A process for the preparation of a diboronic acid ester comprising contacting diboronic acid with a suitable monoalcohol, diol or polyol, for a time and under conditions such that the diboronic acid reacts with the monoalcohol, diol or polyol to form the diboronic acid ester.
This application is a divisional application of U.S. application Ser. No. 09/581,216, filed Dec. 6, 2000, now U.S. Pat No. 6,346,639 (of which the entire disclosure of the pending, prior application is hereby incorporated by reference), which is a 371 of PCT/AU98/01072, filed Dec. 23, 1998, and which was published in English.
