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Details for Patent: 6,046,190

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Details for Patent: 6,046,190

Title: Hydroxyethylamino sulphonamides useful as retroviral protease inhibitors
Abstract:The invention relates to sulfonamide-containing hydroxyethylamine protease inhibitor compounds, their process of making, composition and method of use for inhibiting retroviral proteases such as human immunodeficiency virus.
Inventor(s): Vazquez; Michael L. (Gurnee, IL), Mueller; Richard A. (Glencoe, IL), Talley; John J. (Brentwood, MO), Getman; Daniel P. (Chestertfield, MO), DeCrescenzo; Gary A. (St. Peters, MO), Freskos; John N. (Clayton, MO), Bertenshaw; Deborah E. (Brentwood, MO), Heintz; Robert M. (Ballwin, MO)
Assignee: G.D. Searle & Co. (Chicago, IL)
Filing Date:Jan 24, 1996
Application Number:08/586,866
Claims:1. A compound represented by the formula: ##STR827## or a pharmaceutically acceptable salt or ester thereof, wherein R.sup.2 is an alkyl, aryl, cycloalkyl, cycloalkylalkyl or aralkyl radical, which radical is optionally substituted with a radical selected from the group consisting of alkyl, halo, nitro, cyano, CF.sub.3, --OR.sup.9, and --SR.sup.9, wherein R.sup.9 is a radical selected from the group consisting of hydrogen and alkyl;

R.sup.3 is a hydrogen, alkyl, haloalkyl, alkenyl, alkynyl, hydroxyalkyl, alkoxyalkyl, alkylthioalkyl, alkylsulfonylalkyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl, aminoalkyl or mono- or disubstituted aminoalkyl radical, wherein said substituents are selected from the group consisting of alkyl, aryl, aralkyl, cycloalkyl, and cycloalkylalkyl radicals;

R.sup.4 is an alkyl, haloalkyl, alkenyl, alkynyl, hydroxyalkyl, alkoxyalkyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl, aralkenyl, aminoalkyl, mono- or disubstituted aminoalkyl radical, wherein said substituents are selected from the group consisting of alkyl, aryl, aralkyl, cycloalkyl, and cylcloalkylalkyl; and a saturated or partially unsaturated monocyclic, bicyclic or tricyclic heterocycle having 3 to 12 ring members, which contains at least one nitrogen, oxygen, sulphur, sulfone, sulfoxide or N-oxide or a tertiary nitrogen heteroatom ring member, and which is optionally substituted on one or more carbon atoms by halogen, alkyl, alkoxy, hydroxy, oxo or aryl, or on a secondary nitrogen atom by hydroxy, alkyl, aralkoxycarbonyl, alkanoyl, phenyl or phenylalkyl; or an aromatic monocyclic, bicyclic, or tricyclic heterocycloalkyl radical which is optionally substituted with one or more alkyl, alkoxy, halogen, hydroxy, amino nitro, cyano, haloalkyl, carboxy, alkoxycarbonyl, cycloalkyl, amido, alkylamino, dialkylamino, alkylamido or dialkylamido radicals;

R.sup.6 is a hydrogen or alkyl radical;

x is 2;

t is 0 or 1;

Y is O; and

A is an alkoxy, alkenoxy, aralkoxy, alkyl, cycloalkyl, cycloalkylalkoxy, cycloalkylalkyl, aralkyl, aryl, aryloxy, alkenyl, aryloxyalkyl, hydroxyalkyl, amino, or mono- or disubstituted amino radical, wherein the substituents are selected from the group consisting of alkyl, aryl, aralkyl, cycloalkyl, and cycloalkylalkyl radicals, or is represented by the formula ##STR828## wherein R is a hydrogen, alkoxycarbonyl, aralkoxycarbonyl, alkylcarbonyl, cycloalkylcarbonyl, cycloalkylalkoxycarbonyl, cycloalkylalkanoyl, carboxyalkanoyl, alkanoyl, aralkanoyl, aroyl, aryloxycarbonyl, aryloxycarbonylalkyl, aryloxyalkanoyl, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, aralkyl, aryloxyalkyl, hydroxyalkyl, aminocarbonyl, aminoalkanoyl, or mono- or disubstituted aminocarbonyl or mono- or disubstituted aminoalkanoyl radical, wherein the substituents are selected from the group consisting of alkyl, aryl, aralkyl, cycloalkyl, and cycloalkylalkyl radicals;

R.sup.7 is a radical as defined for R.sup.3 or R"SO.sub.2 --, wherein R" is a radical as defined for R.sup.3 ;

R.sup.1 is a hydrogen, --CO.sub.2 CH.sub.3, --CH.sub.2 CO.sub.2 CH.sub.3, --CO.sub.2 H, --CH.sub.2 CO.sub.2 H, --CH.sub.2 CH.sub.2 CONH.sub.2, --CH.sub.2 CONH.sub.2, --CONH.sub.2, --CH.sub.2 (O)NHCH.sub.3, --CH.sub.2 CH.sub.2 SO.sub.2 NH.sub.2, --CH.sub.2 S[O]CH.sub.3, CH.sub.2 S[O].sub.2 CH.sub.3, --C(CH.sub.3).sub.2 (SCH.sub.3), --C(CH.sub.3).sub.2 (S[O]CH.sub.3), --C(CH.sub.3).sub.2 (S[O].sub.2 CH.sub.3), alkyl, hydroxyalkyl, cyanoalkyl, haloalkkyl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl, alkylthioalkyl, aralkyl, aminoalkyl or mono- or disubstituted animoalkyl radical, wherein said substituents are selected from the group consisting of alkyl, aryal, aralkyl, cycloalkyl, and cycloalkylalkyl radicals; and

each of R.sup.1 ' and R.sup.1 " are independently a radical as defined for R.sup.1 ; or one of R.sup.1 ' and R.sup.1 " together with R.sup.1 and the carbon atoms to which R.sup.1, R.sup.1 ' and R.sup.1 " are attached, form a cycloalkyl radical; and

wherein alkyl, alone or in combination, is a straight-chain or branched-chain hydrocarbon radical containing from 1 to 8 carbon atoms; alkenyl, alone or in combination, is a straight-chain or branched-chain hydrocarbon radical having at least one double bond and containing form 2 to 8 carbon atoms; alkynyl, alone or in combination, is a straight-chain or branched-chain hydrocarbon radical having at least one triple bond and containing form 2 to 10 carbon atoms; cycloalkyl, alone or in combination, is a hydrocarbon ring containing from 3 to 8 carbon atoms; aryl, alone or in combination, means a phenyl or napthyl radical which optionally carries one or more alkyl, alkoxy, halogen, hydroxy, amino, nitro, cyano, haloalkyl, carboxy, alkoxycarbonyl, cycloalkyl, amido, alkylamino, dialkylamino, alkylamido or dialkylamido radicals; a saturated or partially unsaturated monocyclic, bicyclic or tricyclic heterocycle having 3 to 12 ring members, which contains at least one nitrogen, oxygen, sulphur, sulfone, sulfoxide or N-oxide or a tertiary nitrogen heteroatom ring member, and which is optionally substituted on one or more carbon atoms by halogen alkyl, alkoxy, hydroxy, oxo or aryl, or on a secondary nitrogen atom by hydroxy, alkyl, aralkoxycarbonyl, alkanoyl, phenyl or phenylalkyl; or an aromatic monocyclic, bicyclic, or tricyclic heterocycloalkyl radical which is optionally substituted with one or more alkyl, alkoxy, halogen, hydroxy, amino nitro, cyano, haloalkyl, carboxy, alkoxycarbonyl, cycloalkyl, amido, alkylamino, dialkylamino, alkylamido or dialkylamido radicals.

2. The compound of claim 1 or a pharmaceutically acceptable salt or ester thereof, wherein

R.sup.2 is an aralkyl radical, which is optionally substituted with a radical selected from the group consisting of alkyl, halo and --OR.sup.9, wherein R.sup.9 is a radical selected from the group consisting of hydrogen and alkyl;

R.sup.3 is a hydrogen, alkyl, aryl, or aralkyl radical;

R.sup.4 is an alkyl, haloalkyl, alkenyl, alkynyl, hydroxyalkyl, alkoxyalkyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl, aralkenyl, a saturated or partially unsaturated monocyclic, bicyclic or tricyclic heterocycle having 3 to 12 ring members, which contains at least one nitrogen, oxygen, sulphur, sulfone, sulfoxide or N-oxide or a tertiary nitrogen heteroatom ring member, and which is optionally substituted on one or more carbon atoms by halogen, alkyl, alkoxy, hydroxy, oxo or aryl, or on a secondary nitrogen atom by hydroxy, alkyl, aralkoxycarbonyl, alkanoyl, phenyl or phenylalkyl; or an aromatic monocyclic, bicyclic, or tricyclic heterocycloalkyl radical which is optionally substituted with one or more alkyl, alkoxy, halogen, hydroxy, amino, nitro, cyano, haloalkyl, carboxy, alkoxycarbonyl, cycloalkyl, amido, alkylamino, dialkylamino, alkylamido or dialkylamido radicals;

R.sup.6 is a hydrogen or alkyl radical;

t is 0 or 1; and

A is an alkoxy, alkenoxy, aralkoxy, alkyl, cycloalkyl, aryl, amino, or mono- or disubstituted amino radical, wherein the substituents are selected from the group consisting of alkyl and aralkyl radicals.

3. A compound represented by the formula: ##STR829## or a pharmaceutically acceptable salt or ester thereof, wherein A is a phenyl or napthyl radical which is optionally substituted with one or more alkyl, alkoxy, halogen, hydroxy, amino, nitro, cyano, haloalkyl, carboxy, alkoxycarbonyl, cycloalkyl, amido, alkylamino, dialkylamino, alkylamido or dialkylamido radicals;

R.sup.2 is an aralkyl radical, which is optionally substituted with a radical selected from the group consisting of alkyl, halo, nitro, cyano, --CF.sub.3, --OR.sup.9 and --SR.sup.9, wherein R.sup.9 is a radical selected from the group consisting of hydrogen and alkyl;

R.sup.3 is an alkyl, and

R.sup.4 is an aromatic monocyclic, bicyclic or tricyclic heterocycle which contains at least one nitrogen, oxygen or sulfur and which is optionally substituted on one or more carbon atoms by halogen, alkyl, alkoxy, hydroxy, oxo or aryl, or on a secondary nitrogen atom by hydroxy, alkyl, aralkoxycarbonyl, alkanoyl, phenyl or phenylalkyl.

4. Method of inhibiting a retroviral protease comprising administering an effective amount of a compound of claim 1.

5. Method of inhibiting a retroviral protease comprising administering an effective amount of a compound of claim 3.

6. Method of treating a retroviral infection comprising administering an effective amount of a compound of claim 1.

7. Method of treating a retroviral infection comprising administering an effective amount of a compound of claim 3.

8. Method of inhibiting replication of a retrovirus comprising administering an effective amount of a compound of claim 1.

9. Method of inhibiting replication of a retrovirus comprising administering an effective amount of a compound of claim 3.

10. A compound represented by the formula: ##STR830## or a pharmaceutically acceptable salt or ester thereof, wherein R.sup.2 is an alkyl, aryl, cycloalkyl, cycloalkylalkyl or aralkyl radical, which radical is optionally substituted with a radical selected from the group consisting of alkyl, halo, nitro, cyano, CF.sub.3, --OR.sup.9, and --SR.sup.9, wherein R.sup.9 is a radical selected from the group consisting of hydrogen and alkyl;

R.sup.3 is a hydrogen, alkyl, haloalkyl, alkenyl, alkynyl, hydroxyalkyl, alkoxyalkyl, alkylthioalkyl, alkylsulfonylalkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, heteroaryl, heterocycloalkylalkyl, aryl, aralkyl, heteroaralkyl, aminoalkyl or mono- or disubstituted aminoalkyl radical, wherein said substituents are selected from the group consisting of alkyl, aryl, aralkyl, cycloalkyl, cycloalkylalkyl, heteroaryl, heteroaralkyl, heterocycloalkyl and heterocycloalkylalkyl radicals; or where said aminoalkyl radical is disubstituted, said substituents along with the nitrogen atom to which they are attached, form a heterocycloalkyl or a heteroaryl radical;

R.sup.4 is an alkyl, haloalkyl, alkenyl, alkynyl, hydroxyalkyl, alkoxyalkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, heteroaryl, heterocycloalkylalkyl, aryl, aralkyl, aralkenyl, aminoalkyl, mono- or disubstituted aminoalkyl radical, wherein said substituents are selected from the group consisting of alkyl, aryl, aralkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, heteroaryl, heterocycloalkylalkyl, and heteroaralkyl radicals; or where said aminoalkyl radical is disubstituted, said substituents along with the nitrogen atom to which they are attached, form a heterocycloalkyl or a heteroaryl radical;

R .sup.6 is a hydrogen or alkyl radical;

x is 2;

t is 0 or 1;

Y is O; and

A is an alkoxy, alkenoxy, aralkoxy, alkyl, cycloalkyl, cycloalkylalkoxy, cycloalkylalkyl, aralkyl, aryl, aryloxy, heterocycloalkyl, heterocycloalkoxy, heterocycloalkylalkyl, heterocycloalkylalkoxy, heteroaralkyl, heteroaralkoxy, heteroaryloxy, heteroaryl, alkenyl, aryloxyalkyl, heteroaryloxyalkyl, hydroxyalkyl, amino, or mono- or disubstituted amino radical, wherein the substituents are selected from the group consisting of alkyl, aryl, aralkyl, cycloalkyl, cycloalkylalkyl, heterocycloalkyl, heteroaryl, heterocycloalkylalkyl and heteroaralkyl radicals, or where said amino radical is disubstituted, said substituents along with the nitrogen atom to which they are attached form a heterocycloalkyl or heteroaryl radical; or is represented by the formula ##STR831## wherein R is a hydrogen, alkoxycarbonyl, aralkoxycarbonyl, alkylcarbonyl, cycloalkylcarbonyl, cycloalkylalkoxycarbonyl, cycloalkylalkanoyl, carboxyalkanoyl, alkanoyl, aralkanoyl, aroyl, aryloxycarbonyl, aryloxycarbonylalkyl, aryloxyalkanoyl, heterocyclycarbonyl, heterocyclyoxycarbonyl, heterocyclyalkanoyl, heterocyclyalkoxycarbonyl, heteroaralkanoyl, heteroaralkoxycarbonyl, heteroaryloxy-carbonyl, heteroaroyl, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, aralkyl, aryloxyalkyl, heteroaryloxyalkyl, hydroxyalkyl, aminocarbonyl, aminoalkanoyl, or mono- or disubstituted aminocarbonyl or mono- or disubstituted aminoalkanoyl radical, wherein the substituents are selected from the group consisting of alkyl, aryl, aralkyl, cycloalkyl, cycloalkylalkyl, heteroaryl, heteroaralkyl, heterocycloalkyl and heterocycloalkylalkyl radicals; or wherein said aminocarbonyl or aminoalkanoyl radicals are disubstituted, said substituents along with the nitrogen atom to which they are attached form a heterocycloalkyl or heteroaryl radical;

R' is a radical as defined for R.sup.3 or R"SO.sub.2 --, wherein R" is a radical as defined for R.sup.3 ; or R and R' together with the nitrogen to which they are attached form a heterocycloalkyl or heteroaryl radical;

R.sup.1 is a hydrogen, --CO.sub.2 CH.sub.3, --CH.sub.2 CO.sub.2 CH.sub.3, --CO.sub.2 H, --CH.sub.2 CO.sub.2 H, --CH.sub.2 CH.sub.2 CONH.sub.2, --CH.sub.2 CONH.sub.2, --CONH.sub.2, --CH.sub.2 C(O)NHCH.sub.3, --CH.sub.2 C(O)N(CH.sub.3).sub.2, --CONHCH.sub.3, --CONH(CH.sub.3).sub.2, --CH.sub.2 SO.sub.2 NH.sub.2, --CH.sub.2 CH.sub.2 SO.sub.2 NH.sub.2, --CH.sub.2 S[O]CH.sub.3, CH.sub.2 S[O].sub.2 CH.sub.3, --C(CH.sub.3).sub.2 (SCH.sub.3), --C(CH.sub.3).sub.2 (S[O]CH.sub.3), --C(CH.sub.3).sub.2 (S[O].sub.2 CH.sub.3), alkyl, hydroxyalkyl, cyanoalkyl, haloalkyl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl, alkylthioalkyl, aralkyl, heteroaralkyl, aminoalkyl or mono- or disubstituted animoalkyl radical, wherein said substituents are selected from the group consisting of alkyl, aryl, aralkyl, cycloalkyl, cycloalkylalkyl, heteroaryl, heteroaralkyl, heterocycloalkyl and heterocycloalkylalkyl radicals; or where said aminoalkyl radical is disubstituted, said substituents along with the nitrogen atom to which they are attached form a heterocycloalkyl or heteroaryl radical; and

each of R.sup.1 ' and R.sup.1 " are independently a radical as defined for R.sup.1 ; or one of R.sup.1 ' and R.sup.1 " together with R.sup.1 and the carbon atoms to which R.sup.1, R.sup.1 ' and R.sup.1 " are attached, form a cycloalkyl radical; and

wherein alkyl, alone or in combination, is a straight-chain or branched-chain hydrocarbon radical containing from 1 to 8 carbon atoms; alkenyl, alone or in combination, is a straight-chain or branched-chain hydrocarbon radical having at least one double bond and containing form 2 to 8 carbon atoms; alkynyl, alone or in combination, is a straight-chain or branched-chain hydrocarbon radical having at least one triple bond and containing from 2 to 10 carbon atoms; cycloalkyl, alone or in combination, is a hydrocarbon ring containing from 3 to 8 carbon atoms; aryl, alone or in combination, means a phenyl or naphthyl radical which optionally carries one or more alkyl, alkoxy, halogen, hydroxy, amino, nitro, cyano, haloalkyl, carboxy, alkoxycarbonyl, cycloalkyl, heteroycloalkyl, amido, alkylamino, dialkylamino, alkylamido or dialkylamido radicals; heterocyclyl and heterocycloalkyl, alone or in combination, mean a saturated or partially unsaturated monocyclic, bicyclic or tricyclic heterocycle having 3 to 12 ring members, which contains at least one nitrogen, oxygen, sulphur, sulfone, sulfoxide or N-oxide or a tertiary nitrogen heteroatom ring member, and which is optionally substituted on one or more carbon atoms by halogen, alkyl, alkoxy, hydroxy, oxo or aryl, or on a secondary nitrogen atom by hydroxy, alkyl, aralkoxycarbonyl, alkanoyl, phenyl or phenylalkyl; and heteroaaryl, alone or in combination, means an aromatic monocyclic, bicyclic, or tricyclic heterocycloalkyl radical which is optionally substituted as defined above with respect to the definitions of aryl and heterocycloalkyl.

11. Method of inhibiting a retroviral protease comprising administering an effective amount of a compound of claim 10.

12. Method of treating a retroviral infection comprising administering an effective amount of a compound of claim 10.

13. Method of inhibiting replication of a retrovirus comprising administering an effective amount of a compound of claim 10.
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