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. ... The chemistry of the 2-alkylidene-1,3-propanediols has been little investigated (see, F. Weiss, ., ., , 1355, and references cited therein), and the reported methodologies appeared unsuitable for our purpose. ... The present application adds new merits to Borch's method for the ...