申请人:Parke, Davis & Company
公开号:US04086219A1
公开(公告)日:1978-04-25
New nonapeptides having the formula Prot Grp-R-Trp-Ser-Tyr-R.sub.2 -Leu-Arg-Pro-Gly-R.sub.3 ; salts thereof; wherein R is Gln, Gln (bzl), His (bzl), Ser (bzl), Pro, Leu, Tyr (bzl), Ile, Cys (bzl) or Phe, R.sub.2 is D-Phe, D-Ala, D-Leu, D-Trp, D-Tyr, D-Tyr (Me), D-Ser, D-Met, D-Arg, D-Val, D-His, D-Gln, D-Phs, D-Thr, D-Pro or D-Asn and R.sub.3 is NH.sub.2, NH(lower alkyl) or N-(lower alkyl).sub.2, methods for their production; certain peptide intermediates and their salts used in the production thereof; and the use of said nonapeptides as luteinizing hormone releasing factor antagonists.
新的非apeptide具有公式Prot Grp-R-Trp-Ser-Tyr-R.sub.2-Leu-Arg-Pro-Gly-R.sub.3;它们的盐;其中R是Gln,Gln(bzl),His(bzl),Ser(bzl),Pro,Leu,Tyr(bzl),Ile,Cys(bzl)或Phe,R.sub.2是D-Phe,D-Ala,D-Leu,D-Trp,D-Tyr,D-Tyr(Me),D-Ser,D-Met,D-Arg,D-Val,D-His,D-Gln,D-Phs,D-Thr,D-Pro或D-Asn,R.sub.3是NH.sub.2,NH(较低烷基)或N-(较低烷基).sub.2,它们的生产方法;在其生产中使用的某些肽中间体及其盐;以及将所述非apeptides用作促黄体激素释放因子拮抗剂的用途。