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    • 6. 发明授权
    • Endothelin analogs and uses thereof
    • 内皮素类似物及其用途
    • US5352659A
    • 1994-10-04
    • US837780
    • 1992-02-14
    • Mitsuhiro WakimasuTakashi KikuchiKazuki Kubo
    • Mitsuhiro WakimasuTakashi KikuchiKazuki Kubo
    • A61K38/00C07K14/575A61K37/02C07K7/10
    • C07K14/57536A61K38/00
    • Disclosed are a peptide represented by formula (I) or a pharmaceutically acceptable salt thereof: ##STR1## wherein M represents a mercaptoacyl group; P, Q, R, S, T, U, V, W, X, Y and Z each represent amino acid residues, wherein an amino acid side chain of Y is either a substituted saturated aliphatic hydrocarbon group having 1 to 15 carbon atoms or an unsubstituted saturated aliphatic hydrocarbon group having 4 to 15 carbon atoms other than (1S)-1-methylpropyl; (2) a method for producing the above-mentioned peptide or the salt thereof, which comprises subjecting a peptide represented by formula (II) or a salt thereof to an oxidation reaction:M-P-Cys-Q-R-S-T-Asp-U-Glu-Cys-Val-Tyr-V-Cys-His-W-X-Y-Ile-Z-OH(II)wherein M, P, Q, R, S, T, U, V, W, X, Y and Z are as diefined above; and (3) use of the above-mentioned peptide or the pharmaceutically acceptable salt thereof as an anti-endothelin agent.
    • 公开了由式(I)表示的肽或其药学上可接受的盐:巯基酰基; P,Q,R,S,T,U,V,W,X,Y和Z各自表示氨基酸残基,其中Y的氨基酸侧链是具有1至15个碳原子的取代的饱和脂族烃基或 除(1S)-1-甲基丙基以外具有4〜15个碳原子的未取代的饱和脂肪族烃基; (2)上述肽或其盐的制造方法,其特征在于,将由式(II)表示的肽或其盐进行氧化反应:MP-Cys-QRST-Asp-U-Glu-Cys 其中M,P,Q,R,S,T,U,V,W,X,Y和Z的Val-Tyr-V-Cys-His-WXY-Ile-Z-OH(II) 和(3)使用上述肽或其药学上可接受的盐作为抗内皮素剂。
    • 7. 发明授权
    • Peptide derivatives having vasodilating activity
    • 具有血管扩张活性的肽衍生物
    • US5306808A
    • 1994-04-26
    • US768269
    • 1991-10-17
    • Mitsuhiro WakimasuTakashi KikuchiKazuki Kubo
    • Mitsuhiro WakimasuTakashi KikuchiKazuki Kubo
    • A61K38/00C07K14/575C07K7/10
    • C07K14/57536A61K38/00
    • Disclosed are a peptide derivative represented by the formula [I] or a pharmaceutically acceptable salt thereof: ##STR1## wherein A, B, C, D, E and F each represent amino acid residues, and satisfy any one condition of (i) A=Ser, B=Ser, C=Ser, D=Leu, E=Met and F=Phe, (ii) A=Ser, B=Ser, C=Ser, D=Trp, E=Leu and F=Phe, and (iii) A=Thr, B=Phe, C=Thr, D=Tyr, E=Lys and F=Tyr; and W, X, Y and Z each represent amino acid residues, and satisfy any one condition of (i) at least one of W and Y is an amino acid residue other than an L-alanine residue or other than an L-cysteine residue, (ii) X is an amino acid residue other than an L-Lysine residue, and (iii) Z is an amino acid residue other than an L-aspartic acid residue; (2) a method for producing the peptide derivative or the salt thereof; and (3) an agent for improving a circulatory function mainly comprising the peptide derivative or the salt thereof, such as a vasodilator or a vasoconstrictor.
    • PCT No.PCT / JP91 / 00165 Sec。 371日期1991年10月17日 102(e)日期1991年10月17日PCT 1991年2月12日提交PCT公布。 出版物WO91 / 13089 1991年9月5日公开。公开是由式(I)表示的肽衍生物或其药学上可接受的盐:(*化学结构*)-Ile-Ile-Trp-OH其中A,B,C,D,E (i)A = Ser,B = Ser,C = Ser,D = Leu,E = Met和F = Phe的任何一个条件,(ii)A = Ser,B = Ser,C = Ser,D = Trp,E = Leu和F = Phe,和(iii)A = Thr,B = Phe,C = Thr,D = Tyr,E = Lys和F = Tyr; 并且W,X,Y和Z各自表示氨基酸残基,并且满足(i)W和Y中的至少一个是L-丙氨酸残基以外的氨基酸残基或L-半胱氨酸残基以外的任一条件 ,(ii)X是除L-赖氨酸残基以外的氨基酸残基,(iii)Z是除了L-天冬氨酸残基以外的氨基酸残基; (2)生成肽衍生物或其盐的方法; 和(3)主要由肽衍生物或其盐例如血管扩张剂或血管收缩剂改善循环功能的药剂。