Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Peptide containing doai
Patent
1994-06-03
1996-02-27
Warden, Jill
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Peptide containing doai
514 19, 530330, 530331, A61K 3800, A61K 3804, C07K 500
Patent
active
054948975
ABSTRACT:
A peptide derivative of the formula: ##STR1## is a novel compound having antagonism against three endothelin isopeptides. A 2-cyanotryptophan or a protected compound thereof, is an intermediate for the preparation of the endothelin antagonist.
REFERENCES:
patent: 5144918 (1992-05-01), Ishikawa et al.
Tetrahedron Letters, vol. 33, No. 1, 1992, pp.29-32, Rajesh K. Dua, et al., "Synthesis of 5-Cyano-L-Tryptophan".
Fukami Takehiro
Ihara Masaki
Ishikawa Kiyofumi
Yano Mitsuo
Banyu Pharmaceutical Co. Ltd.
Prickril Benet
Warden Jill
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