公开(公告)号：BRPI0518501A2

公开(公告)日：2008-11-25

申请号：BRPI0518501

申请日：2005-12-21

Applicant: INVISTA TECH SARL

Inventor： POLIAKOFF MARTYN ,  HAMLEY PAUL ,  GARCIA-VERDUGO CEPEDA EDUARDO ,  AIRD GRAHAM ROBERTO ,  COOTE ALEXANDER STUART DR ,  YAN CHONG ,  THOMAS WILLIAM BARRY

IPC: C07D201/08

Abstract: A process for the manufacture of a lactam from an amino alkane nitrile and/or its hydrolysis derivatives, comprising reacting a solution comprising at least about 5% by weight amino alkane nitrile in water at a temperature of greater than or equal to about 350° C. and at a pressure of greater than about 250 bar. Optionally, a dilute acid may be added as a catalyst.

公开(公告)号：BRPI0518501B1

公开(公告)日：2014-11-25

申请号：BRPI0518501

申请日：2005-12-21

Applicant: INVISTA TECH SARL

Inventor： POLIAKOFF MARTYN ,  HAMLEY PAUL ,  CEPEDA EDUARDO GARCIA-VERDUGO ,  AIRD GRAHAM ROBERTO ,  COOTE ALEXANDER STUART DR ,  YAN CHONG ,  THOMAS WILLIAM BARRY

IPC: C07D201/08

Abstract: A process for the manufacture of a lactam from an amino alkane nitrile and/or its hydrolysis derivatives, comprising reacting a solution comprising at least about 5% by weight amino alkane nitrile in water at a temperature of greater than or equal to about 350° C. and at a pressure of greater than about 250 bar. Optionally, a dilute acid may be added as a catalyst.