Process for preparing lactamide

Details Process for preparing lactamide Process for preparing lactamide

1999-03-03

2000-09-26

Kumar, Shailendra

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

Organic compounds

Amino nitrogen containing

564125, 564130, 564201, C07C23106

Patent

active

061245011

ABSTRACT:
A process for preparing lactamide with a high conversion and a high selectivity without the deterioration of a catalytic activity in a short time, which comprises subjecting lactonitrile to a hydrating reaction in the presence of (A) a catalyst including an oxide of manganese as a main component, (B) an oxidizing agent and (C) hydrogen cyanide or hydrogen cyanide and a compound represented by the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are each a hydrogen atom, a C.sub.1 to C.sub.8 alkyl group, a C.sub.1 to C.sub.8 hyroxyalkyl group, a C.sub.1 to C.sub.8 aminoalkyl group or a C.sub.1 to C.sub.8 halogenoalkyl group.

REFERENCES:
patent: 5087750 (1992-02-01), Uda et al.
Patent Abstracts of Japan, vol. 6, No. 006, Jul. 31, 1995, Abstract of JP 07-061961 A, Mar. 7, 1995.

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