Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PRODUCTION OF ACYL ISOCYANATE
Document Type and Number:
Japanese Patent JPH09110817
Kind Code:
A
Abstract:

To obtain acyl isocyanate as a useful intermediate of synthesizing of urea, etc., by a new method using oxalyl chloride in avoiding generation of by-product, hydrochloric acid which has been a problem in a usual method.

The objective acyl isocyanate is obtained by reacting oxalyl chloride with N-trialkylsilyl carboxamide of formula I [R is a 1-20C aliphatic group, etc.; R1, R2 and R3 are each independently a 1-4C alkyl; Y is H or formula II (R4 and R5 are each independently a 1-4C alkyl); (n) is 1 or 2] or N,N-bis(trialkylsilyl) carboxamide.


Inventors:
GII BERUTORAN
MISHIERU DONARII
DANIERU GIYOO
JIYANNPIEERU SUNE
Application Number:
JP28467496A
Publication Date:
April 28, 1997
Filing Date:
October 07, 1996
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
POUDRES & EXPLOSIFS STE NALE
International Classes:
C07C263/12; C07C265/16; C07D213/82; C07C263/00; (IPC1-7): C07C265/16; C07C263/00
Attorney, Agent or Firm:
Takashi Koshiba (1 person outside)