Compounds
AssigneeAstraZeneca AB
InventorsDaniel Pagé, Christopher Walpole, Hua Yang
Life of this patent
Estimating the term…
Abstract
Compounds of formula (I) wherein RF1, RF2, Z, R1, R2, Ar, X and Y are as defined in the specification as well as salts and pharmaceutical compositions including the compounds were prepared. These compounds are useful in therapy, in particular in the management of pain.
Claims18
A compound of formula (I) or pharmaceutically acceptable salts thereof:
- wherein
- RF1 and RF2 are independently selected from —CF3, —CH2CF3, —CH2CHF2, —CHFCF3, —CHFCHF2, —CHFCH2F, —CF2CF3, —CF2CH3, —CF2CH2F, —CF2CHF2, —CF3, —CH2CCl3, —CH2CHCl2, —CH2CBr3, —CH2CHBr3, —CH2NO2, —CH2CH2NO2, —CH2CN, —CH2CH2CN, and —CH2CH2OCH3;
- Z is selected from O═ and S═;
- R1 is selected from C1-10alkyl;
- C1-10alkyl substituted by at least one of halogen, cyano, acetoxymethyl and nitro;
- C2-10alkenyl;
- C2-10alkenyl substituted by at least one of halogen, cyano, acetoxymethyl and nitro;
- C2-10alkynyl;
- C2-10alkynyl substituted by at least one of halogen, cyano, acetoxymethyl and nitro;
- R3R4N—C1-6alkyl;
- R3R4NO(═O)—C1-6alkyl;
- R3O—C1-6alkyl;
- R3OC(═O)—C1-6alkyl;
- R3O(═O)—C1-6alkyl;
- R3O(═O)NR3—C1-6alkyl;
- R3R4NSO2—C1-6alkyl;
- R3OSO2N(R4)—C1-6alkyl;
- R3R4NO(═O)N(R5)—C1-6alkyl;
- R3R4NSO2N(R5)—C1-6alkyl;
- aryl-C1-6alkyl;
- aryl-O(═O)—C1-6alkyl;
- heterocyclyl-C1-6alkyl;
- heterocyclyl-O(═O)—C1-6alkyl;
- substituted aryl-C1-6alkyl;
- substituted aryl-O(═O)—C1-6alkyl;
- substituted heterocyclyl-C1-6alkyl;
- substituted heterocyclyl-O(═O)—C1-6alkyl;
- and C1-10hydrocarbylamino;
- R2 is selected from C1-6alkyl, substituted C1-6alkyl, C2-6alkenyl, substituted C2-6alkenyl, C2-6alkynyl, substituted C2-6alkynyl, C3-6cycloalkyl, substituted C3-6cycloalkyl, aryl, substituted aryl, and C5-6heteroaryl, and substituted C5-6heteroaryl;
- R3, R4 and R5 are independently selected from —H, C1-6alkyl, C2-6alkenyl, C2-6alkynyl, and a divalent C1-6 group that together with another divalent C1-6 group forms a portion of a ring;
- X is selected from —NR6—, —C(═O)—, —CH2—CH2—, —CH═CH—, —O—, —C(R6)(R7)—, and —S(O)n—, wherein n is 0, 1 or 2, wherein R6 and R7 are independently C1-6alkyl, C2-6alkenyl, C2-6alkynyl, C1-6alkoxy, —OH, or —H;
- Ar is selected from an arylene;
- an heteroarylene;
- an arylene substituted by at least one group selected from C1-6alkyl, halogen, trifluoromethyl, cyano, nitro, hydroxy and C1-6alkoxy;
- and an heteroarylene substituted by at least one group selected from C1-6alkyl, halogen, trifluoromethyl, cyano, nitro, hydroxy and C1-6alkoxy;
- and
- Y is selected from —CH═ and —N═.
A method of producing a compound of Formula (I) comprising the step of reacting a compound represented by formula (II) with R2OArXCOA:
- wherein
- RF1 and RF2 are independently selected from —CF3, —CH2CF3, —CH2CHF2, —CHFCF3, —CHFCHF2, —CHFCH2F, —CF2CF3, —CF2CH3, —CF2CH2F, —CF2CHF2, —CF3, —CH2CCl3, —CH2CHCl2, —CH2CBr3, —CH2CHBr3, —CH2NO2, —CH2CH2NO2, —CH2CN, —CH2CH2CN, and —CH2CH2OCH3;
- Z is selected from O═ and S═;
- R1 is selected from C1-10alkyl;
- C1-10alkyl substituted by at least one of halogen, cyano, acetoxymethyl and nitro;
- C2-10alkenyl;
- C2-10alkenyl substituted by at least one of halogen, cyano, acetoxymethyl and nitro;
- C2-10alkynyl;
- C2-10alkynyl substituted by at least one of halogen, cyano, acetoxymethyl and nitro;
- R3R4N—C1-6alkyl;
- R3R4NC(═O)—C1-6alkyl;
- R3O—C1-6alkyl;
- R3OC(═O)—C1-6alkyl;
- R3C(═O)—C1-6alkyl;
- R3C(═O)NR3—C1-6alkyl;
- R3R4NSO2—C1-6alkyl;
- R3OSO2N(R4)—C1-6alkyl;
- R3R4NO(═O)N(R5)—C1-6alkyl;
- R3R4NSO2N(R5)—C1-6alkyl;
- aryl-C1-6alkyl;
- aryl-O(═O)—C1-6alkyl;
- heterocyclyl-C1-6alkyl;
- heterocyclyl-O(═O)—C1-6alkyl;
- substituted aryl-C1-6alkyl;
- substituted aryl-O(═O)—C1-6alkyl;
- substituted heterocyclyl-C1-6alkyl;
- substituted heterocyclyl-O(═O)—C1-6alkyl;
- and C1-10hydrocarbylamino;
- R2 is selected from C1-6alkyl, substituted C1-6alkyl, C2-6alkenyl, substituted C2-6alkenyl, C2-6alkynyl, substituted C2-6alkynyl, C3-6cycloalkyl, substituted C3-6cycloalkyl, aryl, substituted aryl, and C5-6heteroaryl, and substituted C5-6heteroaryl;
- R3, R4 and R5 are independently selected from —H, C1-6alkyl, C2-6alkenyl, C2-6alkynyl, and a divalent C1-6 group that together with another divalent C1-6 group forms a portion of a ring;
- X is selected from —NR6—, —C(═O)—, —CH2—CH2—, —CH═CH—, —O—, —C(R6)(R7)—, and —S(O)n—, wherein n is 0, 1 or 2, wherein R6 and R7 are independently C1-6alkyl, C2-6alkenyl, C2-6alkynyl, C1-6alkoxy, —OH, or —H;
- A is selected from —OH, —Cl, —Br, and —I;
- Ar is selected from an arylene:
- an heteroarylene:
- an arylene substituted by at least one group selected from C1-6alkyl, halogen, trifluoromethyl, cyano, nitro, hydroxy and C1-6alkoxy;
- and an heteroarylene substituted by at least one group selected from C1-6alkyl, halogen, trifluoromethyl, cyano, nitro, hydroxy and C1-6alkoxy;
- and
- Y is selected from CH═ and N═.
A method of producing a compound of Formula (I) comprising the step of reacting a compound represented by formula (III) with formaldehyde:
- wherein
- r and s are selected from 0, 1 and 2;
- R10 is selected from C1-6alkylene, —O—, and —NR11—, wherein R11 is a C1-6alkyl;
- RF1 and RF2 are independently selected from —CF3, —CH2CF3, —CH2CHF2, —CHFCF3, —CHFCHF2, —CHFCH2F, —CF2CF3, —CF2CH3, —CF2CH2F, —CF2CHF2, —CF3, —CH2CCl3, —CH2CHCl2, —CH2CBr3, —CH2CHBr3, —CH2NO2, —CH2CH2NO2, —CH2CN, —CH2CH2CN, and —CH2CH2OCH3;
- X is selected from —NR6—, —C(═O)—, —CH2—CH2—, —CH═CH—, —O—, —C(R6)(R7)—, and —S(O)n—, wherein n is 0, 1 or 2, wherein R6 and R7 are independently C1-6alkyl, C2-6alkenyl, C2-6alkynyl, C1-6alkoxy, —OH, or —H;
- Ar is selected from an arylene;
- an heteroarylene;
- an arylene substituted by at least one group selected from C1-6alkyl, halogen, trifluoromethyl, cyano, nitro, hydroxy and C1-6alkoxy;
- and an heteroarylene substituted by at least one group selected from C1-6alkyl, halogen, trifluoromethyl, cyano, nitro, hydroxy and C1-6alkoxy;
- R2 is selected from C1-6alkyl, substituted C1-6alkyl, C2-6alkenyl, substituted C2-6alkenyl, C2-6alkynyl, substituted C2-6alkynyl, C3-6cycloalkyl, substituted C3-6cycloalkyl, aryl, substituted aryl, and C5-6heteroaryl, and substituted C5-6heteroaryl;
- and
- Y is selected from CH═ and N═.
Dependencies are inferred from the claim text.