C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
530/7.2
C07C 103/52 (1980.01)
Patent
CA 1149378
HOE 79/F 027 PROCESS FOR THE MANUFACTURE OF LH-RH AND LH-RH ANALOGS USING ?Glu-His(DnP)-OH Abstract of the disclosure: Process for the manufacture of LH-RH andLH-RH ana- logs, which comprises reacting ?Glu-His(DnP)-OH with the corresponding peptide having a free amino group and protected carboxy groups in a solvent as used in peptide chemistry and with the addition of 3-hydroxy-4-oxo-3,4-di- hydro-1,2,3-benzotriazine (HOObt) and a carbodiimide and then splitting off the Dnp-(2,4-dinitrophenyl) group. The invention also provides a new dipeptide, i.e. ?Glu-His(Dnp)- OH.
406187
Geiger Rolf
Jager George
Konig Wolfgang
Teetz Volker
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hoechst Aktiengesellschaft
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