Ring enlargement of bicyclo[3.3.1]nonan-2-one with diazomethane
Abstract
Bicyclo[3.3.1]nonan-2-one reacted with ethyl N-nitrosomethylcarbamate to give bicyclo[4.3.1]decan-2- and -3-one, reduction of which gave the parent bicyclodecane, and a small amount of bicyclo[3.3.1]nonan-2-spirooxiran.