl diazomalonate to give 1,1‐cyclopropane diesters in good yields and with high enantioselectivity.
手性三齿
配体:手性二烯-
铑配合物(1 ;参见方案)被发现催化烯烃与分子间不对称
环丙烷二甲diazomalonate,得到良好的产率和高对映选择性1,1-
环丙烷二酯。