Organic compounds -- part of the class 532-570 series – Organic compounds – Unsubstituted hydrocarbyl chain between the ring and the -c-...
Patent
1996-03-15
1998-02-10
Bond, Robert T.
Organic compounds -- part of the class 532-570 series
Organic compounds
Unsubstituted hydrocarbyl chain between the ring and the -c-...
C07D20108
Patent
active
057170894
ABSTRACT:
Process for the preparation of .epsilon.-caprolactam starting from an aldehyde compound comprising at least one member from among 5-formylvaleric acid, ester or amide in which the aldehyde compound is allowed to react in the presence of ammonia and hydrogen and a subsequent cyclization of the reaction products thus formed (.epsilon.-caprolactam-precursors) to .epsilon.-caprolactam is performed in the presence of water, involved the combination of steps
REFERENCES:
patent: 3485821 (1969-12-01), Sheehan
patent: 3652549 (1972-03-01), Fujita et al.
patent: 4730040 (1988-03-01), Vagt et al.
patent: 4730041 (1988-03-01), Hutmacher et al.
patent: 4731445 (1988-03-01), Hutmacher et al.
patent: 4766237 (1988-08-01), Hutmacher
patent: 4950429 (1990-08-01), Vagt
patent: 4963672 (1990-10-01), Merger et al.
patent: 5055618 (1991-10-01), Kampmann
patent: 5068398 (1991-11-01), Merger
patent: 5475141 (1995-12-01), Kos
Buijs Wim
Haasen Nicolaas F.
Herkes Frank E.
Lane Samuel L.
Wolters Henricus F. W.
Bond Robert T.
DSM N.V.
E.I. du Pont Nemours and Company
LandOfFree
Process for the preparation of E-caprolactam does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for the preparation of E-caprolactam, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of E-caprolactam will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2078339