Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... A highly regioselective reduction of propargylic acetates has been attained by using SmI 2 and catalytic Pd(0) in the presence of 2,4-dimethyl-3-pentanol affording various types of allenes in high yields. ... A new general method for the preparation of allenes from prapargylic ...