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US4384994A Expired / Lapsed US ⏱️ 0.0 years remaining

Renin inhibitory peptides

Assignee: Merck and Co Inc
•
Filing: 1981-10-08
•
Granted: 1983-05-24
•
Expires: 2001-10-08
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Abstract

Abstract Renin inhibitory peptides of the formula: Leu--Stav--Val--Phe (I.) and analogs thereof inhibit renin and are useful for treating various forms of renin-associated hypertension and hyperaldosteronism.

Inventors

  • 👤 Daniel F. Veber
  • 👤 Daniel H. Rich

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 04:33
CPC Classifications
C; C07; C07K; C07K5/00; C07K5/02; C07K5/0227; A; A61; A61P; A61P43/00; A61P9/00; A61P9/12; Y; Y10; Y10S; Y10S530/00; Y10S530/86

Claims Analysis

Total Claims: 22
Claim 1
Independent Claim 95 words
A peptide of the formula: ##STR7## wherein: A is hydrogen; or phenoxyacetyl; R 1 is C 3-6 straight or branched alkyl; C 3-7 cycloalkyl; phenyl; or phenyl monosubstituted with hydroxyl, fluoro, chloro, bromo, methyl, or trifluoromethyl; R 2 is hydrogen; or methyl; R 3 is methyl; or isopropyl; R 4 is phenyl; or 4-hydroxyphenyl; and B is OR; NHR; or NR 2 , where each R may be the same or different and is hydrogen or C 1-4 alkyl; and a pharmaceutically acceptable salt thereof; all of the asymmetric carbon atoms having an S configuration.
Claim 2
Dependent Claim 95 words
A peptide of the formula: ##STR7## wherein: A is hydrogen; or phenoxyacetyl; R 1 is C 3-6 straight or branched alkyl; C 3-7 cycloalkyl; phenyl; or phenyl monosubstituted with hydroxyl, fluoro, chloro, bromo, methyl, or trifluoromethyl; R 2 is hydrogen; or methyl; R 3 is methyl; or isopropyl; R 4 is phenyl; or 4-hydroxyphenyl; and B is OR; NHR; or NR 2 , where each R may be the same or different and is hydrogen or C 1-4 alkyl; and a pharmaceutically acceptable salt thereof; all of the asymmetric carbon atoms having an S configuration.
Claim 3
Dependent Claim 21 words
A peptide according to claim 1 wherein the peptide is N-phenoxyacetyl-L-leucyl-(3S,4S)-statyl-L-valyl-L-phenylalanine, or the amide or C 1-4 alkyl ester form thereof.
Claim 4
Dependent Claim 21 words
A peptide according to claim 1 wherein the peptide is N-phenoxyacetyl-L-leucyl-(3S,4S)-statyl-L-leucyl-L-phenylalanine, or the amide or C 1-4 alkyl ester form thereof.
Claim 5
Dependent Claim 21 words
A peptide according to claim 1 wherein the peptide is N-phenoxyacetyl-L-leucyl-4(S)-amino-3(S)-hydroxy-5-phenylpentanoyl-L-leucyl-L-phenylalanine, or the amide or C 1-4 alkyl ester form thereof.
Claim 6
Dependent Claim 21 words
A peptide according to claim 1 wherein the peptide is L-leucyl-(3S,4S)-statyl-L-valyl-L-phenylalanine, or the amide or C 1-4 alkyl ester form thereof.
Claim 7
Dependent Claim 21 words
A peptide according to claim 1 wherein the peptide is L-leucyl-(3S,4S)-statyl-L-leucyl-L-phenylalanine, or the amide or C 1-4 alkyl ester form thereof.
Claim 8
Dependent Claim 21 words
A peptide according to claim 1 wherein the peptide is L-leucyl-4(S)-amino-3(S)-hydroxy-5-phenylpentanoyl-L-leucyl-L-phenylalanine, or the amide or C 1-4 alkyl ester form thereof.
Claim 9
Dependent Claim 112 words
A pharmaceutical composition for treating renin-associated hypertension, comprising a pharmaceutical carrier and a therapeutically effective amount of a peptide of the formula: ##STR8## wherein: A is hydrogen; or phenoxyacetyl; R 1 is C 3-6 straight or branched alkyl; C 3-7 cycloalkyl; phenyl; or phenyl monosubstituted with hydroxyl, fluoro, chloro, bromo, methyl, or trifluoromethyl; R 2 is hydrogen; or methyl; R 3 is methyl; or isopropyl; R 4 is phenyl; or 4-hydroxyphenyl; and B is OR; NHR; or NR 2 , where each R may be the same or different and is hydrogen or C 1-4 alkyl; and a pharmaceutically acceptable salt thereof; all of the asymmetric carbon atoms having an S configuration.
Claim 10
Dependent Claim 112 words
A pharmaceutical composition for treating renin-associated hypertension, comprising a pharmaceutical carrier and a therapeutically effective amount of a peptide of the formula: ##STR8## wherein: A is hydrogen; or phenoxyacetyl; R 1 is C 3-6 straight or branched alkyl; C 3-7 cycloalkyl; phenyl; or phenyl monosubstituted with hydroxyl, fluoro, chloro, bromo, methyl, or trifluoromethyl; R 2 is hydrogen; or methyl; R 3 is methyl; or isopropyl; R 4 is phenyl; or 4-hydroxyphenyl; and B is OR; NHR; or NR 2 , where each R may be the same or different and is hydrogen or C 1-4 alkyl; and a pharmaceutically acceptable salt thereof; all of the asymmetric carbon atoms having an S configuration.
Claim 11
Dependent Claim 22 words
A pharmaceutical composition according to claim 8 wherein the peptide is N-phenoxyacetyl-L-leucyl-4(S)-amino-3(S)-hydroxy-5-phenylpentanoyl-L-leucyl-L-phenylalanine, or the amide or C 1-4 alkyl ester form thereof.
Claim 12
Independent Claim 116 words
A method of treating renin-associated hypertension comprising administering to a patient in need of such treatment, a therapeutically effective amount of a peptide of the formula: ##STR9## wherein: A is hydrogen; or phenoxyacetyl; R 1 is C 3-6 straight or branched alkyl; C 3-7 cycloalkyl; phenyl; or phenyl monosubstituted with hydroxyl, fluoro, chloro, bromo, methyl, or trifluoromethyl; R 2 is hydrogen; or methyl; R 3 is methyl; or isopropyl; R 4 is phenyl; or 4-hydroxyphenyl; and B is OR; NHR; or NR 2 , where each R may be the same or different and is hydrogen or C 1-4 alkyl; and a pharmaceutically acceptable salt thereof; all of the asymmetric carbon atoms having an S configuration.
Claim 13
Independent Claim 116 words
A method of treating renin-associated hypertension comprising administering to a patient in need of such treatment, a therapeutically effective amount of a peptide of the formula: ##STR9## wherein: A is hydrogen; or phenoxyacetyl; R 1 is C 3-6 straight or branched alkyl; C 3-7 cycloalkyl; phenyl; or phenyl monosubstituted with hydroxyl, fluoro, chloro, bromo, methyl, or trifluoromethyl; R 2 is hydrogen; or methyl; R 3 is methyl; or isopropyl; R 4 is phenyl; or 4-hydroxyphenyl; and B is OR; NHR; or NR 2 , where each R may be the same or different and is hydrogen or C 1-4 alkyl; and a pharmaceutically acceptable salt thereof; all of the asymmetric carbon atoms having an S configuration.
Claim 14
Dependent Claim 21 words
A method according to claim 10 wherein the peptide is N-phenoxyacetyl-L-leucyl-4(S)-amino-3(S)-hydroxy-5-phenylpentanoyl-L-leucyl-L-phenylalanine, or the amide or C 1-4 alkyl ester form thereof.
Claim 15
Dependent Claim 112 words
A pharmaceutical composition for treating renin-associated hyperaldosteronism, comprising a pharmaceutical carrier and a therapeutically effective amount of a peptide of the formula: ##STR10## wherein: A is hydrogen; or phenoxyacetyl; R 1 is C 3-6 straight or branched alkyl; C 3-7 cycloalkyl; phenyl; or phenyl monosubstituted with hydroxyl, fluoro, chloro, bromo, methyl, or trifluoromethyl; R 2 is hydrogen; or methyl; R 3 is methyl; or isopropyl; R 4 is phenyl; or 4-hydroxyphenyl; and B is OR; NHR; or NR 2 , where each R may be the same or different and is hydrogen or C 1-4 alkyl; and a pharmaceutically acceptable salt thereof; all of the asymmetric carbon atoms having an S configuration.
Claim 16
Dependent Claim 112 words
A pharmaceutical composition for treating renin-associated hyperaldosteronism, comprising a pharmaceutical carrier and a therapeutically effective amount of a peptide of the formula: ##STR10## wherein: A is hydrogen; or phenoxyacetyl; R 1 is C 3-6 straight or branched alkyl; C 3-7 cycloalkyl; phenyl; or phenyl monosubstituted with hydroxyl, fluoro, chloro, bromo, methyl, or trifluoromethyl; R 2 is hydrogen; or methyl; R 3 is methyl; or isopropyl; R 4 is phenyl; or 4-hydroxyphenyl; and B is OR; NHR; or NR 2 , where each R may be the same or different and is hydrogen or C 1-4 alkyl; and a pharmaceutically acceptable salt thereof; all of the asymmetric carbon atoms having an S configuration.
Claim 17
Dependent Claim 22 words
A pharmaceutical composition according to claim 12 wherein the peptide is N-phenoxyacetyl-L-leucyl-4(S)-amino-3(S)-hydroxy-5-phenylpentanoyl-L-leucyl-L-phenylalanine, or the amide or C 1-4 alkyl ester form thereof.
Claim 18
Independent Claim 116 words
A method of treating renin-associated hyperaldosteronism, comprising administering to a patient in need of such treatment, a therapeutically effective amount of a peptide of the formula: ##STR11## wherein: A is hydrogen; or phenoxyacetyl; R 1 is C 3-6 straight or branched alkyl; C 3-7 cycloalkyl; phenyl; or phenyl monosubstituted with hydroxyl, fluoro, chloro, bromo, methyl, or trifluoromethyl; R 2 is hydrogen; or methyl; R 3 is methyl; or isopropyl; R 4 is phenyl; or 4-hydroxyphenyl; and B is OR; NHR; or NR 2 , where each R may be the same or different and is hydrogen or C 1-4 alkyl; and a pharmaceutically acceptable salt thereof; all of the asymmetric carbon atoms having an S configuration.
Claim 19
Independent Claim 116 words
A method of treating renin-associated hyperaldosteronism, comprising administering to a patient in need of such treatment, a therapeutically effective amount of a peptide of the formula: ##STR11## wherein: A is hydrogen; or phenoxyacetyl; R 1 is C 3-6 straight or branched alkyl; C 3-7 cycloalkyl; phenyl; or phenyl monosubstituted with hydroxyl, fluoro, chloro, bromo, methyl, or trifluoromethyl; R 2 is hydrogen; or methyl; R 3 is methyl; or isopropyl; R 4 is phenyl; or 4-hydroxyphenyl; and B is OR; NHR; or NR 2 , where each R may be the same or different and is hydrogen or C 1-4 alkyl; and a pharmaceutically acceptable salt thereof; all of the asymmetric carbon atoms having an S configuration.
Claim 20
Dependent Claim 21 words
A method according to claim 14 wherein the peptide is N-phenoxyacetyl-L-leucyl-4(S)-amino-3(S)-hydroxy-5-phenylpentanoyl-L-leucyl-L-phenylalanine, or the amide or C 1-4 alkyl ester form thereof.
Claim 21
Independent Claim 131 words
A method of determining the presence of renin-associated hypertension in a patient, comprising administering to such a patient, at a hypotensive dosage level and as a single dose, a peptide of the formula: ##STR12## wherein: A is hydrogen; or phenoxyacetyl; R 1 is C 3-6 straight or branched alkyl; C 3-7 cycloalkyl; phenyl; or phenyl monosubstituted with hydroxyl, fluoro, chloro, bromo, methyl, or trifluoromethyl; R 2 is hydrogen; or methyl; R 3 is methyl; or isopropyl; R 4 is phenyl; or 4-hydroxyphenyl; and B is OR; NHR; or NR 2 , where each R may be the same or different and is hydrogen or C 1-4 alkyl; and a pharmaceutically acceptable salt thereof; all of the asymmetric carbon atoms having an S configuration; followed by monitoring of said patient's blood pressure.
Claim 22
Independent Claim 131 words
A method of determining the presence of renin-associated hypertension in a patient, comprising administering to such a patient, at a hypotensive dosage level and as a single dose, a peptide of the formula: ##STR12## wherein: A is hydrogen; or phenoxyacetyl; R 1 is C 3-6 straight or branched alkyl; C 3-7 cycloalkyl; phenyl; or phenyl monosubstituted with hydroxyl, fluoro, chloro, bromo, methyl, or trifluoromethyl; R 2 is hydrogen; or methyl; R 3 is methyl; or isopropyl; R 4 is phenyl; or 4-hydroxyphenyl; and B is OR; NHR; or NR 2 , where each R may be the same or different and is hydrogen or C 1-4 alkyl; and a pharmaceutically acceptable salt thereof; all of the asymmetric carbon atoms having an S configuration; followed by monitoring of said patient's blood pressure.

References Cited (Backward Citations)

US3784686A Cited
US3873681A Cited
US4185096A Cited
US4269827A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1986-05-23 1986-11-22 1987-05-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1990-05-23 1990-11-22 1991-05-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1994-05-23 1994-11-22 1995-05-24 $7700.00 Window Closed / Lapsed

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