-
公开(公告)号:US5380925A
公开(公告)日:1995-01-10
申请号:US109797
申请日:1993-08-20
申请人: Vladimir Beylin , Huai G. Chen , Om P. Goel , Mark E. Marlatt , John G. Topliss
发明人: Vladimir Beylin , Huai G. Chen , Om P. Goel , Mark E. Marlatt , John G. Topliss
IPC分类号: C07D333/12 , A43B7/06 , A43B13/18 , A61K38/00 , C07B57/00 , C07C227/34 , C07C229/36 , C07C233/41 , C07C233/51 , C07C233/79 , C07C271/22 , C07D219/02 , C07D311/90 , C07D335/18 , C07D335/20 , C07D453/04 , C07C229/14 , C07B55/00 , C07C233/47 , C07D215/38
CPC分类号: C07C271/22 , C07C229/36 , C07C233/51 , C07D335/20 , A61K38/00 , C07C2103/32
摘要: Novel cyclic amino acids which are useful in preparing biologically active peptides as well as a process for the preparation of D and L enantiomers of the cyclic amino acids are described where an N-protected derivative of the racemic cyclic amino acid is treated with (-)cinchonidine and the resulting salt resolved into the desired enantiomers, as well as derivatives thereof and valuable intermediates used in the process.
-
公开(公告)号:US5264577A
公开(公告)日:1993-11-23
申请号:US872742
申请日:1992-04-22
申请人: Vladimir Beylin , Huai G. Chen , Om P. Goel , Mark E. Marlatt , John G. Topliss
发明人: Vladimir Beylin , Huai G. Chen , Om P. Goel , Mark E. Marlatt , John G. Topliss
IPC分类号: C07D333/12 , A43B7/06 , A43B13/18 , A61K38/00 , C07B57/00 , C07C227/34 , C07C229/36 , C07C233/41 , C07C233/51 , C07C233/79 , C07C271/22 , C07D219/02 , C07D311/90 , C07D335/18 , C07D335/20 , C07D453/04 , C07D453/02 , C07C231/20 , C07D311/82 , C07D335/12
CPC分类号: C07C271/22 , C07C229/36 , C07C233/51 , C07D335/20 , A61K38/00 , C07C2103/32
摘要: Novel cyclic amino acids which are useful in preparing biologically active peptides as well as a process for the preparation of D and L enantiomers of the cyclic amino acids are described where an N-protected derivative of the racemic cyclic amino acid is treated with (-)cinchonidine and the resulting salt resolved into the desired enantiomers, as well as derivatives thereof and valuable intermediates used in the process.
摘要翻译: 描述了可用于制备生物活性肽的新型环状氨基酸以及制备环状氨基酸的D和L对映异构体的方法,其中外消旋环状氨基酸的N-保护的衍生物用( - ) 辛可尼定,所得盐分解成所需的对映异构体,以及其衍生物和在该方法中使用的有价值的中间体。
-
公开(公告)号:US5449778A
公开(公告)日:1995-09-12
申请号:US302290
申请日:1994-09-08
申请人: Vladimir Beylin , Huai G. Chen , Om P. Goel , Mark E. Marlatt , John G. Topliss
发明人: Vladimir Beylin , Huai G. Chen , Om P. Goel , Mark E. Marlatt , John G. Topliss
IPC分类号: C07D333/12 , A43B7/06 , A43B13/18 , A61K38/00 , C07B57/00 , C07C227/34 , C07C229/36 , C07C233/41 , C07C233/51 , C07C233/79 , C07C271/22 , C07D219/02 , C07D311/90 , C07D335/18 , C07D335/20 , C07D453/04 , C07D219/08 , C07D215/00
CPC分类号: C07C271/22 , C07C229/36 , C07C233/51 , C07D335/20 , A61K38/00 , C07C2103/32
摘要: Novel cyclic amino acids which are useful in preparing biologically active peptides as well as a process for the preparation of D and L enantiomers of the cyclic amino acids are described where an N-protected derivative of the racemic cyclic amino acid is treated with (-)cinchonidine and the resulting salt resolved into the desired enantiomers, as well as derivatives thereof and valuable intermediates used in the process.
摘要翻译: 描述了可用于制备生物活性肽的新型环状氨基酸以及制备环状氨基酸的D和L对映异构体的方法,其中外消旋环状氨基酸的N-保护的衍生物用( - ) 辛可尼定,所得盐分解成所需的对映异构体,以及其衍生物和在该方法中使用的有价值的中间体。
-
-