Preparation of lactams

Details Preparation of lactams Preparation of lactams

1994-12-21

1996-02-20

Bond, Robert T.

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

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

540451, 546243, 548543, C07D20108

Patent

active

054930219

ABSTRACT:
Lactams, in particular epsilon-caprolactam (a basic starting material for the production of nylon 6), are selectively prepared by cyclizing/reacting the corresponding aminonitriles with water, in the presence of a catalytically effective amount of a deactivation-resistant solid metal phosphate having the general formula (II):

REFERENCES:
patent: 2357484 (1944-09-01), Martin
patent: 4628085 (1986-12-01), Mares et al.
Chemical Abstracts, vol. 74, No. 18, May 3, 1971, Columbus, Ohio, U.S.; Abstract No. 91756t, p. 271, col. 1 (abstract of JP-A-7,026,847).

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