公开(公告)号：DE2961826D1

公开(公告)日：1982-02-25

申请号：DE2961826

申请日：1979-07-23

Applicant: HOECHST AG

Inventor： PROSSEL GUNTER DR ,  SCHINZEL ERICH DR ,  SCHONBERGER NORBERT DR ,  MARTINI THOMAS DR ,  ROSCH GUNTER

IPC: C09B57/00 ,  C07D271/10 ,  C07D271/113 ,  C07D413/10 ,  C07F9/653 ,  C08K5/35 ,  C11D3/42 ,  D06L3/12

Abstract: Novel 1,3,4-oxadiazolone-(2) compounds of the formula (1) wherein Y denotes carboxy optionally functionally modified or optionally substituted phenyl or a five-membered heterocycle optionally substituted and selected from the group consisting of: furan, thiophen, oxazole, imidazole, oxadiazole, oxadiazolone, triazole, benzofuran, thionaphthalene, benzoxazole, benzimidazole, and benzotriazole, R denotes hydrogen, alkyl or optionally substituted phenyl, n denotes 0 and 1 and the rings A and B carry optionally further non-chromophoric substituents. These compounds may be used as optical brighteners.