Title:
METHOD FOR PRODUCING CORRESPONDING CARBOXYLIC ACID FROM NITROGEN-CONTAINING AROMATIC HETEROCYCLIC COMPOUND CARBOXAMIDE
Document Type and Number:
Japanese Patent JP3858876
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for a corresponding carboxylic acid from a nitrogen-containing aromatic heterocyclic compound.
SOLUTION: The nitrogen-containing aromatic heterocyclic compound is reacted with formamide in the presence of a strong acid and peroxodisulfuric acid or its salt to form a carboxamide, then the carboxamide is hydrolyzed with an alkali to form the corresponding carboxylic acid.
Inventors:
Jean-Paul Rodui
Alan Werich
Karin Amacker
Martin Ayer
Alan Werich
Karin Amacker
Martin Ayer
Application Number:
JP2003310018A
Publication Date:
December 20, 2006
Filing Date:
September 02, 2003
Export Citation:
Assignee:
LONZA LIMITED
International Classes:
C07D213/803; C07B43/06; C07B61/00; C07D213/79; C07D213/81; C07D213/82; C07D213/84; C07D215/48; C07D215/50; C07D217/26; C07D237/24; C07D239/28; C07D241/24; (IPC1-7): C07D213/803; C07D213/81; C07D213/84; C07D215/50; C07D241/24; //C07B61/00
Domestic Patent References:
| JP5432562A | ||||
| JP6340632A |
Foreign References:
| US3781286 | ||||
| US2780624 |
Attorney, Agent or Firm:
Sooo Suga