Title:
ISOLATION OF DIARYLGUANIDINE
Document Type and Number:
Japanese Patent JPS62238257
Kind Code:
A
Abstract:
Diarylguanidines can be isolated from the crude melt from the reaction of arylamines and cyanogen chloride in excellent quality and yield by dissolving the hot melt in water, extracting this solution with at least one polar, water-insoluble, organic compound, and precipitating from the purified aqueous solution the diarylguanidine by adding alkali metal hydroxide.
Inventors:
ARUFUREETO NIIRUTO
HANSU MIYURAA
HANSU MIYURAA
Application Number:
JP7052887A
Publication Date:
October 19, 1987
Filing Date:
March 26, 1987
Export Citation:
Assignee:
BAYER AG
International Classes:
C07C279/18; C07C67/00; C07C239/00; C07C277/08; (IPC1-7): C07C129/12
Attorney, Agent or Firm:
Heiyoshi Odashima
Previous Patent: MODIFIED ISOCYANATE COMPOUND
Next Patent: HYDRAZINECARBOXYLATE COMPOUND AND MITICIDE CONTAINING SAID COMPOUND AS ACTIVE COMPONENT
Next Patent: HYDRAZINECARBOXYLATE COMPOUND AND MITICIDE CONTAINING SAID COMPOUND AS ACTIVE COMPONENT