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US4374131A Expired / Lapsed US ⏱️ 0.0 years remaining

Amino and substituted amino phosphinyl-alkanoyl compounds

Assignee: ER Squibb and Sons LLC
•
Filing: 1981-04-27
•
Granted: 1983-02-15
•
Expires: 2001-04-27
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Abstract

Abstract Compounds of the formula ##STR1## wherein X is an imino acid or ester and R 1 is hydrogen, ##STR2## are useful hypotensive agents due to their angiotensin converting enzyme inhibition activity.

Inventors

  • 👤 Edward W. Petrillo, Jr.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 17:28
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/553; C07F9/572; A; A61; A61P; A61P9/00; A61P9/12; C07D; C07D207/00; C07D207/02; C07D207/04; C07D207/10; C07D207/16; C07D207/18; C07D207/22; C07F9/28; C07F9/30; C07F9/301; C07F9/306; C07F9/32; C07F9/3205; C07F9/3211; C07F9/3241; C07F9/3258; C07F9/3288; C07F9/50; C07F9/52

Claims Analysis

Total Claims: 38
Claim 1
Independent Claim 447 words
A compound of the formula ##STR254## wherein X is an imino acid of the formula ##STR255## R 7 is hydrogen, lower alkyl, halogen, keto, hydroxy, ##STR256## R 8 is keto, halogen, ##STR257## R 9 is keto or ##STR258## R 10 is halogen or --Y--R 16 ; R 11 , R 11 ', R 12 and R 12 ' are independently selected from hydrogen and lower alkyl or R 11 ', R 12 and R 12 ' are hydrogen and R 11 is ##STR259## R 13 is hydrogen, lower alkyl of 1 to 4 carbons, lower alkoxy of 1 to 4 carbons, lower alkylthio of 1 to 4 carbons, chloro, bromo, fluoro, trifluoromethyl, hydroxy, phenyl, phenoxy, phenylthio, or phenylmethyl; R 14 is hydrogen, lower alkyl of 1 to 4 carbons, lower alkoxy of 1 to 4 carbons, lower alkylthio of 1 to 4 carbons, chloro, bromo, fluoro, trifluoromethyl, or hydroxy; m is zero, one, two or three; p is one, two or three provided that p is more than one only if R 13 or R 14 is hydrogen, methyl, methoxy, chloro, or fluoro; R 15 is hydrogen or lower alkyl of 1 to 4 carbons; Y is oxygen or sulfur; R 16 is lower alkyl of 1 to 4 carbons, ##STR260## or the R 16 groups join to complete an unsubstituted 5- or 6-membered ring or said ring in which one or more of the carbons has a lower alkyl of 1 to 4 carbons or a di(lower alkyl of 1 to 4 carbons) substituent; n is zero or one; R 5 is hydrogen, lower alkyl, halo substituted lower alkyl, benzyl or phenethyl; R 3 and R 6 are independently selected from hydrogen, lower alkyl, benzyl, benzhydryl, or ##STR261## wherein R 17 is hydrogen, lower alkyl, or phenyl, and R 18 is hydrogen, lower alkyl, lower alkoxy, phenyl, or R 17 and R 18 taken together are --(CH 2 ) 2 --, --(CH 2 ) 3 --, --CH═CH--, or ##STR262## R 1 is hydrogen, ##STR263## R 19 is hydrogen, lower alkyl, halo substituted lower alkyl, amino substituted lower alkyl, ##STR264## wherein R 13 and p are as defined above and q is zero or an integer from 1 to 7, cycloalkyl, ##STR265## R 20 is lower alkyl, phenyl, benzyl or phenethyl; R 21 is lower alkyl, benzyl or phenethyl; R 22 is hydrogen, lower alkyl, benzyl or phenethyl; R 2 is hydrogen, lower alkyl, lower alkenyl, halo substituted lower alkyl, ##STR266## wherein q, R 13 , p and m are as defined above; and when either or both of R 3 and R 6 are hydrogen a basic addition salt or an amino acid addition salt thereof.
Claim 2
Dependent Claim 447 words
A compound of the formula ##STR254## wherein X is an imino acid of the formula ##STR255## R 7 is hydrogen, lower alkyl, halogen, keto, hydroxy, ##STR256## R 8 is keto, halogen, ##STR257## R 9 is keto or ##STR258## R 10 is halogen or --Y--R 16 ; R 11 , R 11 ', R 12 and R 12 ' are independently selected from hydrogen and lower alkyl or R 11 ', R 12 and R 12 ' are hydrogen and R 11 is ##STR259## R 13 is hydrogen, lower alkyl of 1 to 4 carbons, lower alkoxy of 1 to 4 carbons, lower alkylthio of 1 to 4 carbons, chloro, bromo, fluoro, trifluoromethyl, hydroxy, phenyl, phenoxy, phenylthio, or phenylmethyl; R 14 is hydrogen, lower alkyl of 1 to 4 carbons, lower alkoxy of 1 to 4 carbons, lower alkylthio of 1 to 4 carbons, chloro, bromo, fluoro, trifluoromethyl, or hydroxy; m is zero, one, two or three; p is one, two or three provided that p is more than one only if R 13 or R 14 is hydrogen, methyl, methoxy, chloro, or fluoro; R 15 is hydrogen or lower alkyl of 1 to 4 carbons; Y is oxygen or sulfur; R 16 is lower alkyl of 1 to 4 carbons, ##STR260## or the R 16 groups join to complete an unsubstituted 5- or 6-membered ring or said ring in which one or more of the carbons has a lower alkyl of 1 to 4 carbons or a di(lower alkyl of 1 to 4 carbons) substituent; n is zero or one; R 5 is hydrogen, lower alkyl, halo substituted lower alkyl, benzyl or phenethyl; R 3 and R 6 are independently selected from hydrogen, lower alkyl, benzyl, benzhydryl, or ##STR261## wherein R 17 is hydrogen, lower alkyl, or phenyl, and R 18 is hydrogen, lower alkyl, lower alkoxy, phenyl, or R 17 and R 18 taken together are --(CH 2 ) 2 --, --(CH 2 ) 3 --, --CH═CH--, or ##STR262## R 1 is hydrogen, ##STR263## R 19 is hydrogen, lower alkyl, halo substituted lower alkyl, amino substituted lower alkyl, ##STR264## wherein R 13 and p are as defined above and q is zero or an integer from 1 to 7, cycloalkyl, ##STR265## R 20 is lower alkyl, phenyl, benzyl or phenethyl; R 21 is lower alkyl, benzyl or phenethyl; R 22 is hydrogen, lower alkyl, benzyl or phenethyl; R 2 is hydrogen, lower alkyl, lower alkenyl, halo substituted lower alkyl, ##STR266## wherein q, R 13 , p and m are as defined above; and when either or both of R 3 and R 6 are hydrogen a basic addition salt or an amino acid addition salt thereof.
Claim 3
Dependent Claim 88 words
A compound of claim 1 wherein R 1 is ##STR267## R 19 is lower alkyl of 1 to 7 carbons, trifluoromethyl, ##STR268## R 3 is hydrogen or ##STR269## R 5 is hydrogen; n is zero; R 2 is lower alkyl of 1 to 7 carbons, or ##STR270## q is zero or an integer from 1 to 4; R 13 is hydrogen, methyl, methoxy, methylthio, chloro, bromo, fluoro, or hydroxy; R 17 is hydrogen or methyl; and R 18 is lower alkyl of 1 to 4 carbons or phenyl.
Claim 4
Dependent Claim 200 words
A compound of claim 2 wherein X is ##STR271## R 7 is hydrogen, hydroxy, amino, lower alkyl of 1 to 4 carbons, cyclohexyl, lower alkoxy of 1 to 4 carbons, ##STR272## or lower alkylthio of 1 to 4 carbons; R 8 is lower alkoxy of 1 to 4 carbons, lower alkylthio of 1 to 4 carbons, ##STR273## R 9 is phenyl, 2-hydroxyphenyl, or 4-hydroxyphenyl; m is zero, one or two; R 13 is hydrogen, methyl, methoxy, methylthio, chloro, bromo, fluoro, or hydroxy; R 10 is fluoro, chloro, or --Y--R 16 ; Y is O or S; R 16 is lower alkyl of 1 to 4 carbons or the R 16 groups join to complete an unsubstituted 5- or 6-membered ring or said ring in which one or more of the available carbon atoms has a methyl or dimethyl substituent; R 11 , R 11 ', R 12 and R 12 ' are all hydrogen or R 11 is phenyl, 2-hydroxyphenyl, or 4-hydroxyphenyl, and R 11 ', R 12 and R 12 ' are all hydrogen; R 6 is hydrogen or ##STR274## R 17 is hydrogen or methyl; and R 18 is lower alkyl or 1 to 4 carbons or phenyl.
Claim 5
Dependent Claim 50 words
A compound of claim 3 wherein X is ##STR275## R 7 is hydrogen, cyclohexyl, ##STR276## m is zero, one or two; R 13 is hydrogen, methyl, methoxy, methylthio, Cl, Br, F, or hydroxy; Y is O or S; r is two or three; and R 6 is hydrogen or ##STR277##
Claim 6
Dependent Claim 10 words
A compound of claim 4 wherein R 2 is ##STR278##
Claim 7
Dependent Claim 38 words
A compound of claim 5 wherein R 19 is ##STR279## q is zero or an integer from 1 to 4; R 13 is hydrogen, methyl, methoxy, Cl, Br, F, or hydroxy; and R 3 is hydrogen or ##STR280##
Claim 8
Dependent Claim 22 words
The compound of claim 6 wherein R 19 is phenyl; R 2 is ##STR281## R 3 is hydrogen; and X is L-proline.
Claim 9
Dependent Claim 22 words
The compound of claim 6 wherein R 19 is phenyl; R 2 is ##STR282## R 3 is hydrogen; and X is ##STR283##
Claim 10
Dependent Claim 22 words
The compound of claim 6 wherein R 19 is phenyl; R 2 is ##STR284## R 3 is hydrogen; and X is L-proline.
Claim 11
Dependent Claim 22 words
The compound of claim 6 wherein R 19 is phenyl; R 2 is ##STR285## R 3 is hydrogen; and X is 4-(phenylmethyl)-L-proline.
Claim 12
Dependent Claim 24 words
The compound of claim 6 wherein R 19 is phenyl; R 2 is ##STR286## R 3 is hydrogen; and X is L-proline, (2,2-dimethyl-1-oxopropoxy)methyl ester.
Claim 13
Dependent Claim 9 words
The lithium salt of the compound of claim 11.
Claim 14
Dependent Claim 23 words
A compound of claim 5 wherein R 19 is lower alkyl of 1 to 7 carbons; and R 3 is hydrogen or ##STR287##
Claim 15
Dependent Claim 28 words
A compound of claim 13 wherein R 19 is --(CH 2 ) 4 --CH 3 ; R 2 is ##STR288## R 3 is hydrogen; and X is L-proline.
Claim 16
Dependent Claim 18 words
A compound of claim 5 wherein R 19 is CF 3 and R 3 is hydrogen or ##STR289##
Claim 17
Dependent Claim 18 words
The compound of claim 15 wherein R 2 is ##STR290## R 3 is hydrogen; and X is L-proline.
Claim 18
Dependent Claim 9 words
The dilithium salt of the compound of claim 16.
Claim 19
Dependent Claim 19 words
A compound of claim 5 wherein R 19 is cyclopentyl or cyclohexyl; and R 3 is hydrogen or ##STR291##
Claim 20
Dependent Claim 22 words
A compound of claim 18 wherein R 19 is cyclopentyl; R 2 is ##STR292## R 3 is hydrogen; and X is L-proline.
Claim 21
Dependent Claim 17 words
A compound of claim 5 wherein R 19 is ##STR293## and R 3 is hydrogen or ##STR294##
Claim 22
Dependent Claim 18 words
The compound of claim 20 wherein R 2 is ##STR295## R 3 is hydrogen; and X is L-proline.
Claim 23
Dependent Claim 28 words
The compound of claim 4 wherein R 19 is phenyl; R 2 is --(CH 2 ) 5 --CH 3 ; R 3 is hydrogen; and X is L-proline.
Claim 24
Dependent Claim 76 words
A compound of claim 1 wherein R 1 is hydrogen; R 3 is hydrogen or ##STR296## R 5 is hydrogen; n is zero; R 2 is lower alkyl of 1 to 7 carbons, or ##STR297## q is zero or an integer from 1 to 4; R 13 is hydrogen, methyl, methoxy, methylthio, chloro, bromo, fluoro, or hydroxy; R 17 is hydrogen or methyl; and R 18 is lower alkyl of 1 to 4 carbons or phenyl.
Claim 25
Dependent Claim 200 words
A compound of claim 23 wherein X is ##STR298## R 7 is hydrogen, hydroxy, amino, lower alkyl of 1 to 4 carbons, cyclohexyl, lower alkoxy of 1 to 4 carbons, ##STR299## or lower alkylthio of 1 to 4 carbons; R 8 is lower alkoxy of 1 to 4 carbons, lower alkylthio of 1 to 4 carbons, ##STR300## R 9 is phenyl, 2-hydroxyphenyl, or 4-hydroxyphenyl; m is zero, one or two; R 13 is hydrogen, methyl, methoxy, methylthio, chloro, bromo, fluoro, or hydroxy; R 10 is fluoro, chloro, or --Y--R 16 ; Y is O or S; R 16 is lower alkyl of 1 to 4 carbons or the R 16 groups join to complete an unsubstituted 5- or 6-membered ring or said ring in which one or more of the available carbon atoms has a methyl or dimethyl substituent; R 11 , R 11 ', R 12 and R 12 ' are all hydrogen or R 11 is phenyl, 2-hydroxyphenyl, or 4-hydroxyphenyl, and R 11 ', R 12 and R 12 ' are all hydrogen; R 6 is hydrogen or ##STR301## R 17 is hydrogen or methyl; and R 18 is lower alkyl of 1 to 4 carbons or phenyl.
Claim 26
Dependent Claim 50 words
A compound of claim 24 wherein X is ##STR302## R 7 is hydrogen, cyclohexyl, ##STR303## m is zero, one or two; R 13 is hydrogen, methyl, methoxy, methylthio, Cl, Br, F, or hydroxy; Y is O or S; r is two or three; and R 6 is hydrogen or ##STR304##
Claim 27
Dependent Claim 18 words
The compound of claim 25 wherein R 2 is ##STR305## R 3 is hydrogen; and X is L-proline.
Claim 28
Dependent Claim 24 words
The compound of claim 25 wherein R 2 is --(CH 2 ) 3 --CH 3 ; R 3 is hydrogen; and X is L-proline.
Claim 29
Dependent Claim 20 words
The compound of claim 25 wherein R 2 is --CH 3 ; R 3 is hydrogen; and X is L-proline.
Claim 30
Dependent Claim 63 words
A compound of claim 1 of the formula ##STR306## wherein R 2 is lower alkyl of 1 to 7 carbons, or ##STR307## q is zero or an integer from 1 to 4; R 13 is hydrogen, methyl, methoxy, methylthio, chloro, bromo, fluoro, or hydroxy; and R 3 and R 6 are independently selected from the group consisting of lower alkyl, benzyl, and benzhydryl.
Claim 31
Dependent Claim 27 words
The compound of claim 29 wherein R 2 is ##STR308## R 3 is --C 2 H 5 ; and R 6 is --C(CH 3 ) 3 .
Claim 32
Dependent Claim 81 words
The compound of claim 1 wherein R 1 is ##STR309## R 20 is lower alkyl; R 3 is hydrogen or ##STR310## R 5 is hydrogen; n is zero; R 2 is lower alkyl of 1 to 7 carbons, or ##STR311## q is zero or an integer from 1 to 4; R 13 is hydrogen, methyl, methoxy, methylthio, chloro, bromo, fluoro, or hydroxy; R 17 is hydrogen or methyl; and R 18 is lower alkyl of 1 to 4 carbons or phenyl.
Claim 33
Dependent Claim 200 words
A compound of claim 31 wherein X is ##STR312## R 7 is hydrogen, hydroxy, amino, lower alkyl of 1 to 4 carbons, cyclohexyl, lower alkoxy of 1 to 4 carbons, ##STR313## or lower alkylthio of 1 to 4 carbons; R 8 is lower alkoxy of 1 to 4 carbons, lower alkylthio of 1 to 4 carbons, ##STR314## R 9 is phenyl, 2-hydroxyphenyl, or 4-hydroxyphenyl; m is zero, one or two; R 13 is hydrogen, methyl, methoxy, methylthio, chloro, bromo, fluoro, or hydroxy; R 10 is fluoro, chloro, or --Y--R 16 ; Y is O or S; R 16 is lower alkyl of 1 to 4 carbons or the R 16 groups join to complete an unsubstituted 5- or 6-membered ring or said ring in which one or more of the available carbon atoms has a methyl or dimethyl substituent; R 11 , R 11 ', R 12 and R 12 ' are all hydrogen or R 11 is phenyl, 2-hydroxyphenyl, or 4-hydroxyphenyl, and R 11 ', R 12 and R 12 ' are all hydrogen; R 6 is hydrogen or ##STR315## R 17 is hydrogen or methyl; and R 18 is lower alkyl or 1 to 4 carbons or phenyl.
Claim 34
Dependent Claim 50 words
A compound of claim 32 wherein X is ##STR316## R 7 is hydrogen, cyclohexyl, ##STR317## m is zero, one or two; R 13 is hydrogen, methyl, methoxy, methylthio, Cl, Br, F, or hydroxy; Y is O or S; r is two or three; and R 6 is hydrogen or ##STR318##
Claim 35
Dependent Claim 26 words
The compound of claim 33 wherein R 20 is --C 2 H 5 ; R 2 is ##STR319## R 3 is hydrogen; and X is L-proline.
Claim 36
Dependent Claim 63 words
The compound of claim 1 wherein R 1 is ##STR320## R 20 is ##STR321## R 3 is lower alkyl or benzyl; R 5 is hydrogen; n is zero; R 2 is lower alkyl of 1 to 7 carbons or ##STR322## q is zero or an integer from 1 to 4; and R 13 is hydrogen, methyl, methoxy, methylthio, chloro, bromo, fluoro, or hydroxy.
Claim 37
Dependent Claim 25 words
A pharmaceutical composition useful for treating hypertension comprising a pharmaceutically acceptable carrier and one or more compounds of claim 1 or pharmaceutically acceptable salts thereof.
Claim 38
Dependent Claim 20 words
The method of treating hypertension in a mammalian specie comprising administering an effective amount of the composition of claim 36.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1986-02-14 1986-08-16 1987-02-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1990-02-14 1990-08-16 1991-02-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1994-02-14 1994-08-16 1995-02-15 $7700.00 Window Closed / Lapsed

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