Abstract
AbstractA planar chiral dirhodium paddlewheel complex Rh2(Sp−PCP)4 based on the [2.2]paracyclophane has been synthesized for the challenging cyclopropanation of venylarene derivatives with tert‐butyl α‐diazo propionates. The homobimetallic rhodium catalyst relies on the high steric demand and rigidity of [2.2]paracyclophane that favors the cyclopropanation of 1‐aryl substituted, 1,1‐disubstituted and benzannulated alkenes over β‐hydride migration at room temperature with high diastereoselectivity.magnified image
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