Aspartyl protease inhibitors

A compound having the structural formula I

• or a stereoisomer, tautomer, or pharmaceutically acceptable salt thereof, wherein
• R1 is selected from the group consisting of H, alkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, heterocycloalkylalkyl, arylcycloalkylalkyl, heteroarylcycloalkylalkyl, arylheterocycloalkylalkyl, heteroarylheterocycloalkylalkyl, cycloalkyl, arylcycloalkyl, heteroarylcycloalkyl, heterocycloalkyl, arylheterocycloalkyl, heteroarylheterocycloalkyl, alkenyl, arylalkenyl, cycloalkenyl, arylcycloalkenyl, heteroarylcycloalkenyl, heterocycloalkenyl, arylheterocycloalkenyl, heteroarylheterocycloalkenyl, alkynyl, arylalkynyl, aryl, cycloalkylaryl, heterocycloalkylaryl, cycloalkenylaryl, heterocycloalkenylaryl, heteroaryl, cycloalkylheteroaryl, heterocycloalkylheteroaryl, cycloalkenylheteroaryl, heterocycloalkenylheteroaryl, —OR18, —CN, —C(═NR11)R8, —C(O)R8, —C(O)OR9, —S(O)R10, —S(O)2R10, —C(O)N(R11)(R12), —S(O)N(R11)(R12), —S(O)2N(R11)(R12), —NO2, —N═C(R8)2 and —N(R11)(R12), provided that R1 and R5 are not both selected from —NO2, —N═C(R8)2 and —N(R11)(R12);
• R3 and R4 are each independently selected from the group consisting of H, alkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, heterocycloalkylalkyl, arylcycloalkylalkyl, heteroarylcycloalkylalkyl, arylheterocycloalkylalkyl, heteroarylheterocycloalkylalkyl, cycloalkyl, arylcycloalkyl, heteroarylcycloalkyl, heterocycloalkyl, arylheterocycloalkyl, heteroarylheterocycloalkyl, alkenyl, arylalkenyl, cycloalkenyl, arylcycloalkenyl, heteroarylcycloalkenyl, heterocycloalkenyl, arylheterocycloalkenyl, heteroarylheterocycloalkenyl, alkynyl, arylalkynyl, aryl, cycloalkylaryl, heterocycloalkylaryl, cycloalkenylaryl, heterocycloalkenylaryl, heteroaryl, cycloalkylheteroaryl, heterocycloalkylheteroaryl, cycloalkenylheteroaryl, heterocycloalkenylheteroaryl, halo, —CH2—O—Si(R9)(R10)(R19), —SH, —CN, —OR9, —C(O)R8, —C(O)OR9, —C(O)N(R11)(R12), —SR19, —S(O)N(R11)(R12), —S(O)2N(R11)(R12), —N(R11)(R12), —N(R11)C(O)R8, —N(R11)S(O)R10, —N(R11)S(O)2R10, —N(R11)C(O)N(R12)(R13), —N(R11)C(O)OR9 and —C(═NOH)R8;
• or R6 and R7, together with the carbon to which they are both attached, form a 3-7 membered cycloalkyl group optionally substituted by R14;
• or R6 and R7, together with the carbon to which they are both attached, form a 4-7 membered heterocycloalkyl group comprising one heteroatom selected from oxygen;
• or R3 and R4 together with the carbon to which they are both attached, are combined to form a multicyclic group selected from:
• wherein each M is independently —CH2—, S, —N(R19)— or O, ring A and ring B are each independently arylene or heteroarylene and q is 0, 1 or 2, provided that when q is 2, at least one M must be a —CH2— and when q is 2, M is optionally a double bond;
• and with the proviso that when R3 and R4 form said multicyclic groups;
• then adjacent R3 and R4 or R6 and R7 groups cannot be combined to form said multicyclic groups;
• or R6 and R7, together with the carbon to which they are both attached, are combined to form a multicyclic groups selected from:
• wherein each M is independently —CH2—, S, —N(R19)— or O, ring A and ring B are each independently arylene or heteroarylene and q is 0, 1 or 2, provided that when q is 2, at least one M must be a —CH2— and when q is 2, M is optionally a double bond;
• and with the proviso that when R6 and R7 form said multicyclic groups, then adjacent R3 and R4 or R6 and R7 cannot be combined to form said multicyclic groups;
• R8 is independently selected from the group consisting of H, alkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, heterocycloalkylalkyl, arylcycloalkylalkyl, heteroarylcycloalkylalkyl, arylheterocycloalkylalkyl, heteroarylheterocycloalkylalkyl, cycloalkyl, arylcycloalkyl, heteroarylcycloalkyl, heterocycloalkyl, arylheterocycloalkyl, heteroarylheterocycloalkyl, alkenyl, arylalkenyl, cycloalkenyl, arylcycloalkenyl, heteroarylcycloalkenyl, heterocycloalkenyl, arylheterocycloalkenyl, heteroarylheterocycloalkenyl, alkynyl, arylalkynyl, aryl, cycloalkylaryl, heterocycloalkylaryl, cycloalkenylaryl, heterocycloalkenylaryl, heteroaryl, cycloalkylheteroaryl, heterocycloalkylheteroaryl, cycloalkenylheteroaryl, heterocycloalkenylheteroaryl, —OR15, —N(R15)(R16), —N(R15)C(O)R16, —N(R15)S(O)R16, —N(R15)S(O)2R16, —N(R15)S(O)2N(R16)(R17), —N(R15)S(O)N(R16)(R17), —N(R15)C(O)N(R16)(R17) and —N(R15)C(O)OR16;
• R9 is independently selected from the group consisting of H, alkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, heterocycloalkylalkyl, arylcycloalkylalkyl, heteroarylcycloalkylalkyl, arylheterocycloalkylalkyl, heteroarylheterocycloalkylalkyl, cycloalkyl, arylcycloalkyl, heteroarylcycloalkyl, heterocycloalkyl, arylheterocycloalkyl, heteroarylheterocycloalkyl, alkenyl, arylalkenyl, cycloalkenyl, arylcycloalkenyl, heteroarylcycloalkenyl, heterocycloalkenyl, arylheterocycloalkenyl, heteroarylheterocycloalkenyl, alkynyl, arylalkynyl, aryl, cycloalkylaryl, heterocycloalkylaryl, cycloalkenylaryl, heterocycloalkenylaryl, heteroaryl, cycloalkylheteroaryl, heterocycloalkylheteroaryl, cycloalkenylheteroaryl, and heterocycloalkenylheteroaryl;
• R10 is independently selected from the group consisting of H, alkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, heterocycloalkylalkyl, arylcycloalkylalkyl, heteroarylcycloalkylalkyl, arylheterocycloalkylalkyl, heteroarylheterocycloalkylalkyl, cycloalkyl, arylcycloalkyl, heteroarylcycloalkyl, heterocycloalkyl, arylheterocycloalkyl, heteroarylheterocycloalkyl, alkenyl, arylalkenyl, cycloalkenyl, arylcycloalkenyl, heteroarylcycloalkenyl, heterocycloalkenyl, arylheterocycloalkenyl, heteroarylheterocycloalkenyl, alkynyl, arylalkynyl, aryl, cycloalkylaryl, heterocycloalkylaryl, cycloalkenylaryl, heterocycloalkenylaryl, heteroaryl, cycloalkylheteroaryl, heterocycloalkylheteroaryl, cycloalkenylheteroaryl, heterocycloalkenylheteroaryl and —N(R15)(R16);
• R11, R12 and R13 are independently selected from the group consisting of H, alkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, heterocycloalkylalkyl, arylcycloalkylalkyl, heteroarylcycloalkylalkyl, arylheterocycloalkylalkyl, heteroarylheterocycloalkylalkyl, cycloalkyl, arylcycloalkyl, heteroarylcycloalkyl, heterocycloalkyl, arylheterocycloalkyl, heteroarylheterocycloalkyl, alkenyl, arylalkenyl, cycloalkenyl, arylcycloalkenyl, heteroarylcycloalkenyl, heterocycloalkenyl, arylheterocycloalkenyl, heteroarylheterocycloalkenyl, alkynyl, arylalkynyl, aryl, cycloalkylaryl, heterocycloalkylaryl, cycloalkenylaryl, heterocycloalkenylaryl, heteroaryl, cycloalkylheteroaryl, heterocycloalkylheteroaryl, cycloalkenylheteroaryl, heterocycloalkenylheteroaryl, —C(O)R8, —C(O)OR9, —S(O)R10, —S(O)2R10, —C(O)N(R15)(R16), —S(O)N(R15)(R16), —S(O)2N(R15)(R16) and —CN;
• R14 is 1-5 substituents independently selected from the group consisting of alkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, heterocycloalkylalkyl, arylcycloalkylalkyl, heteroarylcycloalkylalkyl, arylheterocycloalkylalkyl, heteroarylheterocycloalkylalkyl, cycloalkyl, arylcycloalkyl, heteroarylcycloalkyl, heterocycloalkyl, arylheterocycloalkyl, heteroarylheterocycloalkyl, alkenyl, arylalkenyl, cycloalkenyl, arylcycloalkenyl, heteroarylcycloalkenyl, heterocycloalkenyl, arylheterocycloalkenyl, heteroarylheterocycloalkenyl, alkynyl, arylalkynyl, aryl, cycloalkylaryl, heterocycloalkylaryl, cycloalkenylaryl, heterocycloalkenylaryl, heteroaryl, cycloalkylheteroaryl, heterocycloalkylheteroaryl, cycloalkenylheteroaryl, heterocycloalkenyiheteroaryl, halo, —CN, —OR15, —C(O)R15, —C(O)OR15, —C(O)N(R15)(R16), —SR15, —S(O)N(R15)(R16), —S(O)2N(R15)(R16), —C(═NOR15)R16, —P(O)(OR15)(OR16), —N(R15)(R16), —N(R15)C(O)R16, —N(R15)S(O)R16, —N(R15)S(O)2R16, —N(R15)S(O)2N(R16)(R17), —N(R15)S(O)N(R16)(R17), —N(R15)C(O)N(R16)(R17) and —N(R15)C(O)OR16,
• R15, R16 and R17 are independently selected from the group consisting of H, alkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, heterocycloalkylalkyl, arylcycloalkylalkyl, heteroarylcycloalkylalkyl, arylheterocycloalkylalkyl, heteroarylheterocycloalkylalkyl, cycloalkyl, arylcycloalkyl, heteroarylcycloalkyl, heterocycloalkyl, arylheterocycloalkyl, heteroarylheterocycloalkyl, alkenyl, arylalkenyl, cycloalkenyl, arylcycloalkenyl, heteroarylcycloalkenyl, heterocycloalkenyl, arylheterocycloalkenyl, heteroarylheterocycloalkenyl, alkynyl, arylalkynyl, aryl, cycloalkylaryl, heterocycloalkylaryl, cycloalkenylaryl, heterocycloalkenylaryl, heteroaryl, cycloalkylheteroaryl, heterocycloalkylheteroaryl, cycloalkenylheteroaryl, heterocycloalkenylheteroaryl, R18-alkyl, R18-arylalkyl, R18-heteroarylalkyl, R18-cycloalkylalkyl, R18-heterocycloalkylalkyl, R18-arylcycloalkylalkyl, R18-heteroarylcycloalkylalkyl, R18-arylheterocycloalkylalkyl, R18-heteroarylheterocycloalkylalkyl, R18-cycloalkyl, R18-arylcycloalkyl, R18-heteroarylcycloalkyl, R18-heterocycloalkyl, R18-arylheterocycloalkyl, R18-heteroarylheterocycloalkyl, R18-alkenyl, R18-arylalkenyl, R18-cycloalkenyl, R18-arylcycloalkenyl, R18-heteroarylcycloalkenyl, R18-heterocycloalkenyl, R18-arylheterocycloalkenyl, R18-heteroarylheterocycloalkenyl, R18-alkynyl, R18-arylalkynyl, R18-aryl, R18-cycloalkylaryl, R18-heterocycloalkylaryl, R18-cycloalkenylaryl, R18-heterocycloalkenylaryl, R18-heteroaryl, R15-cycloalkylheteroaryl, R18-heterocycloalkylheteroaryl, R18-cycloalkenylheteroaryl, and R18-heterocycloalkenylheteroaryl;
• or
• R18 is 1-5 substituents independently selected from the group consisting of alkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, heterocycloalkylalkyl, arylcycloalkylalkyl, heteroarylcycloalkylalkyl, arylheterocycloalkylalkyl, heteroarylheterocycloalkylalkyl, cycloalkyl, arylcycloalkyl, heteroarylcycloalkyl, heterocycloalkyl, arylheterocycloalkyl, heteroarylheterocycloalkyl, alkenyl, arylalkenyl, cycloalkenyl, arylcycloalkenyl, heteroarylcycloalkenyl, heterocycloalkenyl, arylheterocycloalkenyl, heteroarylheterocycloalkenyl, alkynyl, arylalkynyl, aryl, cycloalkylaryl, heterocycloalkylaryl, cycloalkenylaryl, heterocycloalkenylaryl, heteroaryl, cycloalkylheteroaryl, heterocycloalkylheteroaryl, cycloalkenylheteroaryl, heterocycloalkenylheteroaryl, —NO2, halo, HO-alkoxyalkyl, —CF3, —CN, alkyl-CN, —C(O)R19, —C(O)OH, —C(O)OR19, —C(O)NHR20, —C(O)NH2, —C(O)NH2—C(O)N(alkyl)2, —C(O)N(alkyl)(aryl), —C(O)N(alkyl)(heteroaryl), —SR19, —S(O)2R20, —S(O)NH2, —S(O)NH(alkyl), —S(O)N(alkyl)(alkyl), —S(O)NH(aryl), —S(O)2NH2, —S(O)2NHR19, —S(O)2NH(heterocycloalkyl), —S(O)2N(alkyl)2, —S(O)2N(alkyl)(aryl), —OCF3, —OH, —R20, —O-heterocycloalkyl, —O-cycloalkylalkyl, —O-heterocycloalkylalkyl, —NH2, —NHR20, —N(alkyl)2, —N(arylalkyl)2, —N(arylalkyl)-(heteroarylalkyl), —NHC(O)R20, —NHC(O)NH2, —NHC(O)NH(alkyl), —NHC(O)N(alkyl)(alkyl), —N(alkyl)C(O)NH(alkyl), —N(alkyl)C(O)N(alkyl)(alkyl), —NHS(O)2R20, —NHS(O)2NH(alkyl), —NHS(O)2N(alkyl)(alkyl), —N(alkyl)S(O)2NH(alkyl) and —N(alkyl)S(O)2N(alkyl)(alkyl);
• or two R18 moieties on adjacent carbons can be linked together to form
• R19 is alkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, heterocycloalkylalkyl, arylcycloalkylalkyl, heteroarylcycloalkylalkyl, arylheterocycloalkylalkyl, heteroarylheterocycloalkylalkyl, cycloalkyl, arylcycloalkyl, heteroarylcycloalkyl, heterocycloalkyl, arylheterocycloalkyl, heteroarylheterocycloalkyl, alkenyl, arylalkenyl, cycloalkenyl, arylcycloalkenyl, heteroarylcycloalkenyl, heterocycloalkenyl, arylheterocycloalkenyl, heteroarylheterocycloalkenyl, alkynyl, arylalkynyl, aryl, cycloalkylaryl, heterocycloalkylaryl, cycloalkenylaryl, heterocycloalkenylaryl, heteroaryl, cycloalkylheteroaryl, heterocycloalkylheteroaryl, cycloalkenylheteroaryl or heterocycloalkenylheteroaryl;
• R20 is halo substituted aryl, alkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, heterocycloalkylalkyl, arylcycloalkylalkyl, heteroarylcycloalkylalkyl, arylheterocycloalkylalkyl, heteroarylheterocycloalkylalkyl, cycloalkyl, arylcycloalkyl, heteroarylcycloalkyl, heterocycloalkyl, arylheterocycloalkyl, heteroarylheterocycloalkyl, alkenyl, arylalkenyl, cycloalkenyl, arylcycloalkenyl, heteroarylcycloalkenyl, heterocycloalkenyl, arylheterocycloalkenyl, heteroarylheterocycloalkenyl, alkynyl, arylalkynyl, aryl, cycloalkylaryl, heterocycloalkylaryl, cycloalkenylaryl, heterocycloalkenylaryl, heteroaryl, cycloalkylheteroaryl, heterocycloalkylheteroaryl, cycloalkenylheteroaryl or heterocycloalkenylheteroaryl,
• and wherein each of the alkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, heterocycloalkylalkyl, arylcycloalkylalkyl, heteroarylcycloalkylalkyl, arylheterocycloalkylalkyl, heteroarylheterocycloalkylalkyl, cycloalkyl, arylcycloalkyl, heteroarylcycloalkyl, heterocycloalkyl, arylheterocycloalkyl, heteroarylheterocycloalkyl, alkenyl, arylalkenyl, cycloalkenyl, arylcycloalkenyl, heteroarylcycloalkenyl, heterocycloalkenyl, arylheterocycloalkenyl, heteroarylheterocycloalkenyl, alkynyl, arylalkynyl, aryl, cycloalkylaryl, heterocycloalkylaryl, cycloalkenylaryl, heterocycloalkenylaryl, heteroaryl, cycloalkylheteroaryl, heterocycloalkylheteroaryl, cycloalkenylheteroaryl or heterocycloalkenylheteroaryl groups in R3, R4, R6, R8, R9, R10, R11, R12, R13 and R14 are independently unsubstituted or substituted by 1 to 5 R21 groups independently selected from the group consisting
• alkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, heterocycloalkylalkyl, arylcycloalkylalkyl, heteroarylcycloalkylalkyl, arylheterocycloalkylalkyl, heteroarylheterocycloalkylalkyl, cycloalkyl, arylcycloalkyl, heteroarylcycloalkyl, heterocycloalkyl, arylheterocycloalkyl, heteroarylheterocycloalkyl, alkenyl, arylalkenyl, cycloalkenyl, arylcycloalkenyl, heteroarylcycloalkenyl, heterocycloalkenyl, arylheterocycloalkenyl, heteroarylheterocycloalkenyl, alkynyl, arylalkynyl, aryl, cycloalkylaryl, heterocycloalkylaryl, cycloalkenylaryl, heterocycloalkenylaryl, heteroaryl, cycloalkylheteroaryl, heterocycloalkylheteroaryl, cycloalkenylheteroaryl, heterocycloalkenylheteroaryl, halo, —CN, —C(═NR11)R15, —OR15, —C(O)R15, —C(O)OR15, —C(O)N(R15)(R16), —SR15, —S(O)N(R15)(R16), —CH(R15)(R16), —S(O)2N(R15)(R16), —C(═NOR15)R16, —P(O)(OR15)(OR16), —N(R15)(R16), -alkyl-N(R15)(R16), —N(R15)C(O)R16, —CH2—N(R15)C(O)R16, —CH2—N(R15)C(O)N(R16)(R17), —CH2—R15;
• —CH2N(R15)(R16), —N(R15)S(O)R16, —N(R15)S(O)2R16, —CH2—N(R15)S(O)2R16, —N(R15)S(O)2N(R16)(R17), —N(R15)S(O)N(R16)(R17), —N(R15)C(O)N(R16)(R17), —CH2—N(R15)C(O)N(R16)(R17), —N(R15)C(O)OR16, —CH2—N(R15)C(O)OR16, —S(O)R15, —N3, —NO2 and —S(O)2R15;
• and wherein each of the alkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, heterocycloalkylalkyl, arylcycloalkylalkyl, heteroarylcycloalkylalkyl, arylheterocycloalkylalkyl, heteroarylheterocycloalkylalkyl, cycloalkyl, arylcycloalkyl, heteroarylcycloalkyl, heterocycloalkyl, arylheterocycloalkyl, heteroarylheterocycloalkyl, alkenyl, arylalkenyl, cycloalkenyl, arylcycloalkenyl, heteroarylcycloalkenyl, heterocycloalkenyl, arylheterocycloalkenyl, heteroarylheterocycloalkenyl, alkynyl, arylalkynyl, aryl, cycloalkylaryl, heterocycloalkylaryl, cycloalkenylaryl, heterocycloalkenylaryl, heteroaryl, cycloalkylheteroaryl, heterocycloalkylheteroaryl, cycloalkenylheteroaryl or heterocycloalkenylheteroaryl groups in R21 are independently unsubstituted or substituted by 1 to 5 R22 groups independently selected from the group consisting of alkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, heterocycloalkylalkyl, arylcycloalkylalkyl, heteroarylcycloalkylalkyl, arylheterocycloalkylalkyl, heteroarylheterocycloalkylalkyl, cycloalkyl, arylcycloalkyl, heteroarylcycloalkyl, heterocycloalkyl, arylheterocycloalkyl, heteroarylheterocycloalkyl, alkenyl, arylalkenyl, cycloalkenyl, arylcycloalkenyl, heteroarylcycloalkenyl, heterocycloalkenyl, arylheterocycloalkenyl, heteroarylheterocycloalkenyl, alkynyl, arylalkynyl, aryl, cycloalkylaryl, heterocycloalkylaryl, cycloalkenylaryl, heterocycloalkenylaryl, heteroaryl, cycloalkylheteroaryl, heterocycloalkylheteroaryl, cycloalkenylheteroaryl, heterocycloalkenylheteroaryl, halo, —CN, —C(═NR11)R15, —OR15, —C(O)R15, —C(O)OR15, —C(O)N(R15)(R16), —SR15, —S(O)N(R15)(R16), —CH(R15)(R16), —S(O)2N(R15)(R16), —C(═NOR15)R16, —P(O)(OR15)(OR16), —N(R15)(R16), -alkyl-N(R15)(R16), —N(R15)C(O)R16, —CH2—N(R15)C(O)R16, —CH2—N(R15)C(O)N(R16)(R17), —CH2—R15;
• —CH2N(R15)(R16), —N(R15)S(O)R16, —N(R15)S(O)2R16, —CH2—N(R15)S(O)2R16, —N(R15)S(O)2N(R16)(R17), —N(R15)S(O)N(R16)(R17), —N(R15)C(O)N(R16)(R17), —CH2—N(R15)C(O)N(R16)(R17), —N(R15)C(O)OR16, —CH2—N(R15)C(O)OR16, —S(O)R15, —N3, —NO2 and —S(O)2R15,
• R30 is independently selected from the group consisting of alkylene, arylalkylene, heteroarylalkylene, cycloalkylalkylene, heterocycloalkylalkylene, arylcycloalkylalkylene, heteroarylcycloalkylalkylene, arylheterocycloalkylalkylene, heteroarylheterocycloalkylalkylene, cycloalkylene, arylcycloalkylene, heteroarylcycloalkylene, heterocycloalkylene, arylheterocycloalkylene, heteroarylheterocycloalkylene, alkenylene, arylalkenylene, cycloalkenylene, arylcycloalkenylene, heteroarylcycloalkenylene, heterocycloalkenylene, arylheterocycloalkenylene, heteroarylheterocycloalkenylene, alkynylene, arylalkynylene, arylene, cycloalkylarylene, heterocycloalkylarylene, cycloalkenylarylene, heterocycloalkenylarylene, heteroarylene, cycloalkylheteroarylene, heterocycloalkylheteroarylene, cycloalkenylheteroarylene and heterocycloalkenylheteroarylene, wherein each of said R30 groups is independently unsubstituted or substituted by replacement of 1 to 3 available hydrogen atoms with 1 to 3 R21 groups;
• and
• R31 is
• wherein T is a bond, —O—((C(R23)(R23))—, —S—((C(R23)(R23))—, —NH—((C(R23)(R23))— or —((C(R23)(R23))1-3—, wherein R23 is H.