Process for the preparation of aminomethylene compounds

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

1994-01-21

1995-03-28

Killos, Paul J.

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

Organic compounds

Nitriles

544161, 544162, 544163, 544171, 546192, 546230, 546238, 548566, 548571, 548572, 558384, 560 9, 560 22, 560 23, 560 38, 560 41, 560 43, 560147, 560156, 560170, 560171, C07C25330, C07C21121, C07C 6700

Patent

active

054018692

ABSTRACT:
Aminomethylene compounds of the formula ##STR1## may advantageously be prepared by reacting C--H-acidic compounds of the formula ##STR2## with formamide acetals of the formula ##STR3## in which the radicals R.sup.1 to R.sup.6 have the meaning given in the description,
if the process is carried out in the presence of a secondary amine of the formula ##STR4## in which R.sup.7 and R.sup.8 have the meaning given in the description.

REFERENCES:
patent: 5095133 (1992-03-01), Blank et al.
J. Org Chem. 46 (1981), 1752.
Org. Synth. 63 (1985), 214.
Chem. Ber. 97 (1964), 3397.

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