Process for the preparation of aminomethylene compounds

Details Process for the preparation of aminomethylene compounds Process for the preparation of aminomethylene compounds

Filed on

1992-03-16

Date issued

1993-08-31

Examiner

Dentz, Bernard

Patent Class

Organic compounds -- part of the class 532-570 series

SubClass

Organic compounds

SubSubClass

Nitriles

Other Related Categories

558251, 558302, 560 9, 560 22, 560 23, 560 38, 560 41, 560 43, 560147, 560156, 560170, 560171, C07B 4304, C07C25330

Type

Patent

Status

active

Patent number

052410994

Description

ABSTRACT:
Aminomethylene compounds of the formula ##STR1## can be prepared by reaction of C-H-acid compounds of the formula ##STR2## with salts of the formula ##STR3## in the presence of simple inorganic bases, where the radicals R.sup.1 to R.sup.4, R.sup.7, R.sup.8 and X.sup..crclbar. have the meanings given in the description.

REFERENCES:
patent: 4620865 (1986-11-01), Beck et al.
patent: 5095133 (1992-03-01), Blank et al.

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