A convenient access to allylic triflones with allenes and triflyl chloride in the presence of (EtO)P(O)H

A simple method for the preparation of allylic triflones from allenes and triflyl chloride in the presence of (EtO) 2 P(O)H has been developed. The features of this reaction are catalyst-free and simple starting substrates. This method tolerates diverse functional groups and substituted allylic triflones are obtained in moderate to good yields. A simple method for the preparation of allylic triflones from allenes and triflyl chloride in the presence of (EtO) 2 P(O)H has been developed.