Process for preparing .alpha.-chloro-.epsilon.-caprolactam
申请人:Allied Chemical Corporation
公开号:US04044001A1
公开(公告)日:1977-08-23
A process is described for preparing .alpha.-chloro-.epsilon.-caprolactam, an intermediate for the synthesis of L-lysine, comprising reacting an N-substituted -.alpha.-chloro-.epsilon.-caprolactam, wherein the N-substituent is an organic radical selected from the group consisting of arylsulfonyl, aroyl and alkanoyl radicals, with .epsilon.-caprolactam at a temperature within the range of about 50.degree. to about 250.degree. C to form .alpha.-chloro-.epsilon.-caprolactam and an N-substituted-.epsilon.-caprolactam. A continuous process is also described for the production of .alpha.-chloro-.epsilon.-caprolactam further comprising the chlorination of N-substituted-.epsilon.-caprolactam to produce N-substituted-.alpha.-chloro-.epsilon.-caprolactam.
MID-CHAIN BRANCHED PERACIDS AND PERACID PRECURSORS
申请人:——
公开号:US20020161258A1
公开(公告)日:2002-10-31
Mid-chain branched peracids and peracid precursors useful in laundry and cleaning compositions, especially granular and liquid detergent compositions are disclosed. These peracids and precursors are suitable for formulation with a wide range of detergent adjuncts for the purpose of providing improved cleaning systems, especially for use in detergent compositions which will be used in laundry processes involving low water temperature wash conditions. The present invention also relates to novel mid-chain branched peracids and precursors for use in the compositions of the present invention.
A METHOD FOR PRODUCING AN L-AMINO ACID USING A BACTERIUM OF THE ENTEROBACTERIACEAE FAMILY HAVING A PATHWAY OF GLYCOGEN BIOSYNTHESIS DISRUPTED
申请人:Rybak Vyacheslavovich Konstantin
公开号:US20060160192A1
公开(公告)日:2006-07-20
There is provided a method for producing an L-amino acid using a bacterium of the Enterobacteriaceae family, particularly a bacterium belonging to the genus
Escherichia
or
Pantoea
, having the glycogen biosynthesis pathway disrupted.
Method of producing target substance by fermentation
申请人:AJINOMOTO CO., INC
公开号:US20020155556A1
公开(公告)日:2002-10-24
In a method for producing a target substance by utilizing a microorganism comprising culturing a bacterium belonging to the genus Escherichia in a medium to produce and accumulate the target substance in the medium or cells of the bacterium and collecting the target substance, a strain in which an RMF protein does not function normally in its cell due to, for example, disruption of rmf gene on chromosome, is used to improve production efficiency or production rate of a useful substance such as L-amino acid, protein and nucleic acid.
Method for Producing an L-Amino Acid Using a Bacterium of the Enterobacteriaceae Family With Attenuated Expression of the KefB Gene
申请人:Filippov Dmitriy Vladimirovich
公开号:US20090226980A1
公开(公告)日:2009-09-10
The present invention provides a method for producing an L-amino acid using a bacterium of the Enterobacteriaceae family, particularly a bacterium belonging to the genus
Escherichia
or
Pantoea
, which has been modified to attenuate expression of the kefB gene.