Process for producing lactam

Details Process for producing lactam Process for producing lactam

2006-08-01

2006-08-01

Kifle, Bruck (Department: 1624)

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

Organic compounds

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

C540S536000

Reexamination Certificate

active

07084269

ABSTRACT:
It is an object of the present invention to provide an efficient method of continuously producing a lactam in high-temperature high-pressure water, and the present invention relates to a method of producing a lactam characterized by efficiently synthesizing the lactam while suppressing oxime hydrolysis by introducing an oxime as a reaction substrate and an acid into a reaction zone through which high-temperature high-pressure water is flowing, or introducing an oxime into flowing high-temperature high-pressure water containing an acid, thus raising the temperature of the reaction substrate to put the reaction substrate into a prescribed high-temperature high-pressure state within a short time and subjecting the reaction substrate to reaction; through the method, the lactam can be efficiently and continuously synthesized at a high rate from the oxime using an acid catalyst in water at a high temperature of at least 250° C. and a high pressure of at least 15 MPa.

REFERENCES:
patent: 10-287644 (1998-10-01), None
J. Am. Chem. Soc., vol. 122, pp. 1908-1918 2000.
J. Org Chem., vol. 63, pp. 9100-9102 1998.

Affiliated with

Also associated with

Rating

Process for producing lactam 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 producing lactam, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for producing lactam will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3651747