Details for Patent: 6,417,387

Title:	.alpha.-and .beta.-amino acid hydroxyethylamino sulfonamides useful as retroviral protease inhibitors
Abstract:	.alpha.- and .beta.-amino acid hydroxyethylamino sulfonamide compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease.
Inventor(s):	Vazquez; Michael L. (Gurnee, IL), Mueller; Richard A. (Glencoe, IL), Talley; John J. (Brentwood, MO), Getman; Daniel P. (Chesterfield, 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:	Mar 05, 2001
Application Number:	09/798,255
Claims:	1. A compound represented by the formula: ##STR621## or a pharmaceutically acceptable salt, prodrug 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.31, --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 radicals, 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, 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.6 is a hydrogen or alkyl radical; x is 1 or 2; t is 0 or 1; and Y is O or S; 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, heteroaryl, heteroaralkyl, heterocycloalkyl and heterocycloalkyalkyl 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 ##STR622## wherein R is a hydrogen, alkoxycarbonyl, aralkoxycarbonyl, alkylcarbonyl, cycloalkylcarbonyl, cycloalkylalkoxycarbonyl, cycloalkylalkanoyl, carboxyalkanoyl, alkanoyl, aralkanoyl, aroyl, aryloxycarbonyl, aryloxycarbonylalkyl, aryloxyalkanoyl, heterocyclylcarbonyl, heterocyclyloxycarbonyl, heterocyclylalkanoyl, heterocyclylalkoxycarbonyl, 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 heterocycloalkyalkyl 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 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; 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.