Substituted Tetracycline Compounds

A compound of Formula II:

• wherein:
• X is CHC(R13Y′Y), CR6′R6, S, NR6, or O;
• R2, R2′, R4′, and R4″ are each independently hydrogen, alkyl, alkenyl, alkynyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, arylalkyl, aryl, heterocyclic, heteroaromatic or a prodrug moiety;
• R4 is NR4′R4″, alkyl, alkenyl, alkynyl, hydroxyl, halogen, or hydrogen;
• R2′, R3, R10, R11 and R12 are each hydrogen or a pro-drug moiety;
• R5 is hydroxyl, hydrogen, thiol, alkanoyl, aroyl, alkaroyl, aryl, heteroaromatic, alkyl, alkenyl, alkynyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, arylalkyl, alkyl carbonyloxy, or aryl carbonyloxy;
• R6 and R6′ are each independently hydrogen, methylene, absent, hydroxyl, halogen, thiol, alkyl, alkenyl, alkynyl, aryl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, or an arylalkyl;
• R7 is —CH2NR7aR7b, halogen, —CH2OR7a, substituted alkenylfuranyl, pyrazinyl, pyridinyl, alkyl, acyl, alkyl, alkenyl, alkynyl, aryl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, arylalkyl, amino, arylalkenyl, arylalkynyl, or —(CH2)0-3NR7cC(═W′)WR7a;
• R8 is hydrogen, hydroxyl, halogen, thiol, alkyl, alkenyl, alkynyl, aryl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, or an arylalkyl;
• R9 is —CH2SR9a, —CH2S(═O)R9a, —CH2S(═O)2R9a, —CH2NR9aR9b, SO3H, aminoalkyl, furanyl, substituted alkyl, —(CH2)0-3(NR9c)0-1C(═Z′)(Z)0-1R9a, nitro, alkyl, alkenyl, alkynyl, aryl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, arylalkyl, amino, arylalkenyl, arylalkynyl, thionitroso, or —(CH2)0-3(NR9c)0-1C(═Z′)(Z)0-1R9a;
• Z is CR9dR9e, S, NR9b or O;
• Z′ is O, S, or NR9f;
• W is CR7dR7e, S, NR7b or O;
• W′ is O, NR7 S;
• R7a, R7b, R7c, R7d, R7e, R9a, R9b, R9c, R9d, and R9e are each independently hydrogen, acyl, alkyl, alkenyl, alkynyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, arylalkyl, aryl, heterocyclic, heteroaromatic or a prodrug moiety;
• R13 is hydrogen, hydroxy, alkyl, alkenyl, alkynyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, or an arylalkyl;
• and
• Y′ and Y are each independently hydrogen, halogen, hydroxyl, cyano, sulfhydryl, amino, alkyl, alkenyl, alkynyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, or an arylalkyl, or a pharmaceutically acceptable salt thereof, provided that R7 and R9 are not both unsubstituted phenyl.

A compound of formula III:

• wherein:
• X is CHC(R13Y′Y), CR6′R6, S, NR6, or O;
• R2, R4′, R4″, R7′ and R7″ are each hydrogen, alkyl, alkenyl, alkynyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, arylalkyl, aryl, heterocyclic, heteroaromatic or a prodrug moiety;
• R4 is NR4′R4″, alkyl, alkenyl, alkynyl, aryl, hydroxyl, halogen, or hydrogen;
• R2′, R3, R10, R11 and R12 are each hydrogen or a pro-drug moiety;
• R5 is hydroxyl, hydrogen, thiol, alkanoyl, aroyl, alkaroyl, aryl, heteroaromatic, alkyl, alkenyl, alkynyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, arylalkyl, alkyl carbonyloxy, or aryl carbonyloxy;
• R6 and R6′ are independently hydrogen, methylene, absent, hydroxyl, halogen, thiol, alkyl, alkenyl, alkynyl, aryl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, or an arylalkyl;
• R7 is NR7′R7″, alkyl, alkenyl, alkynyl, aryl, hydroxyl, halogen, or hydrogen;
• R8 is hydrogen, hydroxyl, halogen, thiol, alkyl, alkenyl, alkynyl, aryl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, or an arylalkyl;
• R9 is —C(═Z′)R9a, CH2S(═O)R9a, —CH2OR9a, alkylthio, alkylsulfinyl, alkylsulfonyl, arylalkyl, heterocyclic, arylalkenyl, arylalkynyl, thionitroso,substituted alkyl, or —(CH2)0-3(NR9c)0-1C(═Z′)(Z)0-1R9a;
• Z is CR9dR9e, S, NR9b or O;
• Z′ is NR9f, O or S;
• R9a, R9b, R9c, R9d, R9e and R9f are each independently hydrogen, acyl, alkyl, alkenyl, alkynyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, arylalkyl, aryl, heterocyclic, heteroaromatic or a prodrug moiety;
• R13 is hydrogen, hydroxy, alkyl, alkenyl, alkynyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, or an arylalkyl;
• Y′ and Y are each independently hydrogen, halogen, hydroxyl, cyano, sulfhydryl, amino, alkyl, alkenyl, alkynyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, or an arylalkyl, or a pharmaceutically acceptable salt, ester or prodrug thereof.

A compound of formula IV:

• wherein:
• X is CHC(R13Y′Y), CR6′R6, S, NR6, or O;
• R2, R4′, R4″, R7′ and R7″ are each hydrogen, alkyl, alkenyl, alkynyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, arylalkyl, aryl, heterocyclic, heteroaromatic or a prodrug moiety;
• R4 is NR4′R4″, alkyl, alkenyl, alkynyl, aryl, hydroxyl, halogen, or hydrogen;
• R2′, R3, R10, R11 and R12 are each hydrogen or a pro-drug moiety;
• R5 is hydroxyl, hydrogen, thiol, alkanoyl, aroyl, alkaroyl, aryl, heteroaromatic, alkyl, alkenyl, alkynyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, arylalkyl, alkyl carbonyloxy, or aryl carbonyloxy;
• R6 and R6′ are independently hydrogen, methylene, absent, hydroxyl, halogen, thiol, alkyl, alkenyl, alkynyl, aryl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, or an arylalkyl;
• R7 is hydrogen, hydroxyl, halogen, thiol, nitro, alkyl, alkenyl, alkynyl, aryl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, arylalkyl, amino, arylalkenyl, arylalkynyl, acyl, aminoalkyl, heterocyclic, thionitroso, or —(CH2)0-3(NR7c)0-1C(═W′)WR7a;
• R8 is hydroxyl, halogen, thiol, nitro, alkyl, alkenyl, alkynyl, aryl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, amino, arylalkenyl, arylalkynyl, acyl, aminoalkyl, heterocyclic, thionitroso, or —(CH2)0-3(NR8c)0-1C(=E′)ER8a;
• R9 is hydrogen, hydroxyl, halogen, thiol, nitro, alkyl, alkenyl, alkynyl, aryl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, arylalkyl, amino, arylalkenyl, arylalkynyl, acyl, aminoalkyl, heterocyclic, thionitroso, or —(CH2)0-3NR9cC(═Z′)ZR9a;
• R7a, R7b, R7c, R7d, R7e, R7f, 88a, R8b, R8c, R8d, R8e, RR8f, R9a, R9b, R9c, R9d, R9e, and R8f are each independently absent, hydrogen, acyl, alkyl, alkenyl, alkynyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, arylalkyl, aryl, heterocyclic, heteroaromatic or a prodrug moiety;
• E is CR8dR8e, S, NR8b or O;
• E′ is O, NR8f, or S;
• W is CR7dR7e, S, O or NR7b;
• W′ is O, NR7f, or S;
• R13 is hydrogen, hydroxy, alkyl, alkenyl, alkynyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, or an arylalkyl;
• Y′ and Y are each independently hydrogen, halogen, hydroxyl, cyano, sulfhydryl, amino, alkyl, alkenyl, alkynyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, or an arylalkyl, or a pharmaceutically acceptable salt, ester or prodrug thereof.