Patent ID: 9676743
Date: 2017-06-13
CPC Classifications: C07D

Claim:
1. A method comprising steps of: reacting an epoxide of formula S-Ia′: wherein: P′ is hydrogen; Q′ is selected from the group consisting of: hydrogen; halogen; (a) C wherein the moiety of S-Ia′ is selected from: wherein R wherein the moiety of S-Ia′ is selected from: wherein the moiety of S-Ia′ is selected from: wherein the moiety of S-Ia′ is selected from: wherein the moiety of S-Ia′ is selected from: wherein the moiety of S-Ia′ is selected from: wherein the moiety of S-Ia′ is selected from: wherein the moiety of S-Ia′ is selected from: with carbon monoxide (CO) in the presence of a catalytically effective amount of a catalyst of the formula:  wherein: the Lewis acid of formula IIIb is: to produce a compound of the formula S-I′: