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EP0478328A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Novel fibrinogen receptor antagonists

Assignee: Merck and Co Inc
•
Filing: 1991-09-26
•
Granted: —
•
Expires: 2011-09-26
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Abstract

Abstract A series of non-peptide derivatives that are antagonists of the fibrinogen IIb/IIIa receptor and thus are platelet aggregation compounds useful in the prevention and treatment of diseases caused by thrombus formation.

Inventors

  • 👤 Melissa S. Egbertson
  • 👤 George D. Hartman
  • 👤 Wasyl Halczenko
  • 👤 William L. Laswell

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-02 09:35
CPC Classifications
C; C07; C07C; C07C235/00; C07C235/02; C07C235/04; C07C235/12; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088; A; A61; A61P; A61P7/00; A61P7/02; C07C271/00; C07C271/06; C07C271/08; C07C271/10; C07C271/22; C07C317/00; C07C317/26; C07C317/28; C07C325/00; C07C325/02; C07C327/00; C07C327/20; C07C327/22; C07C327/38; C07C327/48; C07D211/00; C07D211/04; C07D211/06; C07D211/08; C07D211/18; C07D211/20; C07D211/22; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/3804; C07F9/3882; C07F9/547; C07F9/553; C07F9/576; C07F9/60; C07F9/645; C07F9/6509; C07F9/650952; C07F9/6558; C07F9/65583; C07F9/65586; C07C2601/00; C07C2601/06; C07C2601/08; C07C2601/12; C07C2601/14

Claims Analysis

Total Claims: 20
Claim 1
Independent Claim 591 words
A compound of the formula and the pharmaceutically acceptable salts thereof, wherein R¹ is a four to eight member heterocyclic ring containing 1, 2, 3 or 4 hetero atoms wherein said heteroatoms are N, O or S and wherein said heterocyclic ring is optionally substituted at any atom by H, R⁶ or R⁷; NR⁶R⁷ wherein R⁶ and R⁷ are independently hydrogen, C₁₋₁₀ alkoxycarbonyl or unsubstituted or substituted C₁₋₁₀ alkyl and cycloalkyl wherein said substituents are C₁₋₁₀ alkoxy, C₁₋₁₀ alkoxyalkyl, C₁₋₁₀ alkoxyalkyloxy, C₁₋₁₀ alkoxycarbonyl, C₁₋₁₀ alkylcarbonyl, C₀₋₆ alkylaminocarbonyl, C₁₋₁₀ aralkylcarbonyl, C₁₋₁₀ alkylthiocarbonyl, C₄₋₁₀ aralkylthiocarbonyl, thiocarbonyl, C₁₋₁₀ alkoxythiocarbonyl, aryl, 5 to 6 membered saturated heterocyclic rings of 1, 2, 3 or 4 hetero atoms wherein said hetero atoms are taken from the group consisting of N, O and S, C₁₋₄ alkanoylamino, C₁₋₆ alkoxycarbonyl-C₀₋₆ alkylamino, C₁₋₁₀ alkylsulfonylamino, C₄₋₁₀ aralkylsulfonylamino, C₄₋₁₀ aralkyl, C₁₋₁₀ alkaryl, C₁₋₁₀ alkylthio, C₄₋₁₀ aralkylthio, C₁₋₁₀ alkylsulfinyl, C₄₋₁₀ aralkylsulfinyl, C₁₋₁₀ alkylsulfonyl, C₄₋₁₀ aralkylsulfonyl, aminosulfonyl, C₁₋₁₀ alkylaminosulfonyl, C₄₋₁₀ aralkylsulfonylamino, oxo, thio, unsubstituted or mono- or di-substituted 1-ethenyl, 2-ethenyl or 3-propenyl wherein said substituents are selected from the group consisting of hydrogen, C₁₋₁₀ alkyl and C₇₋₁₀ aralkyl, carboxy, hydroxy, amino, C₁₋₆ alkylamino, C₁₋₆ dialkylamino, halogen, where halogen is defined as Cl, F, Br, or I, nitro, or cyano, and further wherein said N can additionally be substituted to form a quaternary ammonium ion wherein said substituent is as previously defined for R⁶ and R⁷; R² and R³ are independently hydrogen, aryl or unsubstituted or substituted C₀₋₁₀ alkyl or cycloalkyl wherein said substituent is C₁₋₁₀ alkoxyalkyl, aryl, a 4 to 8 membered heterocyclic ring containing 1, 2, 3 or 4 hetero atoms, wherein said hetero atoms are taken from the group consisting of N, O and S, C₄₋₁₀ aralkyl, C₁₋₁₀ alkaryl, carboxy, C₁₋₁₀ alkylcarbonyl, C₁₋₁₀ alkylthiocarbonyl, C₄₋₁₀ aralkylcarbonyl, C₄₋₁₀ aralkylthiocarbonyl, C₁₋₆ alkoxycarbonyl, C₄₋₁₀ aralkoxycarbonyl, C₁₋₆ alkoxy, C₄₋₁₀ aralkoxy, C₁₋₆ alkylamino, C₁₋₁₂ dialkylamino, C₁₋₆ alkanoylamino, C₄₋₁₂ aralkanoylamino, C₄₋₁₀ aralkylamino; R⁴ is hydrogen, aryl, C₁₋₁₀ alkyl or cycloalkyl C₄₋₁₀ aralkyl, arylcarbonyl, aminocarbonyl, C₁₋₁₀ alkylcarbonyl, C₁₋₆alkylaminocarbonyl, C₁₋₁₀ alkylthiocarbonyl, C₁₋₆dialkylaminocarbonyl, C₁₋₁₀ alkoxythiocarbonyl, arylC₁₋₆alkylaminocarbonyl, C₁₋₁₀ alkoxycarbonyl, C₄₋₁₀ aralkylcarbonyl, C₄₋₁₀ aralkoxycarbonyl, C₁₋₁₀ carboxylalkyl and further wherein any of the substitutents for R⁴ may be substituted by one or more substituents selected from the group as defined for R⁶, or an L- or D-amino acid joined by an amide linkage; R⁵ is a four to eight membered saturated or unsaturated heterocyclic ring containing 1, 2, 3 or 4 hetero atoms wherein said hetero atoms are N, O, or S or, wherein R⁸ is hydroxy, C₁₋₁₀ alkyloxy, C₁₋₁₀ alkaryloxy, C₄₋₁₀ aralkyloxy, C₄₋₁₀ aralkylcarbonyloxy, C₁₋₁₀ alkoxyalkyloxy, C₁₋₁₀ alkoxyalkylcarbonyloxy, C₁₋₁₀ alkoxycarbonyloxyalkyl, C₁₋₁₀ alkylcarbonyloxyalkyloxy, an L- or D-amino acid joined by an amide linkage, and wherein the carboxylic acid moiety of said amino acid is as the free acid or is esterified by C₁₋₆alkyl. wherein R⁹ and R¹⁰ are selected from the group consisting of hydrogen, C₁₋₁₀ alkyl and C₄₋₁₀ aralkyl; X and Y are optional substituents that, when present, are NR⁶, O, S, SO, SO₂, oxo, aryl, thiono, unsubstituted or substituted C₁₋₁₅ alkyl or cycloalkyl wherein said substituents are independently R⁶ and R⁷, -NR⁶-SO₂-,   -SO₂-NR⁶-, or a 4- to 8- membered heterocyclic ring containing 1, 2, 3, or 4 heteroatoms wherein said atoms are N, 0, or S and wherein said ring is independently substituted at any atom with R⁶; Z is an optional substituent that, when present, is independently chosen as defined by X and Y; m is an integer of from zero to ten; n is an integer of from zero to ten; and p is an integer of from zero to three.
Claim 2
Dependent Claim 255 words
A compound of the structural formula and the pharmaceutically acceptable salts thereof, wherein R¹ is a four to eight member heterocyclic ring containing 1, 2, 3 or 4 hetero atoms wherein said heteroatoms are N, 0, or S and and wherein said heterocyclic ring is optionally substituted by hydrogen, C₁₋₁₀ alkyl; or NR⁶R⁷ wherein R⁶ and R⁷ are independently hydrogen, C₁₋₁₀ alkoxycarbonyl or unsubstituted or substituted C₁₋₁₀ alkyl wherein said substituent is C₁₋₁₀ alkoxy, C₁₋₁₀ alkoxycarbonyl, aryl, C₄₋₁₀ aralkyl, C₁₋₁₀ alkaryl, carboxy, hydroxy or amino, and further wherein said N can additionally be substituted to form a quaternary ammonium ion; R² and R³ are independently hydrogen or C₁₋₁₀ alkyl; or C₄₋₁₀ aralkyl; R⁴ is hydrogen, C₁₋₁₀ alkyl, C₄₋₁₀ aralkyl, arylcarbonyl, aralkylcarbonyl C₁₋₁₀ alkylcarbonyl, C₁₋₁₀ alkoxycarbonyl, C₄₋₁₀ aralkylcarbonyl, C₄₋₁₀ aralkoxycarbonyl or and further wherein any of the substituents for R⁴ may be substituted by one or more substituents from the group defined as R⁶ in Claim 1; R¹¹ is hydrogen or C₁₋₁₀ alkyl; X and Y are independently O, S, SO SO₂, aryl, -CH=CH-, OXO, -NR⁶SO₂-; -SO₂NR⁶- unsubstituted or substituted C₁₋₁₅ straight or branched alkyl either substituted or unsubstituted with carboxy, hydroxy, C₁₋₁₀ alkoxy, or a 4- to 6- membered heterocyclic ring containing 1, 2 or 3 heteroatoms chosen from N, O or S, Z is an optional substituent that, when present, is C₁₋₁₀ straight or branched alkyl; m is an integer of from zero to six; n is an integer of from zero to six; and p is an integer of from zero to three.
Claim 3
Dependent Claim 216 words
A compound of the structural formula and the pharmaceutically acceptable salts thereof, wherein R¹ is a five to six member heterocyclic ring containing 1 or 2 heteroatoms wherein said heteroatoms are N and wherein said heterocyclic ring is optionally substituted by C₁₋₅ alkyl; or NR⁶R⁷ wherein R⁶ and R⁷ are independently hydrogen, unsubstituted or substituted C₁₋₁₀ alkyl wherein said substituent is C₁₋₁₀ alkoxycarbonyl, aryl, C₁₋₁₀ aralkyl, and further wherein said N can additionally be substituted to form a quaternary ammonium ion; R² and R³ are hydrogen; R⁴ is arylcarbonyl, C₁₋₁₀ alkylcarbonyl, aralkylcarbonyl C₁₋₁₀ alkoxycarbonyl, C₄₋₁₀ aralkylcarbonyl, C₄₋₁₀ aralkoxycarbonyl or and further wherein the substituents for R⁴ may be unsubstituted by one or more substituents from the group defined as R⁶ in Claim 1; R¹¹ is hydrogen or C₁₋₁₀ alkyl; X and Y are independently 0, SO₂, aryl; NR⁶CO-; -CONR⁶- -CH=CH-, unsubstituted or substituted C₁₋₁₅ straight or branched alkyl wherein said substituent is hydroxy, or a 4- to 6- membered heterocyclic ring containing 1 or 2 heteroatoms chosen from N, O or S; Z is an optional substituent that, when present, is O or C₁₋₁₀ straight or branched alkyl; m is an integer of from zero to six; n is an integer of from zero to one; and p is an integer of from zero to one.
Claim 4
Dependent Claim 139 words
A compound of the structural formula and the pharmaceutically acceptable salts thereof, wherein R¹ is a six member saturated heterocyclic ring containing 1 or 2 heteroatoms wherein said heterocyclic atoms are N and wherein said heterocyclic ring is optionally substituted by C₁₋₅ alkyl; or NR⁶R⁷ wherein R⁶ and R⁷ are independently hydrogen or C₁₋₁₀ alkyl; R⁴ is arylcarbonyl, C₁₋₁₀ alkylcarbonyl, C₄₋₁₀ aralkylcarbonyl C₁₋₁₀ alkoxycarbonyl, C₄₋₁₀ aralkylcarbonyl or C₄₋₁₀ aralkoxycarbonyl, and further wherein any of the substituents for R⁴ may be substituted by one or more substituents from the group defined as R⁶ in Claim 1, X and Y are independently -CH=CH- or C₁₋₁₀ straight or branched alkyl; Z is an optional substituent that, when present, is O or C₁₋₅ straight or branched alkyl; m is an integer of from zero to six; n is one; and p is zero.
Claim 5
Dependent Claim 105 words
A compound as claimed in Claim 1, selected from the group consisting of: 2-S-(6-N-Benzyloxycarbonylamino)-3-[4-(3-chloropropyloxy)phenyl] propionic acid; 2-S-(N-Benzyloxycarbonylamino)-3-[4-(N,N,2,2-tetramethyl-1,3-propanediamino)propyloxyphenyl]propionic acid; 2-S-(N-Benzyloxycarbonylamino)-3-[4-(3-N-pyrolidinyl-propyloxy)phenyl)propionic acid ; 2-S-(N-Benzyloxycarbonylamino)-[4-(3-N-methyl-N-benzylaminopropyloxyphenyl)propionic acid; 2-S-(N-Benzyloxycarbonylamino)-3-[4-(4-piperazinyl)butyloxyphenyl]propionic acid; 2-S-(N-Benzyloxycarbonylamino)-3-[4-(1,1,4,4-tetramethylbutylamino)propyloxyphenyl]propionic acid; 2-S-(N-Benzyloxycarbonyl)-3-[4-(4-methylpiperazin-1-yl)propyloxyphenyl]propanoic acid; 2-(N-Benzyloxycarbonylamino)-3-[4-(5-bromopentyloxy)phenyl]propionic acid ; 2-S-(N-Benzyloxycarbonylamino)-3[4-(4-piperazin-1-yl)pentyloxyphenyl]propionic acid; 2-S-(N-Benzyloxycarbonylamino)-3-[4-(6-aminohexyloxyphenyl)]propionic acid hydrochloride; 2-S-(N-Benzyloxycarbonylamino)-3-[4-(7-aminohexyloxy)phenyl]propionic acid hydrochloride; 2-S-(N-Benzyloxycarbonylamino)-3-[4-(8-aminooctyloxy)phenyl]propionic acid; 2-S-(N-Benzyloxycarbonylamino)-3-[4-(5-aminopentyloxy)phenyl]propionic acid hydrochloride; 2-S-(N-Benzyloxycarbonylamino)-3-[4-(4-piperidinylbutyloxy)phenyl]propionic acid; 2-S-Phenylcarbonylamino-3-[4-(6-aminohexyloxy)phenyl]propionic acid hydrochloride; 2-S-Phenethylcarbonylamino-3-[4-(6-aminohexyloxy)phenyl]propanoic acid hydrochloride; 2-S-(Phenylacetylamino)-3-[4-(6-aminohexyloxy)phenyl]propionic acid; 2-S-(2-Carboxy-3-phenylpropionylamino)-3-[4-(6-aminohexyloxy)phenyl]propionic acid; 2-S-(Hexanoylamino)-3-[4-(6-aminohexyloxy)phenyl]propionic acid Hydrochloride; 2-S-(Naphthanoylamino)-3-[4-(6-aminohexyloxy)phenyl]propionic acid; 2-S-(Butanoylamino)-3-[4-(6-aminohexyloxy)phenyl]propionic acid; 2-S-(Heptanoylamino)-3-[4-(6-aminohexyloxy)phenyl]propionic acid hydrochloride ; 2-(S)-(5-Phenylpentanoylamino)-3-[4-(6-t-butyloxycarbonylaminohexyloxy)phenyl]propionic acid; 2-S-(5-Phenylpentanoylamino)-3-[4-(6-aminohexyloxy)phenyl]propionic acid hydrochloride; 2-S-(3-Carboxypropanoyl)amino-3-[4-(6-aminohexyloxy)phenyl]propionic acid hydrochloride; 2-S-(Acetylamino)-3-[4-(6-aminohexyloxy)phenyl]propionic acid hydrochloride; 2-S-(N-Benzyloxycarbonylamino)-3-[4-(4-piperidinyl)but-2-enyloxyphenyl]propionic acid; 2-S-(N-t-Butyloxycarbonylamino)-3-[4-(4-hydroxybut-1-ynyl)phenyl]propionic acid; 2-S-(N-t-Butyloxycarbonylamino)-3-[4-(4-hydroxybutyl)phenyl]propionic acid; 2-S-(N-t-Butyloxycarbonylamino)-3-[4-(4-t-butylaminobutyl)phenyl]propionic acid; 2-S-(Pentanoylamino)-3-[4-(4-piperidin-4-ylbutyloxy)phenyl]propionic acid hydrochloride; 2-S-(Hexanoylamino)-3-[4-(4-piperidin-4-ylbutyloxy)phenyl]propionic acid; 2-S-(5-Aminopentanoyl)amino-3-[4-(6-aminohexyloxy)phenyl)]propionic acid dihydrochloride; Methyl 2-S-(4-Carbomethoxybutanoyl)amino-3-[4-(N-t-butyloxycarbonylaminohexyloxy)phenyl]propionate; 2-S-(4-Carboxybutanoylamino)-3-[4-(6-aminohexyloxy) phenyl]propionic acid; and 2-S-(3-Carboxypropanoyl)amino-3-[4-(6-aminohexyloxy) phenyl]propionic acid hydrochloride.
Claim 6
Dependent Claim 28 words
The use of a compound as claimed in claim 1 for the manufacture of a medicament for blocking fibrinogen from acting at its receptor site in a mamal.
Claim 7
Dependent Claim 25 words
The use of a compound as claimed in claim 1 for the manufacture of a medicament for prevention or treatment of thrombus and embolus formation.
Claim 8
Dependent Claim 22 words
The use of a compound as claimed in claim 1 for the manufacture of a medicament for inhibiting aggregation of blood platelets.
Claim 9
Dependent Claim 30 words
The use of a compound as claimed in claim 1 together with an anti-coagulant agent for the manufacture of a medicament for prevention or treatment of thrombus and embolus formation.
Claim 10
Dependent Claim 27 words
The use of a compound as claimed in claim 1 together with an anti-coagulant agent for the manufacture of a medicament for inhibiting aggregation of blood platelets.
Claim 11
Dependent Claim 30 words
The use of a compound as claimed in claim 1 together with a thrombolytic agent for the manufacture of a medicament for prevention or treatment of thrombus and embolus formation.
Claim 12
Dependent Claim 27 words
The use of a compound as claimed in claim 1 together with a thrombolytic agent for the manufacture of a medicament for inhibiting aggregation of blood platelets.
Claim 13
Dependent Claim 31 words
The use of a compound as claimed in claim 1 together with a platelet anti-aggregation agent for the manufacture of a medicament for prevention or treatment of thrombus and embolus formation.
Claim 14
Dependent Claim 28 words
The use of a compound as claimed in claim 1 together with a platelet anti-aggregation agent for the manufacture of a medicament for inhibiting aggregation of blood platelets.
Claim 15
Dependent Claim 16 words
A pharmaceutical composition, comprising a compound as claimed in Claim 1, and a pharmaceutically acceptable carrier.
Claim 16
Dependent Claim 32 words
A pharmaceutical composition comprising the compound as claimed in Claim 1, a pharmaceutically acceptable carrier and a compound taken from the group consisting of thrombolytic agents, platelet anti-aggregation agents and anti-coagulant agents.
Claim 17
Dependent Claim 23 words
The composition as claimed in Claim 15 or Claim 16, in which said pharmaceutically acceptable carrier consists of a sustained release pharamaceutical formulation.
Claim 18
Dependent Claim 37 words
The compounds of Claim 1 for use in inhibiting the binding of fibrinogen to blood platelets, inhibiting the aggregation of blood platelets, treating thrombus formation or embolus formation, or preventing thrombus or embolus formation in a mammal.
Claim 19
Dependent Claim 38 words
The compounds of Claim 5 for use in inhibiting the binding of fibrinogen to blood platelets, inhibiting the aggregation of blood platelets, treating of thrombus formation or embolus formation, or preventing thrombus or embolus formation in a mammal.
Claim 20
Dependent Claim 91 words
A compound as claimed in Claim 1 of formula wherein R¹ is a five or 6-membered heterocyclic ring wherein said heteroatom is N and wherein said heterocyclic ring is optionally substituted by hydrogen or C₁₋₅ alkyl, or NR⁶R⁷ wherein R⁶ and R⁷ are independently hydrogen, C₁₋₁₀ alkyl or C₄₋₁₀ arylalkyl; R⁴ is arylcarbonyl, C₁₋₁₀ alkylcarbonyl, C₁₋₁₀ alkoxycarbonyl, C₄₋₁₀ aralkylcarbonyl, C₄₋₁₀ aralkoxycarbonyl wherein R⁴ is unsubstituted or substituted with R⁶ as previously defined; Z is chosen from: O, -NR⁶CO-, -CONR⁶-, or CH₂; and m is an integer of from one to six

References Cited (Backward Citations)

EP0071926A1 Cited

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