Selective reactions of some steroids with diethyl dicarbonate. Selektive Reaktionen einiger Steroide mit Pyrokohlensäurediaethylester.

Diethyl dicarbonate (diethyl pyrocarbonate, DPC) is an excellent reagent^1,2) for the preparation of carbonate derivatives of amines, phenols¹⁾, alcohols³⁾ as well as for the preparation of carboxylic acid esters²⁾. It is not necessary to use pyridine or any other acid binding agent in the reaction as in case of chlorocarbonate esters, therefore, the reaction products are obtained directly on evaporating the solvent and excess reagent.