公开(公告)号：US20210171459A1

公开(公告)日：2021-06-10

申请号：US16932405

申请日：2020-07-17

Applicant: Genomatica, Inc.

Inventor： Rudolf Philippus Maria Guit ,  Thomas Van Der Does ,  Lourina Madeleine Raamsdonk

IPC: C07D201/08 ,  C07D223/10 ,  C07D201/16 ,  C08G69/16

Abstract: The invention relates to a method for preparing caprolactam comprising recovering a mixture containing 6-aminocaproic acid, from a culture medium comprising biomass, and thereafter cyclising the 6-aminocaproic acid in the presence of superheated steam, thereby forming caprolactam, wherein the weight to weight ratio carbohydrate to 6-aminocaproic acid in said mixture is 0.03 or less.