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US4853476A Expired / Lapsed US ⏱️ 0.0 years remaining

Phosphorus containing compounds as inhibitors of enkephalinases

Assignee: Merck Sharp & Dohme LLC
•
Filing: 1987-09-24
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Granted: 1989-08-01
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Expires: 2007-09-24
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Abstract

Abstract Novel phosphorous containing compounds and compositions containing said compounds inhibit the actions of enkephalinases in mammals. Methods for preparing said compounds and compositions and methods for their use to elicit analgesia and treat mental disorders are described. Useful intermediates for preparing the compounds are also described.

Inventors

  • 👤 Konstaninos S. Petrakis
  • 👤 Joel G. Berger
  • 👤 Elijah H. Gold

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 07:34
CPC Classifications
C; C07; C07K; C07K5/00; C07K5/04; C07K5/06; C07K5/06191; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/30; C07F9/301; C07F9/32; C07F9/3205; C07F9/3211; C07F9/38; C07F9/3804; C07F9/3808; C07F9/40; C07F9/4003; C07F9/4006; A; A61; A61K; A61K38/00

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 151 words
A compound having the structural formula I: W--P(O)OR.sup.1 --V--CHR.sup.3 --C(O)--NH--Z--C(O)R.sup.2 or a pharmaceutical acceptable salt thereof, wherein: R 1 is hydrogen, methyl, ethyl, phenyl, benzyl, phenylethyl or --CR 11 HOC(O)R 12 wherein R 11 and R 12 are each independently alkyl having from 1 to 6 carbon atoms or cycloalkyl having from 5 to 7 carbon atoms; R 2 is hydroxy, methoxy, ethoxy, propoxy, phenylmethoxy, phenoxyethyloxy, pivaloyloxymethyloxy, --OCH 2 CHOHCH 2 OH or ##STR24## W is hydroxy, alkoxy having 1 to 6 carbon atoms, phenylmethoxy, alkyl having from 1 to 6 carbon atoms or ##STR25## {wherein n' is an integer of from 0-6, and A is hydrogen, fluorine or chlorine}; VC*HR 3 contains an asymmetric carbon (C*) the chirality of which is the S absolute configuration wherein V is oxygen or sulfur and wherein R 3 is ##STR26## wherein A 1 is hydrogen, fluorine, chlorine or trifluoromethyl; and Z is p-phenylene.
Claim 2
Dependent Claim 151 words
A compound having the structural formula I: W--P(O)OR.sup.1 --V--CHR.sup.3 --C(O)--NH--Z--C(O)R.sup.2 or a pharmaceutical acceptable salt thereof, wherein: R 1 is hydrogen, methyl, ethyl, phenyl, benzyl, phenylethyl or --CR 11 HOC(O)R 12 wherein R 11 and R 12 are each independently alkyl having from 1 to 6 carbon atoms or cycloalkyl having from 5 to 7 carbon atoms; R 2 is hydroxy, methoxy, ethoxy, propoxy, phenylmethoxy, phenoxyethyloxy, pivaloyloxymethyloxy, --OCH 2 CHOHCH 2 OH or ##STR24## W is hydroxy, alkoxy having 1 to 6 carbon atoms, phenylmethoxy, alkyl having from 1 to 6 carbon atoms or ##STR25## {wherein n' is an integer of from 0-6, and A is hydrogen, fluorine or chlorine}; VC*HR 3 contains an asymmetric carbon (C*) the chirality of which is the S absolute configuration wherein V is oxygen or sulfur and wherein R 3 is ##STR26## wherein A 1 is hydrogen, fluorine, chlorine or trifluoromethyl; and Z is p-phenylene.
Claim 3
Dependent Claim 27 words
A compound defined in claim 1 wherein R 1 is hydrogen or --CHR 11 OC(O)R 12 wherein R 11 and R 12 are defined in claim 1.
Claim 4
Dependent Claim 18 words
A compound defined in claim 1 wherein R 2 is hydroxy, methoxy, ethoxy, propoxy, phenoxyethyloxy, pivaloyloxymethoxy, or ##STR27##
Claim 5
Dependent Claim 10 words
A compound defined in claim 1 wherein W is hydroxy.
Claim 6
Dependent Claim 148 words
A compound defined in claim 1 having the name: 4-[[(S)2-[(ethoxyethylphosphinyl)oxy]-1-oxo-3-phenylpropyl]amino]benzoic acid ethyl ester; 4-[[(S)2-[(ethylhydroxyphosphinyl]oxy]-1-oxo-3-phenylpropyl]amino]benzoic acid ethyl ester, calcium salt thereof; 4-[[(S)2-[(ethoxyethylphosphinyl)oxy]-1-oxo-3-phenylpropyl]amino]benzoic acid (phenylmethyl) ester; 4-[[(S)2-[(ethylhydroxyphosphinyl)oxy]-1-oxo-3-phenylpropyl]amino]benzoic acid phenylmethyl ester, calcium salt thereof; 4-[[(S)2-[(ethoxylhydroxyphosphinyl)oxy]-1-oxo-3-phenylpropyl]amino]benzoic acid, calcium salt thereof, calcium salt thereof; 4-[[(S)2-[[ethoxy(2-phenylethyl)phosphinyl]oxy]-1-oxo-3-phenylpropyl]amino]benzoic acid ethyl ester; 4-[[(S)2-[[hydroxy(2-phenylethyl)phosphinyl]oxy]-1-oxo-3-phenylpropyl]amino]benzoic acid methyl ester, calcium salt thereof; 4-[[(S)2-[[ethoxy(2-phenylethyl)phosphinyl]oxy]-1-oxo-3-phenylpropyl]amino]benzoic acid (phenylmethyl) ester; 4-[[(S)2-[[hydroxy(2-phenylethyl)phosphinyl]oxy]-1-oxo-3-phenylpropyl]amino]benzoic acid (phenylmethyl)ester, calcium salt thereof; 4-[[(S)2-[[hydroxy(2-phenylmethyl)phosphinyl]oxy]-1-oxo-3-phenylpropyl]amino]benzoic acid, calcium salt thereof; 4-[[(S)2-[(dimethoxyphosphinyl)oxy]-1-oxo-3-phenylpropyl]amino]benzoic acid ethyl ester; 4-[[(S)2-(phosphonooxy)-1-oxo-3-phenylpropyl]amino benzoic acid ethyl ester, calcium salt thereof; 4-[[(S)2-[(dimethoxyphosphinyl)oxy]-1-oxo-3-phenylpropyl]amino]benzoic acid (phenylmethyl) ester; 4-[[(S)2-(phosphonooxy)-1-oxo-3-phenylpropyl]amino]benzoic acid (phenylmethyl) ester, calcium salt thereof; 4-[[(S)2-(phosphonooxy)-1-oxo-3-phenylpropyl]amino]benzoic acid, calcium salt thereof; 4-[[(S)2-[[bis(phenylmethoxy)phosphinyl]oxy]-1-oxo-3-phenylpropyl]amino]benzoic acid ethyl ester; 4-[[(S)2-[[hydroxy(phenylmethyl)phosphinyl]oxy]-1-oxo-3-phenylpropyl]amino]benzoic acid ethyl ester, calcium thereof; 4-[[(S)2-[[bis(phenylmethoxy)phosphinyl]oxy]-1-oxo-3-phenylpropyl]amino]benzoic acid (phenylmethyl) ester; 4-[[(S)2-[[hydroxy(2-phenylmethoxy)phosphinyl]oxy]-1-oxo-3-phenylpropyl]benzoic acid phenylmethyl ester, calcium salt thereof; 4-[[(S)2-[[hydroxy(phenylmethoxy)phosphinyl]oxy]-1-oxo-3-phenylpropyl amino]benzoic acid, calcium salt thereof; 4-[[(S)2-[[hydroxy(phenylmethoxy)phosphinyl]oxy]-1-oxo-3-phenylpropyl]amino]benzoic acid ethyl ester; 4-[[(S)2-[[hydroxy(2-phenylethoxy)phosphinyl]oxy]-1-oxo-3-phenylpropyl]amino]benzoic acid ethyl ester, calcium salt thereof; 4-[[(S)2-[[methoxy(2-phenylethoxy)phosphinyl]oxy]-1-oxo-3-phenylpropyl]amino]benzoic acid phenylmethyl ester; 4-[[(S)2-[[hydroxy(2-phenylethoxy)phosphinyl]oxy]-1-oxo-3-phenylpropyl]amino]benzoic acid (phenylmethyl) ester, calcium salt thereof; and 4-[[(S)2-[[hydroxy(2-phenylethoxy)phosphinyl]oxy]-1-oxo-3-phenylpropyl]amino]benzoic acid, calcium salt thereof.
Claim 7
Dependent Claim 102 words
A compound defined in claim 1 wherein R 1 is hydrogen or --CHR 11 OC(O)R 12 {wherein R 11 and R 12 are defined in claim 1}; R 2 is hydrogen, methoxy, ethoxy or propoxy; W is hydroxy, alkyl having from 1 to 6 carbon atoms or ##STR28## {wherein n' is an integer of from 1-6 and A is hydrogen, fluorine or chlorine}; VC*HR 3 contains an asymmetric carbon (C*) the chirality of which is the S absolute configuration wherein V is oxygen and wherein R 3 is ##STR29## {wherein A 1 is hydrogen, fluorine, chlorine or trifluoromethyl}; and Z is p-phenylene.
Claim 8
Dependent Claim 41 words
A compound defined in claim 1 wherein VC*HR 3 contains an asymmetric carbon (C*) the chirality of which is the absolute configuration wherein V is oxygen and wherein R 3 is ##STR30## {wherein A 1 is hydrogen, fluorine, chlorine or trifluoromethyl}.
Claim 9
Dependent Claim 165 words
A compound having the structural formula I: W--P(O)OR.sup.1 --V--CHR.sup.3 --C(O)--NH--Z--C(O)R.sup.2 or a pharmaceutical acceptable salt thereof, wherein: R 1 is hydrogen, methyl, ethyl, phenyl, benzyl, phenylethyl or --CR 11 HOC(O)R 12 wherein R 11 and R 12 are each independently alkyl having from 1 to 6 carbon atoms or cycloalkyl having from 5 to 7 carbon atoms; R 2 is hydroxy, methoxy, ethoxy, propoxy, phenylmethoxy, phenoxyethyloxy, pivaloyloxymethyloxy, --OCH 2 CHOHCH 2 OH or ##STR31## W is hydroxy, alkoxy having 1 to 6 carbon atoms, phenylmethoxy, alkyl having from 1 to 6 carbon atoms or ##STR32## {wherein n' is an integer of from 0-6, and A is hydrogen, fluorine or chlorine}; VC*HR 3 contains an asymmetric carbon (C*) the chirality of which is the S absolute configuration wherein V is oxygen or sulfur and wherein R 3 is ##STR33## wherein A 1 is hydrogen, fluorine, chlorine or trifluoromethyl; and Z is --CH 2 CHR 4 -- wherein R 4 is hydrogen, hydroxy, methoxy, methyl or benzyl.
Claim 10
Dependent Claim 165 words
A compound having the structural formula I: W--P(O)OR.sup.1 --V--CHR.sup.3 --C(O)--NH--Z--C(O)R.sup.2 or a pharmaceutical acceptable salt thereof, wherein: R 1 is hydrogen, methyl, ethyl, phenyl, benzyl, phenylethyl or --CR 11 HOC(O)R 12 wherein R 11 and R 12 are each independently alkyl having from 1 to 6 carbon atoms or cycloalkyl having from 5 to 7 carbon atoms; R 2 is hydroxy, methoxy, ethoxy, propoxy, phenylmethoxy, phenoxyethyloxy, pivaloyloxymethyloxy, --OCH 2 CHOHCH 2 OH or ##STR31## W is hydroxy, alkoxy having 1 to 6 carbon atoms, phenylmethoxy, alkyl having from 1 to 6 carbon atoms or ##STR32## {wherein n' is an integer of from 0-6, and A is hydrogen, fluorine or chlorine}; VC*HR 3 contains an asymmetric carbon (C*) the chirality of which is the S absolute configuration wherein V is oxygen or sulfur and wherein R 3 is ##STR33## wherein A 1 is hydrogen, fluorine, chlorine or trifluoromethyl; and Z is --CH 2 CHR 4 -- wherein R 4 is hydrogen, hydroxy, methoxy, methyl or benzyl.
Claim 11
Dependent Claim 183 words
A compound defined in claim 8 having the name: N-[(S)2(ethoxyethylphosphinyl)oxy]-1-oxo-3-phenylpropyl]β-alanine ethyl ester; N-[(S)2-[(ethylhydroxyphospninyl]oxy]-1-oxo-3-phenylpropyl]β-alanine ethyl ester, calcium salt thereof; N-[(S)2-[(ethoxyethylphosphinyl)oxy]-1-oxo-3-phenylpropyl]β-alanine (phenylmethyl) ester; N-[(S)2-[(ethylhydroxyphosphinyl)oxy]-1-oxo-3-phenylpropyl]β-alanine (phenylmethyl) ester, calcium salt thereof; N-[(S)2-[(ethylhydroxyphosphinyl)oxy]-1-oxo-3-phenylpropyl]β-alanine, calcium salt thereof; N-[(S)2-[(ethoxyphenylphosphinyl)oxy]-1-oxo-3-phenylpropyl]β-alanine ethyl ester; N-[(S)2-(hydroxyphenylphosphinyl)oxy]-1-oxo-3-phenylpropyl]β-alanine ethyl ester, calcium salt thereof; N-[(S)2-[(ethoxyphenylphosphinyl)oxy]-1-oxo-3-phenylpropyl]β-alanine (phenylmethyl) ester; N-[(S)2-[(hydroxyphenylphosphinyl)oxy]-1-oxo-3-phenylpropyl]β-alanine (phenylmethyl) ester, calcium salt thereof; N-[(S)2-[(hydroxyphenylphosphinyl)oxy]-1-oxo-3-phenylpropyl]β-alanine, calcium salt thereof; N-[(S)2-[(ethoxy(phenylmethyl)phosphinyl]oxy]-1-oxo-3-phenylpropyl]β-alanine ethyl ester; N-[(S)2-[[hydroxy(phenylmethyl)phosphinyl]oxy]-1-oxo-3-phenylpropyl]β-alanine ethyl ester, calcium salt thereof; N-[(S)2-[[ethoxy(phenylmethyl)phosphinyl]oxy]-1-oxo-3-phenylpropyl]β-alanine (phenylmethyl) ester; N-[(S)2-[[hydroxy(phenylmethyl)phosphinyl]oxy]-1-oxo-3-phenylpropyl]β-alanine (phenylmethyl) ester, calcium salt thereof; N-[(S)2-[[hydroxy(phenylmethyl)phosphinyl]oxy]-1-oxo-3-phenylpropyl]β-alanine; N-[(S)2-[[ethoxy(2-phenylethyl)phosphinyl]oxy]-1-oxo-3-phenylpropyl]β-alanine ethyl ester; N-[(S)2-[[hydroxy(phenylethyl)phosphinyl]oxy]-1-oxo-3-phenylpropyl]β-alanine ethyl ester, calcium salt thereof; N-[(S)2-[[ethoxy(2-phenylethyl)phosphinyl]oxy]-1-oxo-3-phenylpropyl]β-alanine (phenylmethyl) ester; N-[(S)2-[[hydroxy(2-phenylmethyl)phosphinyl]oxy]-1-oxo-3-phenylpropyl].beta.-alanine (phenylmethyl) ester, calcium salt thereof; N-[(S)2-[[hydroxy(2-phenylethyl)phosphinyl]-1-oxo-3-phenylpropyl]β-alanine, calcium salt thereof; N-[(S)2-[[ethoxy(3-phenylpropyl)phosphinyl]oxy]-1-oxo-3-phenylpropyl]β-alanine ethyl ester; N-[(S)2-[[hydroxy(3-phenylpropyl)phosphinyl]oxy]-1-oxo-3-phenylpropyl].beta.-alanine ethyl ester, calcium salt thereof; N-[(S)2-[[ethoxy(3-phenylpropyl)phosphinyl]oxy]-1-oxo-3-phenylpropyl]β-alanine (phenylmethyl) ester; N-[(S)2-[[hydroxy(3-phenylpropyl)phosphinyl]oxy]-1-oxo-3-phenylpropyl].beta.-alanine (phenylmethyl) ester, calcium salt thereof; N-[(S)2-[[hydroxy(3-phenylpropyl)phosphinyl]oxy]-1-oxo-3-phenylpropyl].beta.-alanine, calcium salt thereof; N-[(S)2-[(dimethoxyphosphinyl)oxy]-1-oxo-3-phenylpropyl]β-alanine ethyl ester; N-[(S)2-[(phosphonooxy)-1-oxo-3-phenylpropyl]β-alanine ethyl ester, calcium salt thereof; N-[(S)2-[(dimethoxyphosphinyl)oxy]-1-oxo-3-phenylpropyl]β-alanine (phenylmethyl) ester; N-[(S)2-[(phosphonooxy)-1-oxo-3-phenylpropyl]β-alanine (phenylmethyl) ester, calcium salt thereof; N-[(S)2-[(phosphonooxy)-1-oxo-3-phenylpropyl]β-alanine, calcium salt thereof; N-[(S)2-[[bis(phenylmethoxy)phosphinyl]oxy]-1-oxo-3-phenylpropyl]β-alanine ethyl ester; N-[(S)2-[[hydroxy(phenylmethoxy)phosphinyl]oxy]-1-oxo-3-phenylpropyl]β-alanine ethyl ester, calcium salt thereof; N-[(S)2-[[bis(phenylmethoxy)phosphinyl]oxy]-1-oxo-3-phenylpropyl]β-alanine (phenylmethyl) ester; N-[(S)2-[[hydroxy(phenylmethyl)phosphinyl]oxy]-1-oxo-3-phenylpropyl]β-alanine (phenylmethyl) ester, calcium salt thereof; N-[(S)2-[[hydroxy(phenylmethoxy)phosphinyl]oxy]-1-oxo-3-phenylpropyl]β-alanine, calcium salt thereof; N-[(S)2-[[methoxy(2-phenylethoxy)phosphinyl]oxy]-1-oxo-3-phenylpropyl].beta.-alanine ethyl ester; N-[(S)2-[[hydroxy(2-phenylmethoxy)phosphinyl]oxy]-1-oxo-3-phenylpropyl].beta.-alanine ethyl ester, calcium salt thereof; N-[(S)2-[[methoxy(2-phenylethoxy)phosphinyl]oxy]-1-oxo-3-phenylpropyl].beta.-alanine (phenylmethyl) ester; N-[(S)2-[[hydroxy(2-phenylethoxy)phosphinyl]oxy]-1-oxo-3-phenylpropyl].beta.-alanine (phenylmethyl) ester, calcium salt thereof; or N-[(S)2-[[hydroxy(2-phenylethoxy)phosphinyl]oxy]-1-oxo-3-phenylpropyl].beta.-alanine, calcium salt thereof.

References Cited (Backward Citations)

US4316896A Cited
EP0038046A2 Cited
US4432972A Cited
EP0075334A2 Cited
US4423242A Cited
EP0082088A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-07-31 1993-01-30 1993-08-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-07-31 1997-01-30 1997-08-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-07-31 2001-01-30 2001-08-01 $7700.00 Window Closed / Lapsed

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