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    • 1. 发明授权
    • Cyclic motilin-like polypeptides with gastrointestinal motor stimulating
activity
    • 循环促胃动素样多肽与胃肠运动刺激活性
    • US5734012A
    • 1998-03-31
    • US648644
    • 1996-05-16
    • Ramalinga DharanipragadaMark J. MacielagJung Kim-DettelbackJames Florance
    • Ramalinga DharanipragadaMark J. MacielagJung Kim-DettelbackJames Florance
    • A61K38/00A61P1/00C07K14/63C07K5/12C07K7/00C07K7/08
    • C07K14/63A61K38/00
    • This invention pertains to cyclic polypeptides having gastrointestinal motor stimulating activity which may be represented by formula (1): ##STR1## including optically active isomeric forms and the pharmaceutically acceptable acid addition salts thereof, wherein groups A and D are linked to from a cyclic structure; and R.sub.1 is lower alkyl; R.sub.2 is hydrogen or lower alkyl; R.sub.3 is hydrogen or lower alkyl; R.sub.4 is phenyl or substituted phenyl, wherein the phenyl group may be substituted with one or more substituents selected from the group consisting of halogen, hydroxy, and lower alkoxy; R.sub.5 is --OH or --NH.sub.2 ; A is selected from the group consisting of L-glutamic acid, L-aspartic acid, L-lysine, L-ornithine, and L-2,4-diaminobutyric acid; B is L-alanine or L-glutamine; C is L-arginine or D-arginine; D is selected from the group consisting of L-lysine, L-ornithine, L-2,4-diaminobutyric acid, L-glutamic acid, and L-aspartic acid; E is a direct bond between group D and group R.sub.5 or is L-lysine or D-lysine; m is 0 or 1; the symbol * represents an asymmetric carbon atom which may be in the D or L configuration, with the proviso that: (a) when A is L-glutamic acid or L-aspartic acid, D is L-lysine, L-ornithine, or L-2,4-diaminobutyric acid; and (b) when A is L-lysine, L-ornithine, or L-2,4-diaminobutyric acid, D is L-glutamic acid or L-aspartic acid. This invention also pertains to methods for using the novel cyclic polypeptides.
    • 本发明涉及具有胃肠运动刺激活性的环状多肽,其可以由式(1)表示:(1)包括旋光异构体形式及其药学上可接受的酸加成盐,其中基团A和D与 循环结构; 且R 1为低级烷基; R2是氢或低级烷基; R3是氢或低级烷基; R4是苯基或取代的苯基,其中苯基可以被一个或多个选自卤素,羟基和低级烷氧基的取代基取代; R5是-OH或-NH2; A选自L-谷氨酸,L-天冬氨酸,L-赖氨酸,L-鸟氨酸和L-2,4-二氨基丁酸; B是L-丙氨酸或L-谷氨酰胺; C是L-精氨酸或D-精氨酸; D选自L-赖氨酸,L-鸟氨酸,L-2,4-二氨基丁酸,L-谷氨酸和L-天冬氨酸; E是D组和R5组之间的直接键,或是L-赖氨酸或D-赖氨酸; m为0或1; 符号*表示可以是D或L构型的不对称碳原子,条件是:(a)当A是L-谷氨酸或L-天冬氨酸时,D是L-赖氨酸,L-鸟氨酸或 L-2,4-二氨基丁酸; 和(b)当A是L-赖氨酸,L-鸟氨酸或L-2,4-二氨基丁酸时,D是L-谷氨酸或L-天冬氨酸。 本发明还涉及使用新型环状多肽的方法。
    • 2. 发明授权
    • Motilin-like polypeptides that inhibit gastrointestinal motor activity
    • US5470830A
    • 1995-11-28
    • US103489
    • 1993-08-06
    • Mark J. MacielagRamalinga DharanipragadaMary S. Marvin
    • Mark J. MacielagRamalinga DharanipragadaMary S. Marvin
    • C07K7/04A61K38/00A61P1/00C07K14/575C07K14/63C07K5/00C07K7/00C07K17/00
    • C07K14/63A61K38/00
    • This invention pertains to polypeptides having gastrointestinal motor inhibitory activity represented by the formula: ##STR1## including optically active isomeric forms and the pharmaceutically acceptable acid addition salts thereof wherein A is the L-stereoisomer of a lipophilic aliphatic or alicyclic amino acid; B is selected from the group consisting of L and D aromatic, heteroaromatic, lipophilic aliphatic, and alicyclic amino acids; D is the L-stereoisomer of a lipophilic aliphatic or alicyclic amino acid; E is the L-stereoisomer of an aromatic, aliphatic, or alicyclic amino acid; F is the L-stereoisomer of an aromatic or heteroaromatic amino acid; G is glycine or D-alanine; H is L-glutamic acid or L-glutamine; I is L-glutamine, L-glutamic acid, or L-alanine; J is a direct bond between I and group --NH-- or is selected from the group consisting of Z, Z-Leu, Z-Leu-Gln, Z-Leu-Gln-Glu (SEQ ID NO:2), Z-Leu-Gln-Glu-Lys (SEQ ID NO:3), Zleu-Gln-Glu-Lys-Glu (SEQ ID NO:4), Z-Leu-Gln-Glu-Lys-Glu-Arg (SEQ ID NO:5), ZLeu-Gln-Glu-Lys-Glu-Arg-Asn (SEQ ID NO:6), Z-Leu-Gln-Glu-Lys-Glu-Arg-AsnLys (SEQ ID NO:7), and Z-Leu-Gln-Glu-Lys-Glu-Arg-Asn-Lys-Gly (SEQ ID NO:8), wherein Z is selected from the group consisting of arginine, D-arginine, D-homoarginine, D-lysine, D-ornithine, D-2,4-diaminobutyric acid, D-glutamine, D-asparagine, and D-alanine; R.sub.1 and R.sub.2 are independently hydrogen or lower alkyl; R.sub.3 is selected from the group consisting of lower-alkyl, cycloalkyl, substituted and unsubstituted aryl, and heteroaryl, wherein the aryl group may be substituted with one or more substituents selected from the group consisting of halogen, hydroxy, and lower-alkoxy; R.sub.4 is selected from the group consisting of --CH.sub.2 CONH.sub.2, aminoalkyl groups containing from 1 to 3 carbon atoms, and guanidinoalkyl groups containing 2 or 3 carbon atoms; R.sub.5 is --COOH or --CONH.sub.2 ; and the symbol * represents an asymmetric carbon atom which may be in the D or L configuration, and each lower-alkyl group contains from 1 to 4 carbon atoms, with the proviso that R.sub.4 is --CH.sub.2 CONH.sub.2 only when J is Z-Leu or Z-Leu-Gln-Glu-Lys-Glu-Arg-Asn-Lys-Gly (SEQ ID NO:8).
    • 3. 发明授权
    • Motilin-like polypeptides with gastrointestinal motor stimulating
activity
    • 胃肠道运动刺激活性的胃动素样多肽
    • US5422341A
    • 1995-06-06
    • US103490
    • 1993-08-06
    • Mark J. MacielagRamalinga DharanipragadaJames R. FloranceMary S. MarvinAlphonse Galdes
    • Mark J. MacielagRamalinga DharanipragadaJames R. FloranceMary S. MarvinAlphonse Galdes
    • C07K7/04A61K38/00A61P3/00A61P3/02C07K14/575C07K14/63C07K5/00C07K7/00C07K17/00
    • C07K14/63A61K38/00
    • This invention pertains to polypeptides, other than motilin, having gastrointestinal motor stimulating activity and represented by the formula: ##STR1## wherein A and D are lipophilic aliphatic or alicyclic amino acids; B is L-proline or L-alanine; E is an aromatic, lipophilic aliphatic, or alicyclic amino acid; F is an aromatic or heteroaromatic amino acid; G is glycine or D-alanine; H is L-glutamic acid or L-glutamine; I is L-glutamine, L-glutamic acid, or L-alanine; J is a direct bond or is selected from, inter alia Z, Z-Leu, Z-Leu-Gln, Z-Leu-Gln-Glu (SEQ ID NO:2) or Z-Leu-Gln-Glu-Lys (SEQ ID NO:3), wherein Z is, inter alia, arginine, D-arginine, D-homoarginine, or D-lysine, and further wherein the amino acids represented by A, D, E and F are L-stereoisomers; R.sub.1 is lower-alkyl or allyl; R.sub.2 is hydrogen, lower-alkyl, propargyl, or allyl; R.sub.3 is hydrogen, lower-alkyl, and allyl; R.sub.4 is lower-alkyl, cycloalkyl, heteroaryl, unsubstituted aryl, and aryl substituted by halogen, hydroxy, or lower-alkoxy; R.sub.5 is --CH.sub.2 CONH.sub.2, aminoalkyl, or guanidinoalkyl; R.sub.6 is --COOH or --CONH.sub.2 ; and m is 0 or 1, and the asymmetric carbon represented by * may be D or L configuration, with certain specified provisos.
    • 本发明涉及具有胃肠运动刺激活性并由下式表示的除胃动素以外的多肽:其中A和D是亲脂性脂族或脂环族氨基酸; B是L-脯氨酸或L-丙氨酸; E是芳族,亲脂性脂族或脂环族氨基酸; F是芳族或杂芳族氨基酸; G是甘氨酸或D-丙氨酸; H是L-谷氨酸或L-谷氨酰胺; 我是L-谷氨酰胺,L-谷氨酸或L-丙氨酸; J是直接键或选自Z,Z-Leu,Z-Leu-Gln,Z-Leu-Gln-Glu(SEQ ID NO:2)或Z-Leu-Gln-Glu-Lys(SEQ 其中Z特别是精氨酸,D-精氨酸,D-高精氨酸或D-赖氨酸,其中由A,D,E和F表示的氨基酸是L-立体异构体; R1是低级烷基或烯丙基; R2是氢,低级烷基,炔丙基或烯丙基; R3是氢,低级烷基和烯丙基; R4是低级烷基,环烷基,杂芳基,未取代的芳基和被卤素,羟基或低级烷氧基取代的芳基; R5是-CH2CONH2,氨基烷基或胍基烷基; R6是-COOH或-CONH 2; 并且m为0或1,并且由*表示的不对称碳可以是D或L构型,具有特定的条件。