Process for making N-(N'-methylenepyrrolidonyl)-2-substituted an

Details Process for making N-(N'-methylenepyrrolidonyl)-2-substituted an Process for making N-(N'-methylenepyrrolidonyl)-2-substituted an

Filed on

1978-12-14

Date issued

1980-08-05

Examiner

Daus, Donald G.

Patent Class

Chemistry of carbon compounds

SubClass

Miscellaneous organic carbon compounds

SubSubClass

C-metal

Other Related Categories

71 95, 2603265FL, 568584, A01N 922, C07D20726

Type

Patent

Status

active

Patent number

042161525

Description

ABSTRACT:
This invention relates to an improved process for making N-(N'-methylenepyrrolidonyl)-2-substituted anilines which are useful intermediates in the synthesis of agricultural herbicides.
This process of the invention comprises reacting a 2-substituted aniline with N-chloromethylpyrrolidone at about room temperature in the presence of an acid acceptor. Such room temperature alkylation of the aniline prevents excessive side reactions, particularly with a substituent in the 2-position of the aniline, such as an alkenyl group, which is sensitive to alkylating agents which require excessive heating to effective the condensation reaction.

REFERENCES:
patent: 3651085 (1972-03-01), Lunsford
patent: 3769301 (1973-10-01), Olin
Morrison, R. and R. Boyd, "Organic Chemistry", 3rd ed., Allyn and Bacon, Inc., Boston, (1974), p. 742.

Affiliated with

Also associated with

Rating

Process for making N-(N'-methylenepyrrolidonyl)-2-substituted an 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 making N-(N'-methylenepyrrolidonyl)-2-substituted an, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for making N-(N'-methylenepyrrolidonyl)-2-substituted an will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2279886