Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PRODUCTION OF CALBAZATE
Document Type and Number:
Japanese Patent JPH09124585
Kind Code:
A
Abstract:

To obtain the subject compound economically and highly reliably, useful as an intermediate for the production of a plant protective product by reacting a specific alkylcarbazate with an alcohol in the presence of a catalyst.

This carbazate of an objective compound of formula II is obtained by reacting an alkylcarbazate of formula I (R2 is an unsubstituted 1-4C alkyl) with (B) an alcohol of R1OH [R1 is a (substituted) 2-20C alkyl, a (substituted) 3-6C cycloalkyl or a (substituted) 6-12C aryl]. Further, e.g. it is preferable that the compounts (A) and (B) are used in a ratio of (0.5-20): 1, that the component (C) is a hydroxide, a carbonate or a carboxyhydrogen salt of an alkali (alkaline earth) metal and is used in an amount of 0.001-10wt.% based on the amount of the component (A), and that the reaction is performed at 50-250°C.


Inventors:
HAINTSU RANTOSHIYAITO
EDOUIN RITSUTSUAA
AREKUSANDAA KURAUZENAA
Application Number:
JP1996000297905
Publication Date:
May 13, 1997
Filing Date:
October 23, 1996
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
BAYER AG
International Classes:
C07C281/02; (IPC1-7): C07C281/02
Attorney, Agent or Firm:
Heiyoshi Odashima