PEPTIDES, PHARMACEUTICAL PREPARATION CONTAINING THEM AND THEIR USE

    公开(公告)号:SK282467B6

    公开(公告)日:2002-02-05

    申请号:SK165497

    申请日:1996-06-03

    Applicant: BASF AG

    Abstract: Peptides of formula R1R2N-CHX-CO-A-B-D-E-(F)t-K (I) and their salts with acids are new. In the formula, R1 = Me, Et or iPr; R2 = H, Me or Et; or NR1R2 = a pyrrolidine ring; A = a valyl, isoleucyl, leucyl, 2-tert-butylglycyl, 2-ethylglycyl, norleucyl or norvalyl residue; B = a N-methyl-valyl, -leucyl, -isoleucyl, -norvalyl, -norleucyl, -2-tert-butylglycyl, -3-tert-butylalanyl or -2-ethylglycyl residue; D = a prolyl, 3,4-dehydroprolyl, 4-fluoroprolyl, 4,4-difluoroprolyl, azetidine-2-carbonyl, homoprolyl, thiazolidine-4-carbonyl or 3-, 4- or 5-methylprolyl residue; E = a 3,4-dehydroprolyl, 4-fluoroprolyl, 3- or 4-methylprolyl, 4,4-difluoroprolyl or azetidine-2-carbonyl residue; F = a valyl, 2-tert-butylglycyl, isoleucyl, leucyl, 2-cyclohexylglycyl, norleucyl, norvalyl, neopentylglycyl, alanyl, ~b-alanyl or aminoisobutyroyl residue; X = alkyl (pref. 2-5C alkyl), cyclopropyl or cyclopentyl; t = 0 or 1; and K = alkoxy (pref. 1-4C alkoxy), benzyloxy or opt. substd. amino.

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