Verfahren zur Herstellung von D-(3'-Pyridyl)-alanin
申请人:Degussa-Hüls Aktiengesellschaft
公开号:EP1083170A1
公开(公告)日:2001-03-14
Es wird ein Verfahren beansprucht, mit dem aus D,L-(3'-Pyridyl)-methylhydantoin mittels einer (D)-spezifischen Hydantoinase N-Carbamoyl-D-(3'-pyridyl)-alanin gewonnen werden kann, das durch Reaktion mit Nitrit oder einer Carbamoylase zu (D)-(3'-Pyridyl)-alanin umgewandelt werden kann.
RECOMBINANT DNA HAVING HYDANTOINASE GENE AND CARBAMYLASE GENE AND PROCESS FOR PRODUCING AMINO ACID
申请人:Ajinomoto Co., Inc.
公开号:EP1493809A1
公开(公告)日:2005-01-05
The object of the present invention is to prepare a recombinant DNA efficiently co-expressing genes of enzymes such as HHase, and to produce an amino acid efficiently from hydantoin by utilizing such a recombinant DNA. The present invention provides a recombinant DNA having base sequences encoding the following gene regions (I) and (II) incorporated therein in a predetermined direction and in a predetermined order to produce an amino acid efficiently:
(I) a gene region containing a base sequence encoding a hydantoinase gene and a trp promoter sequence located upstream of the base sequence encoding the hydantoinase gene regulating expression of the hydantoinase gene, and
(II) a gene region containing a base sequence encoding a carbamylase gene and a trp promoter sequence located upstream of the base sequence encoding the carbamylase gene regulating expression of the carbamylase gene.
Procédé de synthèse de 5-(3-pyridylméthylène)-imidazolidine-2,4-dione
申请人:SOLVAY (Société Anonyme)
公开号:EP2011794A2
公开(公告)日:2009-01-07
Procédé de synthèse de 5-(3-pyridylméthyl)-imidazolidine-2,4-dione selon lequel on soumet du 5-(3-pyridylméthylène)-imidazolidine-2,4-dione à une réaction d'hydrogénation.