Process to continuously prepare an aqueous mixture of episilon c

Details Process to continuously prepare an aqueous mixture of episilon c Process to continuously prepare an aqueous mixture of episilon c

1997-02-14

1999-03-02

Shah, Mukund J.

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

Organic compounds

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

540540, C07D20102, C07D20116

Patent

active

058773142

ABSTRACT:
This continuous process for preparing an aqueous mixture of .di-elect cons.-caprolactam and 6-aminocaproic acid and/or 6-aminocaproamide by involves, as the reductive amination step, continuously contacting 5-formylvaleric acid or an alkyl 5-formylvalerate in water as solvent with hydrogen and an excess of ammonia in the presence of a ruthenium on carrier, as a catalyst, wherein the carrier is at least one of titanium oxide or zirconium oxide. The aqueous mixture can be used to prepare .di-elect cons.-caprolactam.

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patent: 5068398 (1991-11-01), Merger et al.
patent: 5700934 (1997-12-01), Wolters et al.
patent: 5717089 (1998-02-01), Wolters et al.

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