Title:
【発明の名称】3-ヒドロキシ-2-メチル安息香酸の製造方法
Document Type and Number:
Japanese Patent JP2001510178
Kind Code:
A
Abstract:
The invention relates to a novel method for preparing 3-hydroxy-2-methylbenzoic acid by reacting disodium 3-amino-1,5-naphthalinedisulfonic acid with aqueous potassium hydroxide solution at a pressure of at least 100 bar.
Inventors:
Shoutel Tour, Ube
Application Number:
JP2000503047A
Publication Date:
July 31, 2001
Filing Date:
July 06, 1998
Export Citation:
Assignee:
Bayer Actien Gezershyaft
International Classes:
C07C51/00; C07C65/00; C07C65/03; (IPC1-7): C07C51/00; C07C65/03
Attorney, Agent or Firm:
Heiyoshi Odashima (1 person outside)