Patent US4470971A successfully refreshed from Google Patents.
← Back to Patent Explorer
US4470971A Expired / Lapsed US ⏱️ 0.0 years remaining

Renin inhibitory peptides having His13

Assignee: Merck and Co Inc
•
Filing: 1982-09-03
•
Granted: 1984-09-11
•
Expires: 2002-09-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Renin inhibitory peptides of the formula <IMAGE> (I) and analogs thereof inhibit renin and are useful for treating various forms of renin-associated hypertension and hyperaldosteronism.

Inventors

  • 👤 Joshua S. Boger
  • 👤 Daniel F. Veber

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 13:50
CPC Classifications
C; C07; C07K; C07K5/00; C07K5/02; C07K5/0227; C07K7/00; C07K7/02; A; A61; A61K; A61K38/00; Y; Y10; Y10S; Y10S530/00; Y10S530/86

Claims Analysis

Total Claims: 18
Claim 1
Independent Claim 258 words
A peptide of the formula: ##STR15## wherein: A is hydrogen; ##STR16## where n is 0 to 5 and R 3 has the same meaning as set out further below, and may additionally be hydrogen; B is absent; glycyl; sarcosyl; or ##STR17## D is absent; or ##STR18## where Z is (CH 2 ) n and n is 1 or 2; or --S--; R 1 is hydrogen; C 1-4 alkyl; hydroxy C 1-4 alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; indolyl; 4-imidazolyl; amine C 2-4 alkyl; guanidyl C 2-3 alkyl; or methylthiomethyl; R 2 is hydrogen C 1-4 ; alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; or indolyl; R 3 is C 3-6 alkyl; C 3-7 cycloalkyl; phenyl; or phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; R 4 is hydrogen; or ##STR19## where R' is hydrogen; C 1-4 alkyl; hydroxy; or C 3-7 cycloalkyl; R 5 is 4-imidazolyl; amino C 2-4 alkyl; 2-, 3-, or 4-pyridyl; or guanidyl C 2-3 alkyl; and E is OR"; NHR", or N(R") 2 , where each R" may be the same or different and is hydrogen or C 1-4 alkyl; wherein all of the asymmetric carbon atoms have an S configuration, except those of substituents B and D, which may also have the R configuration; and a pharmaceutically acceptable salt thereof.
Claim 2
Dependent Claim 258 words
A peptide of the formula: ##STR15## wherein: A is hydrogen; ##STR16## where n is 0 to 5 and R 3 has the same meaning as set out further below, and may additionally be hydrogen; B is absent; glycyl; sarcosyl; or ##STR17## D is absent; or ##STR18## where Z is (CH 2 ) n and n is 1 or 2; or --S--; R 1 is hydrogen; C 1-4 alkyl; hydroxy C 1-4 alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; indolyl; 4-imidazolyl; amine C 2-4 alkyl; guanidyl C 2-3 alkyl; or methylthiomethyl; R 2 is hydrogen C 1-4 ; alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; or indolyl; R 3 is C 3-6 alkyl; C 3-7 cycloalkyl; phenyl; or phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; R 4 is hydrogen; or ##STR19## where R' is hydrogen; C 1-4 alkyl; hydroxy; or C 3-7 cycloalkyl; R 5 is 4-imidazolyl; amino C 2-4 alkyl; 2-, 3-, or 4-pyridyl; or guanidyl C 2-3 alkyl; and E is OR"; NHR", or N(R") 2 , where each R" may be the same or different and is hydrogen or C 1-4 alkyl; wherein all of the asymmetric carbon atoms have an S configuration, except those of substituents B and D, which may also have the R configuration; and a pharmaceutically acceptable salt thereof.
Claim 3
Dependent Claim 13 words
A peptide according to claim 1 wherein the peptide is iso-butyryl-His-Pro-Phe-His-Sta-Val-His-Gly-NH 2 .
Claim 4
Dependent Claim 13 words
A peptide according to claim 1 wherein the peptide is iso-butyryl-His-Pro-Phe-His-Sta-Ile-His-NH 2 .
Claim 5
Dependent Claim 13 words
A peptide according to claim 1 wherein the peptide is tert-butyloxycarbonyl-Phe-His-Sta-Ile-His-NH 2 .
Claim 6
Dependent Claim 13 words
A peptide according to claim 1 wherein the peptide is benzyloxycarbonyl-Phe-His-Sta-Ile-His-NH 2 .
Claim 7
Dependent Claim 13 words
A peptide according to claim 1 wherein the peptide is iso-valeryl-His-Pro-Phe-His-Sta-Ile-His-NH 2 .
Claim 8
Dependent Claim 13 words
A peptide according to claim 1 wherein the peptide is iso-valeryl-His-Pro-Phe-His-Sta-Leu-His-NH 2 .
Claim 9
Dependent Claim 274 words
A pharmaceutical composition for treating renin-associated hypertension, comprising a pharmaceutical carrier and a therapeutically effective amount of a peptide of the formula: ##STR20## wherein: A is hydrogen; ##STR21## where n is 0 to 5 and R 3 has the same meaning as set out further below, and may additionally be hydrogen; B is absent; glycyl; sarcosyl; or ##STR22## D is absent; or ##STR23## where Z is (CH 2 ) n and n is 1 or 2; or --S--; R 1 is hydrogen; C 1-4 alkyl; hydroxy C 1-4 alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; indolyl; 4-imidazolyl; amine C 2-4 alkyl; guanidyl C 2-3 alkyl; or methylthiomethyl; R 2 is hydrogen C 1-4 ; alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; or indolyl; R 3 is C 3-6 alkyl; C 3-7 cycloalkyl; phenyl; or phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; R 4 is hydrogen; or ##STR24## where R' is hydrogen; C 1-4 alkyl; hydroxy; or C 3-7 cycloalkyl; R 5 is 4-imidazolyl; amino C 2-4 alkyl; 2-, 3-, 4-pyridyl; or guanidyl C 2-3 alkyl; and E is OR"; NHR", or N(R") 2 , where each R" may be the same or different and is hydrogen or C 1-4 alkyl; wherein all of the asymmetric carbon atoms have an S configuration, except those of substituents B and D, which may also have the R configuration; and a pharmaceutically acceptable salt thereof.
Claim 10
Dependent Claim 274 words
A pharmaceutical composition for treating renin-associated hypertension, comprising a pharmaceutical carrier and a therapeutically effective amount of a peptide of the formula: ##STR20## wherein: A is hydrogen; ##STR21## where n is 0 to 5 and R 3 has the same meaning as set out further below, and may additionally be hydrogen; B is absent; glycyl; sarcosyl; or ##STR22## D is absent; or ##STR23## where Z is (CH 2 ) n and n is 1 or 2; or --S--; R 1 is hydrogen; C 1-4 alkyl; hydroxy C 1-4 alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; indolyl; 4-imidazolyl; amine C 2-4 alkyl; guanidyl C 2-3 alkyl; or methylthiomethyl; R 2 is hydrogen C 1-4 ; alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; or indolyl; R 3 is C 3-6 alkyl; C 3-7 cycloalkyl; phenyl; or phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; R 4 is hydrogen; or ##STR24## where R' is hydrogen; C 1-4 alkyl; hydroxy; or C 3-7 cycloalkyl; R 5 is 4-imidazolyl; amino C 2-4 alkyl; 2-, 3-, 4-pyridyl; or guanidyl C 2-3 alkyl; and E is OR"; NHR", or N(R") 2 , where each R" may be the same or different and is hydrogen or C 1-4 alkyl; wherein all of the asymmetric carbon atoms have an S configuration, except those of substituents B and D, which may also have the R configuration; and a pharmaceutically acceptable salt thereof.
Claim 11
Independent Claim 279 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: ##STR25## wherein: A is hydrogen; ##STR26## where n is 0 to 5 and R 3 has the same meaning as set out further below, and may additionally be hydrogen; B is absent; glycyl; sarcosyl; or ##STR27## D is absent; or ##STR28## where Z is (CH 2 ) n and n is 1 or 2; or --S--; R 1 is hydrogen; C 1-4 alkyl; hydroxy C 1-4 alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; indolyl; 4-imidazolyl; amine C 2-4 alkyl; guanidyl C 2-3 alkyl; or methylthiomethyl; R 2 is hydrogen C 1-4 ; alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; or indolyl; R 3 is C 3-6 alkyl; C 3-7 cycloalkyl; phenyl; or phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; R 4 is hydrogen; or ##STR29## where R' is hydrogen; C 1-4 alkyl; hydroxy; or C 3-7 cycloalkyl R 5 is 4-imidazolyl; amino C 2-4 alkyl; 2-, 3-, or 4-pyridyl; or guanidyl C 2-3 alkyl; and E is OR", NHR", or N(R") 2 , where each R" may be the same or different and is hydrogen or C 1-4 alkyl; wherein all of the asymmetric carbon atoms have an S configuration, except those of substituents B and D, which may also have the R configuration; and a pharmaceutically acceptable salt thereof.
Claim 12
Independent Claim 279 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: ##STR25## wherein: A is hydrogen; ##STR26## where n is 0 to 5 and R 3 has the same meaning as set out further below, and may additionally be hydrogen; B is absent; glycyl; sarcosyl; or ##STR27## D is absent; or ##STR28## where Z is (CH 2 ) n and n is 1 or 2; or --S--; R 1 is hydrogen; C 1-4 alkyl; hydroxy C 1-4 alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; indolyl; 4-imidazolyl; amine C 2-4 alkyl; guanidyl C 2-3 alkyl; or methylthiomethyl; R 2 is hydrogen C 1-4 ; alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; or indolyl; R 3 is C 3-6 alkyl; C 3-7 cycloalkyl; phenyl; or phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; R 4 is hydrogen; or ##STR29## where R' is hydrogen; C 1-4 alkyl; hydroxy; or C 3-7 cycloalkyl R 5 is 4-imidazolyl; amino C 2-4 alkyl; 2-, 3-, or 4-pyridyl; or guanidyl C 2-3 alkyl; and E is OR", NHR", or N(R") 2 , where each R" may be the same or different and is hydrogen or C 1-4 alkyl; wherein all of the asymmetric carbon atoms have an S configuration, except those of substituents B and D, which may also have the R configuration; and a pharmaceutically acceptable salt thereof.
Claim 13
Dependent Claim 276 words
A pharmaceutical composition for treating renin-associated hyperaldosteronism, comprising a pharmaceutical carrier and a therapeutically effective amount of a peptide of the formula ##STR30## wherein: A is hydrogen; ##STR31## where n is 0 to 5 and R 3 has the same meaning as set out further below, and may additionally be hydrogen; B is absent; glycyl; sarcosyl; or ##STR32## D is absent; or ##STR33## where Z is (CH 2 ) n and n is 1 or 2; or --S--; R 1 is hydrogen; C 1-4 alkyl; hydroxy C 1-4 alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; indolyl; 4-imidazolyl; amine C 2-4 alkyl; guanidyl C 2-3 alkyl; or methylthiomethyl; R 2 is hydrogen C 1-4 ; alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; or indolyl; R 3 is C 3-6 alkyl; C 3-7 cycloalkyl; phenyl; or phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; R 4 is hydrogen; or ##STR34## where R' is hydrogen; C 1-4 alkyl; hydroxy; or C 3-7 cycloalkyl; R 5 is 4-imidazolyl; amino C 2-4 alkyl; 2- , 3-, or 4-pyridyl; or guanidyl C 2-3 alkyl; and E is OR"; NHR", or N(R") 2 , where each R" may be the same or different and is hydrogen or C 1-4 alkyl; wherein all of the asymmetric carbon atoms have an S configuration, except those of substituents B and D, which may also have the R configuration; and a pharmaceutically acceptable salt thereof.
Claim 14
Dependent Claim 276 words
A pharmaceutical composition for treating renin-associated hyperaldosteronism, comprising a pharmaceutical carrier and a therapeutically effective amount of a peptide of the formula ##STR30## wherein: A is hydrogen; ##STR31## where n is 0 to 5 and R 3 has the same meaning as set out further below, and may additionally be hydrogen; B is absent; glycyl; sarcosyl; or ##STR32## D is absent; or ##STR33## where Z is (CH 2 ) n and n is 1 or 2; or --S--; R 1 is hydrogen; C 1-4 alkyl; hydroxy C 1-4 alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; indolyl; 4-imidazolyl; amine C 2-4 alkyl; guanidyl C 2-3 alkyl; or methylthiomethyl; R 2 is hydrogen C 1-4 ; alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; or indolyl; R 3 is C 3-6 alkyl; C 3-7 cycloalkyl; phenyl; or phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; R 4 is hydrogen; or ##STR34## where R' is hydrogen; C 1-4 alkyl; hydroxy; or C 3-7 cycloalkyl; R 5 is 4-imidazolyl; amino C 2-4 alkyl; 2- , 3-, or 4-pyridyl; or guanidyl C 2-3 alkyl; and E is OR"; NHR", or N(R") 2 , where each R" may be the same or different and is hydrogen or C 1-4 alkyl; wherein all of the asymmetric carbon atoms have an S configuration, except those of substituents B and D, which may also have the R configuration; and a pharmaceutically acceptable salt thereof.
Claim 15
Independent Claim 279 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: ##STR35## wherein: A is hydrogen; ##STR36## where n is 0 to 5 and R 3 has the same meaning as set out further below, and may additionally be hydrogen; B is absent; glycyl; sarcosyl; or ##STR37## D is absent; or ##STR38## where Z is (CH 2 ) n and n is 1 or 2; or --S--; R 1 is hydrogen; C 1-4 alkyl; hydroxy C 1-4 alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; indolyl; 4-imidazolyl; amine C 2-4 alkyl; guanidyl C 2-3 alkyl; or methylthiomethyl; R 2 is hydrogen C 1-4 ; alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; or indolyl; R 3 is C 3-6 alkyl; C 3-7 cycloalkyl; phenyl; or phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; R 4 is hydrogen; or ##STR39## where R" is hydrogen; C 1-4 alkyl; hydroxy; or C 3-7 cycloalkyl; R 5 is 4-imidazolyl; amino C 2-4 alkyl; 2-, 3-, or 4-pyridyl; or guanidyl C 2-3 alkyl; and E is OR"; NHR", or N(R") 2 , where each R" may be the same or different and is hydrogen or C 1-4 alkyl; wherein all of the asymmetric carbon atoms have an S configuration, except those of substituents B and D, which may also have the R configuration; and a pharmaceutically acceptable salt thereof.
Claim 16
Independent Claim 279 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: ##STR35## wherein: A is hydrogen; ##STR36## where n is 0 to 5 and R 3 has the same meaning as set out further below, and may additionally be hydrogen; B is absent; glycyl; sarcosyl; or ##STR37## D is absent; or ##STR38## where Z is (CH 2 ) n and n is 1 or 2; or --S--; R 1 is hydrogen; C 1-4 alkyl; hydroxy C 1-4 alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; indolyl; 4-imidazolyl; amine C 2-4 alkyl; guanidyl C 2-3 alkyl; or methylthiomethyl; R 2 is hydrogen C 1-4 ; alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; or indolyl; R 3 is C 3-6 alkyl; C 3-7 cycloalkyl; phenyl; or phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; R 4 is hydrogen; or ##STR39## where R" is hydrogen; C 1-4 alkyl; hydroxy; or C 3-7 cycloalkyl; R 5 is 4-imidazolyl; amino C 2-4 alkyl; 2-, 3-, or 4-pyridyl; or guanidyl C 2-3 alkyl; and E is OR"; NHR", or N(R") 2 , where each R" may be the same or different and is hydrogen or C 1-4 alkyl; wherein all of the asymmetric carbon atoms have an S configuration, except those of substituents B and D, which may also have the R configuration; and a pharmaceutically acceptable salt thereof.
Claim 17
Independent Claim 295 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: ##STR40## wherein: A is hydrogen; ##STR41## where n is 0 to 5 and R 3 has the same meaning as set out further below, and may additionally be hydrogen; B is absent; glycyl; sarcosyl; or ##STR42## D is absent; or ##STR43## where Z is (CH 2 ) n and n is 1 or 2; or --S--; R 1 is hydrogen; C 1-4 alkyl; hydroxy C 1-4 alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; indolyl; 4-imidazolyl; amine C 2-4 alkyl; guanidyl C 2-3 alkyl; or methylthiomethyl; R 2 is hydrogen C 1-4 ; alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; or indolyl; R 3 is C 3-6 alkyl; C 3-7 cycloalkyl; phenyl; or phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; R 4 is hydrogen; or ##STR44## where R' is hydrogen; C 1-4 alkyl; hydroxy; or C 3-7 cycloalkyl; R 5 is 4-imidazolyl; amino C 2-4 alkyl; 2-, 3- , or 4-pyridyl; or guanidyl C 2-3 alkyl; and E is OR"; NHR", or N(R") 2 , where each R" may be the same or different and is hydrogen or C 1-4 alkyl; wherein all of the asymmetric carbon atoms have an S configuration, except those of substituents B and D, which may also have the R configuration; and a pharmaceutically acceptable salt thereof; followed by monitoring of said patient's blood pressure.
Claim 18
Independent Claim 295 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: ##STR40## wherein: A is hydrogen; ##STR41## where n is 0 to 5 and R 3 has the same meaning as set out further below, and may additionally be hydrogen; B is absent; glycyl; sarcosyl; or ##STR42## D is absent; or ##STR43## where Z is (CH 2 ) n and n is 1 or 2; or --S--; R 1 is hydrogen; C 1-4 alkyl; hydroxy C 1-4 alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; indolyl; 4-imidazolyl; amine C 2-4 alkyl; guanidyl C 2-3 alkyl; or methylthiomethyl; R 2 is hydrogen C 1-4 ; alkyl; phenyl; phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; or indolyl; R 3 is C 3-6 alkyl; C 3-7 cycloalkyl; phenyl; or phenyl mono-substituted with a member selected from the group consisting of methyl, trifluoromethyl, hydroxy, methoxy, fluoro, chloro, bromo, and iodo; R 4 is hydrogen; or ##STR44## where R' is hydrogen; C 1-4 alkyl; hydroxy; or C 3-7 cycloalkyl; R 5 is 4-imidazolyl; amino C 2-4 alkyl; 2-, 3- , or 4-pyridyl; or guanidyl C 2-3 alkyl; and E is OR"; NHR", or N(R") 2 , where each R" may be the same or different and is hydrogen or C 1-4 alkyl; wherein all of the asymmetric carbon atoms have an S configuration, except those of substituents B and D, which may also have the R configuration; and a pharmaceutically acceptable salt thereof; followed by monitoring of said patient's blood pressure.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-09-11 1988-03-12 1988-09-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-09-11 1992-03-12 1992-09-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-09-11 1996-03-12 1996-09-11 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag