专利号:US-3862113-A 优先权日:1972-09-22 标 题 :Process for the selective elimination of aralkyloxycarbonyl and trityl n-protecting groups with 2,2,2-trifluoroethanol 发明人:RINIKER BERNHARD; KAMBER BRUNO; SIEBER PETER 权利人:CIBA GEIGY CORP 摘要:A process for the selective elimination of amino protective groups in peptide synthesis, wherein the trityl group and/or an aralkyloxycarbonyl group such as the 2-(p-bi-phenylyl)-2propyloxycarbonyl group is (are) split off in trifluorethanol at a pH of about 4 or 1, respectively.