Method of preparing peptide

Details Method of preparing peptide Method of preparing peptide

2011-03-29

2011-03-29

Tsang, Cecilia (Department: 1654)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Peptide containing doai

C530S331000, C530S313000

Reexamination Certificate

active

07915224

ABSTRACT:
The present invention provides a method of preparing an intermediate for LHRH antagonists, which requires fewer steps than conventional methods and provides the intermediate in high yield and high purity.

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Aleksander M. Kolodziejczyk et al. “Effect of tertiary amines and amine salts on racemization in peptide synthensis”, Int. J. Peptide Protein Res. 28, 1986, pp. 444-449.
Adrian Thaler et al; “Lithium-Salt Effects in Peptide Synthesis”, Helvetica Chimica Acta—vol. 74, 1991, pp. 617-627.
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Abdel-Magid, 1998, Tetrahedron Letters, 39, pp. 3391-3394.

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