Title:
【発明の名称】シアノアルキルラクタムの接触的製造
Document Type and Number:
Japanese Patent JPH0692364
Kind Code:
B2
Abstract:
This invention relates to an improved process for the preparation of cyanoalkyl lactams by the reaction of an unsaturated nitrile with a lactam, said cyanoalkyl lactam of the formula wherein R is H, or methyl, R1 is H, methyl or ethyl and n is a number ranging from 2-11 and wherein each of the methylene groups may carry a lower alkyl substituent as shown. The improvement comprises: reacting said lactam with an alpha-beta unsaturated nitrile having from 3-6 carbon atoms in the presence of a catalytic amount of a diazabicycloalkene of the formula wherein R, R1 and n have the above meaning. Typically, acrylonitrile is reacted with epsilon -caprolactam in the presence of diazabicycloundecene.
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Inventors:
Littleyard Van Court Car
Thomas Albert Johnson
Thomas Albert Johnson
Application Number:
JP15691189A
Publication Date:
November 16, 1994
Filing Date:
June 21, 1989
Export Citation:
Assignee:
Air Products and Chemicals Incorporated
International Classes:
B01J31/02; C07B61/00; C07D205/08; C07D207/27; C07D211/40; C07D223/10; C07D225/02; (IPC1-7): C07D205/08; B01J31/02; C07D207/27; C07D211/40; C07D223/10; C07D225/02
Attorney, Agent or Firm:
Chika Takagi (2 outside)
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