A new synthesis of spiroacetals via alkylidenation of ester carbonyls with metal carbene complexes
作者:Michael Mortimore、Philip Kocieński
DOI:10.1016/0040-4039(88)85161-x
日期:1988.1
Metal carbene complexes prepared from alkoxy-substituted 1,1-dibromoalkanes react with alkoxy-subsutituted esters to give enol ether intermediates which undergo acid-catalysed methanolysis and cyclisation to Spiroacetals in good overall yield.