公开(公告)号：US3816525A

公开(公告)日：1974-06-11

申请号：US16625071

申请日：1971-07-26

Applicant: DEGUSSA

Inventor： SCHREYER G ,  SCHWARZE W ,  WEIGERT W ,  WEIGEL H

IPC: C07C51/245 ,  C07C51/285 ,  C07C51/31 ,  C07C51/24 ,  C07C55/02 ,  C07C55/18

CPC classification number: C07C51/31 ,  C07C51/245 ,  C07C51/285 ,  C07C51/313 ,  C07C53/126 ,  C07C55/18 ,  C07C55/21

Abstract: A PROCESS FOR OXIDIZING THE VICINAL DIOL GROUPS OF ORGANIC DIOL COMPOUNDS INTO CARBOXYLIC GROUPS WITH OXYGEN OR AN OXYGEN-CONTAINING GAS IN THE PRESENCE OF AN INERT SINGLE-PHASE AQUEOUS OR ANHYDROUS ORGANIC SOLVENT MEDIUM OR A TWO-PHASE SOLVENT SYSTEM OF WATEER AND AN INERT WATER-INNISCIBLE SOLVENT, AND IN THE PRESENCE OF COBALT IONS OR A COBALT COMPOUND, AS WELL AS IN THE PRESENCE OF A PERCARBOXYLIC ACID, WHEREIN THE COBALT IONS OR THE COBALT COMPOUND ARE PROVIDED IN CATALYTIC AMOUNTS AND THE PERCARBOXYLIC ACID IS PRESENT, AT LEAST AT THE BEGINNING OF THE OXYGEN OXIDATION, IN AN AMOUNT WHICH IS SUFFICIENT FOR AT LEAST PARTIAL TRANSFORMATION OF THE COBALT IONS OR THE COBALT COMPOUND TO A HIGHER VALENCE.