公开(公告)号：DE2833470A1

公开(公告)日：1980-02-07

申请号：DE2833470

申请日：1978-07-29

Applicant: HOECHST AG

Inventor： PROSSEL GUENTER DIPL CHEM DR ,  SCHINZEL ERICH DR ,  SCHOENBERGER NORBERT DIPL CHEM ,  MARTINI THOMAS DIPL CHEM DR ,  ROESCH GUENTER

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.