Post-treatment method of reaction mixture resulting from addition reaction of compound having OH- or NH- group to acetylene or propyne

摘要

A process is claimed for working up reaction mixts. obtd. from the addn. reaction of OH or NH gp.-contg. cpds. with acetylene or propyne in presence of alkali metal alcoholates or amides. The process comprises removing the volatile components from the mixt. by distn. on a thin film evaporator.