Palladium-Catalyzed Remote Diborylative Cyclization of Dienes with Diborons via Chain Walking

J Am Chem Soc. 2021 Nov 24;143(46):19275-19281. doi: 10.1021/jacs.1c09705. Epub 2021 Oct 25.

Abstract

A novel method for catalytic remote bismetalation of alkene substrates by the addition of dimetal reagents is accomplished by using chain walking. In the presence of a palladium catalyst, the reaction of various 1,n-dienes and diborons were converted into cyclopentane derivatives with two boryl groups at remote positions via facile regioselective transformation of an unactivated sp3 C-H bond to a C-B bond. Sequential construction of three distant bonds, which is difficult to achieve by any method, was accomplished for the reactions of 1,n-dienes (n ≥ 7).

Publication types

  • Research Support, Non-U.S. Gov't