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Anti-inflammatory 4,5-diarly-2-(substituted-thio)imidazoles and their corresponding sulfoxides and sulfones

Assignee: EIDP Inc
•
Filing: 1978-02-10
•
Granted: 1980-02-26
•
Expires: 1998-02-10
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Abstract

Abstract Anti-inflammatory 4,5-diaryl-2-(substituted-thio)imidazols and their corresponding sulfoxides and sulfones useful for treating arthritis and related diseases.

Inventors

  • 👤 Saul C. Cherkofsky
  • 👤 Thomas R. Sharpe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 11:58
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/54; C07D233/66; C07D233/84

Claims Analysis

Total Claims: 85
Claim 1
Independent Claim 208 words
A compound of the formula ##STR16## where n=0, 1, or 2; R 1 =C 1 --C 8 alkyl; allyl; vinyl; --CH 2 COCH 3 ; --CH 2 S(O) m CH 3 , where m=0, 1, or 2; mono-- or polyhalo-- C 1 -C 8 alkyl; R 2 and R 3 , the same or different= ##STR17## Y 1 and Y 2 , the same or different=hydrogen, C 1 -C 4 alkoxy, acetoxy, C 1 -C 4 alkyl, Cl, F, CF 3 , N(CH 3 ) 2 , NO 2 , CH 3 S--, CH 3 SO 2 --, or Y 1 and Y 2 taken together forming a dioxymethylene bridge; provided, when n=0, 1 or 2 and Y 1 and Y 2 both=hydrogen, R 1 cannot be vinyl; provided, when R 1 =C 1 -C 8 alkyl, C 3 -C 8 haloalkyl with halogen substituted at the 3 through 8 position, allyl or --CH 2 COCH 3 , both Y 1 and Y 2 cannot be H; provided further, when n=O and R 1 =CH 3 , both Y 1 and Y 2 cannot be p-Cl or p-OCH 3 ; its pharmaceutically suitable acid addition salt where N=O or its pharmaceutically suitable metal salt where n=1 or 2.
Claim 2
Dependent Claim 208 words
A compound of the formula ##STR16## where n=0, 1, or 2; R 1 =C 1 --C 8 alkyl; allyl; vinyl; --CH 2 COCH 3 ; --CH 2 S(O) m CH 3 , where m=0, 1, or 2; mono-- or polyhalo-- C 1 -C 8 alkyl; R 2 and R 3 , the same or different= ##STR17## Y 1 and Y 2 , the same or different=hydrogen, C 1 -C 4 alkoxy, acetoxy, C 1 -C 4 alkyl, Cl, F, CF 3 , N(CH 3 ) 2 , NO 2 , CH 3 S--, CH 3 SO 2 --, or Y 1 and Y 2 taken together forming a dioxymethylene bridge; provided, when n=0, 1 or 2 and Y 1 and Y 2 both=hydrogen, R 1 cannot be vinyl; provided, when R 1 =C 1 -C 8 alkyl, C 3 -C 8 haloalkyl with halogen substituted at the 3 through 8 position, allyl or --CH 2 COCH 3 , both Y 1 and Y 2 cannot be H; provided further, when n=O and R 1 =CH 3 , both Y 1 and Y 2 cannot be p-Cl or p-OCH 3 ; its pharmaceutically suitable acid addition salt where N=O or its pharmaceutically suitable metal salt where n=1 or 2.
Claim 3
Dependent Claim 199 words
A compound of claim 1 where n=0, 1, or 2; R 1 =C 1 -C 4 alkyl; allyl; vinyl; --CH 2 COCH 3 ; --CH 2 S(O) m CH 3 , where m=0, 1, or 2; mono-- or polyhalo-- C 1 -C 4 alkyl; R 2 and R 3 , the same or different= ##STR18## Y 1 and Y 2 , the same or different= hydrogen, C 1 -C 4 alkoxy, acetoxy, C 1 -C 4 alkyl, Cl, F, CF 3 , --N(CH 3 ) 2 , NO 2 , CH 3 S--, CH 3 SO 2 --, or Y 1 and Y 2 taken together forming a dioxymethylene bridge; provided when n=0, 1 or 2 and Y 1 and Y 2 both=hydrogen, R 1 cannot be vinyl provided, when R 1 =C 1 -C 4 alkyl, C 3 -C 4 haloalkyl with halogen substituted at the 3 or 4 position, allyl, or --CH 2 COCH 3 , both Y 1 and Y 2 cannot be H; provided further, when n=o and R 1 =CH 3 , both Y 1 and Y 2 cannot be p-Cl or p-OCH 3 ; or its pharmaceutically suitable salt where n=1 or 2.
Claim 4
Dependent Claim 157 words
The compound of claim 1 where: n=0, 1, or 2; R 1 =C 1 -C 4 alkyl; allyl; --CH 2 COCH 3 ; --CH 2 S(O) m CH 3 , where m=0, 1, or 2; mono-- and polyfluoro C 1 -C 4 alkyl; R 2 and R 3 , the same or different= ##STR19## Y 1 and Y 2 , the same or different=hydrogen, methoxy, ethoxy, acetoxy, C 1 -C 4 alkyl, Cl, F, CF 3 , --N(CH 3 ) 2 , or Y 1 and Y 2 taken together forming a dioxymethylene bridge; provided, when R 1 =C 1 -C 4 alkyl, C 3 -C 4 fluoroalkyl with the fluorine substituted at the 3 or 4 position, allyl, or --CH 2 COCH 3 , both Y 1 and Y 2 cannot be H; provided further, when n=0 and R 1 =CH 3 , both Y 1 and Y 2 cannot be p-Cl or p-OCH 3 .
Claim 5
Dependent Claim 13 words
The compound of claim 1 where R 1 =--CF 2 CF 2 H.
Claim 6
Dependent Claim 11 words
The compound of claim 1 where R 1 =--CF 3 .
Claim 7
Dependent Claim 20 words
The compound of claim 1 where R 2 and R 3 independently,= ##STR20## where Y 1 =H, Cl, or F.
Claim 8
Dependent Claim 9 words
The compound of claim 1 where n=1 or 2.
Claim 9
Dependent Claim 34 words
The compound of claim 3 where R 1 =--CF 2 CF 2 H; R 2 and R 3 , independently, = ##STR21## where Y 1 =H, Cl, or F; and n=0, 1, or 2.
Claim 10
Dependent Claim 31 words
The compound of claim 3 where R 1 =--CF 3 ; R 2 and R 3 , independently, = ##STR22## Y 1 =H, Cl, or F; an n=0, 1, or 2.
Claim 11
Dependent Claim 33 words
The compound of claim 3 where R 1 =--CF 2 CF 2 H; R 2 and R 3 , independently, = ##STR23## where Y 1 =H, Cl, or F; and n=0 or 2.
Claim 12
Dependent Claim 8 words
The compound of claim 3: 4(or 5)-(3,4-dichlorophenyl)-5(or 4)-phenyl-2-(1,1,2,2-tetrafluoroethylsulfonyl)imidazole.
Claim 13
Dependent Claim 6 words
The compound of claim 3: 4,5-bis(4-fluorophenyl)-2-(1,1,2,2-tetrafluoroethylsulfonyl)imidazole.
Claim 14
Dependent Claim 8 words
The compound of claim 3: 4(or 5)-(4-fluorophenyl)-5(or 4)-phenyl-2-(1,1,2,2-tetrafluoroethylsulfonyl)imidazole.
Claim 15
Dependent Claim 6 words
The compound of claim 3: 4,5-bis(4-chlorophenyl)-2-(1,1,2,2-tetrafluoroethylsulfonyl)imidazole.
Claim 16
Dependent Claim 8 words
The compound of claim 3: 4(or 5)-(4-chlorophenyl)-5(or 4)-phenyl-2-(1,1,2,2-tetrafluoroethylsulfonyl)imidazole.
Claim 17
Dependent Claim 6 words
The compound of claim 3: 4,5-diphenyl-2-(1,1,2,2-tetrafluoroethylsulfonyl)imidazole.
Claim 18
Dependent Claim 6 words
The compound of claim 3: 4,5-diphenyl-2-(1,1,2,2-tetrafluoroethylthio)imidazole.
Claim 19
Dependent Claim 6 words
The compound of claim 3: 4,5-diphenyl-2-trifluoromethylsulfonylimidazole.
Claim 20
Dependent Claim 6 words
The compound of claim 3: 4,5-bis(p-fluorophenyl)-2-trifluoromethylthioimidazole.
Claim 21
Dependent Claim 6 words
The compound of claim 3: 4,5-bis(p-fluorophenyl)-2-trifluoromethylsulfonylimidazole.
Claim 22
Dependent Claim 47 words
The compound of claim 3 of the formula ##STR24## where R 1 =C 1 -C 4 alkyl, monohalo- or polyhalo-C 1 -C 4 alkyl; Y 1 and Y 2 , the same or different, =H, 2-methoxy, 4-methoxy, 2-ethoxy, 4-ethoxy, 2-chloro, or 4-chloro; and n=0, 1, or 2.
Claim 23
Dependent Claim 49 words
The compound of claim 21 where R 1 =polyhalo-C 1 -C 2 alkyl; Y 1 and Y 2 , the same or different=H, 2-methoxy, 4-methoxy, 2-ethoxy, 4-ethoxy, 2-chloro, or 4-chloro; provided, that at least one of Y 1 and Y 2 =4-methoxy or 4-ethoxy; and n=0, 1 or 2.
Claim 24
Dependent Claim 6 words
The compound of claim 22: 4,5-bis(4-methoxyphenyl)-2-(1,1,2-trifluoroethylsulfonyl)imidazole.
Claim 25
Dependent Claim 6 words
The compound of claim 22: 4,5-bis(4-methoxyphenyl)-2-(1,1,2,2-tetrafluoroethylsulfonyl)imidazole.
Claim 26
Dependent Claim 6 words
The compound of claim 22: 4,5-bis(4-methoxyphenyl)-2-(2,2,2-trifluoroethylthio)imidazole.
Claim 27
Dependent Claim 6 words
The compound of claim 22: 4,5-bis(4-methoxyphenyl)-2-(2,2,2-trifluoroethylsulfinyl)imidazole.
Claim 28
Dependent Claim 6 words
The compound of claim 22: 4,5-bis(4-methoxyphenyl)-2-(2,2,2-trifluoroethylsulfonyl)imidazole.
Claim 29
Dependent Claim 6 words
The compound of claim 22: 4,5-bis(4-methoxyphenyl)-2-(trifluoromethylsulfonyl)imidazole.
Claim 30
Dependent Claim 182 words
A pharmaceutical composition comprising a suitable pharmaceutical carrier and an effective antiarthritic amount of a compound of the formula ##STR25## where n=0, 1, or 2; R 1 =C 1 -C 8 alkyl; allyl; vinyl; --CH 2 COCH 3 ; --CH 2 S(O) m CH 3 , where m=0, 1, or 2; mono- or polyhalo- C 1 -C 8 alkyl; R 2 and R 3 , the same or different = ##STR26## Y 1 and Y 2 , the same or different=hydrogen, C 1 -C 4 alkoxy, acetoxy, C 1 -C 4 alkyl, Cl, F, CF 3 , --N(CH 3 ) 2 , NO 2 , CH 3 S, CH 3 SO 2 --, or Y 1 and Y 2 taken together forming a dioxymethylene bridge; provided, when R 1 =C 1 -C 8 alkyl, C 3 -C 4 haloalkyl with the halogen substituted at the 3 through 8 position, allyl, or --CH 2 COCH 3 both Y 1 and Y 2 cannot be H; its pharmaceutically suitable acid addition salt where n=0 or its pharmaceutically suitable metal salt where n=1 or 2.
Claim 31
Dependent Claim 182 words
A pharmaceutical composition comprising a suitable pharmaceutical carrier and an effective antiarthritic amount of a compound of the formula ##STR25## where n=0, 1, or 2; R 1 =C 1 -C 8 alkyl; allyl; vinyl; --CH 2 COCH 3 ; --CH 2 S(O) m CH 3 , where m=0, 1, or 2; mono- or polyhalo- C 1 -C 8 alkyl; R 2 and R 3 , the same or different = ##STR26## Y 1 and Y 2 , the same or different=hydrogen, C 1 -C 4 alkoxy, acetoxy, C 1 -C 4 alkyl, Cl, F, CF 3 , --N(CH 3 ) 2 , NO 2 , CH 3 S, CH 3 SO 2 --, or Y 1 and Y 2 taken together forming a dioxymethylene bridge; provided, when R 1 =C 1 -C 8 alkyl, C 3 -C 4 haloalkyl with the halogen substituted at the 3 through 8 position, allyl, or --CH 2 COCH 3 both Y 1 and Y 2 cannot be H; its pharmaceutically suitable acid addition salt where n=0 or its pharmaceutically suitable metal salt where n=1 or 2.
Claim 32
Dependent Claim 134 words
The compound of claim 29 where n=0, 1, or 2; R 1 =C 1 -C 4 alkyl; allyl; --CH 2 COCH 3 ; --CH 2 S(O) m CH 3 , where m=0, 1, or 2; mono- or polyfluoro- C 1 -C 4 alkyl; R 2 and R 3 , the same or different = ##STR27## Y 1 and Y 2 , the same or different=hydrogen, methoxy, ethoxy, acetoxy, C 1 -C 4 alkyl, Cl, F, CF 3 , --N(CH 3 ) 2 , or Y 1 and Y 2 taken together forming a dioxymethylene bridge; provided, when R 1 =C 1 -C 4 alkyl, C 3 -C 4 fluoroalkyl with the fluorine substituted at the 3 or 4 position, allyl, or --CH 2 COCH 3 both Y 1 and Y 2 cannot be H.
Claim 33
Dependent Claim 13 words
The compound of claim 29 wherein R 1 =--CF 2 CF 2 H.
Claim 34
Dependent Claim 11 words
The compound of claim 29 where R 1 =--CF 3 .
Claim 35
Dependent Claim 20 words
The composition of claim 29 where R 2 and R 3 independently= ##STR28## where Y 1 =H, Cl, or F.
Claim 36
Dependent Claim 9 words
The compound of claim 29 where n=1 or 2.
Claim 37
Dependent Claim 34 words
The composition of claim 30 where R 1 =--CF 2 CF 2 H; R 2 and R 3 , independently, = ##STR29## where Y 1 =H, Cl, or F; and n=0, 1, or 2.
Claim 38
Dependent Claim 32 words
The composition of claim 30 where R 1 =--CF 3 ; R 2 and R 3 , independently, = ##STR30## where Y 1 =H, Cl, or F; and n=0, 1, or 2.
Claim 39
Dependent Claim 33 words
The composition of claim 30 where R 1 =--CF 2 CF 2 H: R 2 and R 3 , independently, = ##STR31## where Y 1 =H, Cl, or F; and n=0 or 2.
Claim 40
Dependent Claim 12 words
The composition of claim 29 where the compound is 4(or 5)-(3,4-dichlorophenyl)-5(or 4)-phenyl-2-(1,1,2,2-tetrafluoroethylsulfonyl)imidazole.
Claim 41
Dependent Claim 10 words
The composition of claim 30 where the compound is 4,5-bis(4-fluorophenyl)-2-(1,1,2,2-tetrafluoroethylsulfonyl)imidazole.
Claim 42
Dependent Claim 12 words
The composition of claim 30 where the compound is 4(or 5)-4-fluorophenyl)-5(or 4)-phenyl-2-(1,1,2,2-tetrafluoroethylsulfonyl)imidazole.
Claim 43
Dependent Claim 10 words
The composition of claim 30 where the compound is 4,5-bis(4-chlorophenyl)-2-(1,1,2,2-tetrafluoroethylsulfonyl)imidazole.
Claim 44
Dependent Claim 12 words
The composition of claim 30 where the compound is 4(or 5)-(4-chlorophenyl)-5(or 4)-phenyl-2-(1,1,2,2-tetrafluoroethylsulfonyl)imidazole.
Claim 45
Dependent Claim 10 words
The composition of claim 30 where the compound is 4,5-diphenyl-2-(1,1,2,2-tetrafluoroethylsulfonyl)imidazole.
Claim 46
Dependent Claim 10 words
The composition of claim 30 where the compound is 4,5-diphenyl-2-(1,1,2,2-tetrafluoroethylthio)imidazole.
Claim 47
Dependent Claim 10 words
The composition of claim 30 where the compound is 4,5-diphenyl-2-trifluoromethylsulfonylimidazole.
Claim 48
Dependent Claim 10 words
The composition of claim 30 where the compound is 4,5-bis(p-fluorophenyl)-2-trifluoromethylthioimidazole.
Claim 49
Dependent Claim 10 words
The composition of claim 30 where the compound is 4,5-bis(p-fluorophenyl)-2-trifluoromethylsulfonylimidazole.
Claim 50
Dependent Claim 19 words
A pharmaceutical composition comprising a suitable pharmaceutical carrier and an effective analgesic amount of the compound of claim 21.
Claim 51
Dependent Claim 19 words
A pharmaceutical composition comprising a suitable pharmaceutical carrier and an effective analgesic amount of the compound of claim 22.
Claim 52
Dependent Claim 19 words
A pharmaceutical composition comprising a suitable pharmaceutical carrier and an effective analgesic amount of the compound of claim 23.
Claim 53
Dependent Claim 19 words
A phamaceutical composition comprising a suitable pharmaceutical carrier and an effective analgesic amount of the compound of claim 24.
Claim 54
Dependent Claim 19 words
A pharmaceutical composition comprising a suitable pharmaceutical carrier and an effective analgesic amount of the compound of claim 25.
Claim 55
Dependent Claim 19 words
A pharmaceutical composition comprising a suitable pharmaceutical carrier and an effective analgesic amount of the compound of claim 26.
Claim 56
Dependent Claim 19 words
A pharmaceutical composition comprising a suitable pharamceutical carrier and an effective analgesic amount of the compound of claim 27.
Claim 57
Dependent Claim 19 words
A pharmaceutical composition comprising a suitable pharmaceutical carrier and an effective analgesic amount of the compound of claim 28.
Claim 58
Independent Claim 187 words
A method of treating arthritis in a mammal which comprises administering to the mammal an effective anti-arthritic amount of a compound of the formula ##STR32## where n=0, 1, or 2; R 1 =C 1 -C 8 alkyl; allyl; vinyl; --CH 2 COCH 3 ; --CH 2 S(O) m CH 3 , where m=0, 1, or 2; mono- or polyhalo- C 1 -C 8 alkyl; R 2 and R 3 , the same or different = ##STR33## Y 1 and Y 2 , the same or different=hydrogen, C 1 -C 4 alkoxy, acetoxy, C 1 -C 4 alkyl, Cl, F, CF 3 , --N(CH 3 ) 2 , NO 2 , CH 3 S--, CH 3 SO 2 --, or Y 1 and Y 2 taken together forming a dioxymethylene bridge; provided, when R 1 =C 1 -C 8 alkyl, C 3 -C 4 haloalkyl with the halogen substituted at the 3 through 8 position, allyl, or --CH 2 COCH 3 both Y 1 and Y 2 cannot be H; its pharmaceutically suitable acid addition salt where n=0 or its pharmaceutically suitable metal salt where n=1 or 2.
Claim 59
Independent Claim 187 words
A method of treating arthritis in a mammal which comprises administering to the mammal an effective anti-arthritic amount of a compound of the formula ##STR32## where n=0, 1, or 2; R 1 =C 1 -C 8 alkyl; allyl; vinyl; --CH 2 COCH 3 ; --CH 2 S(O) m CH 3 , where m=0, 1, or 2; mono- or polyhalo- C 1 -C 8 alkyl; R 2 and R 3 , the same or different = ##STR33## Y 1 and Y 2 , the same or different=hydrogen, C 1 -C 4 alkoxy, acetoxy, C 1 -C 4 alkyl, Cl, F, CF 3 , --N(CH 3 ) 2 , NO 2 , CH 3 S--, CH 3 SO 2 --, or Y 1 and Y 2 taken together forming a dioxymethylene bridge; provided, when R 1 =C 1 -C 8 alkyl, C 3 -C 4 haloalkyl with the halogen substituted at the 3 through 8 position, allyl, or --CH 2 COCH 3 both Y 1 and Y 2 cannot be H; its pharmaceutically suitable acid addition salt where n=0 or its pharmaceutically suitable metal salt where n=1 or 2.
Claim 60
Dependent Claim 135 words
The method of claim 56 where n=0, 1, or 2; R 1 =C 1 -C 4 alkyl; allyl; --CH 2 COCH 3 ; --CH 2 S(O) m CH 3 , where m=0, 1, or 2; mono- or polyfluoro- C 1 -C 4 alkyl; R 2 and R 3 , the same or different = ##STR34## Y 1 and Y 2 , the same or different=hydrogen, methoxy, ethoxy, acetoxy, C 1 -C 4 alkyl, Cl, F, CF 3 , --N(CH 3 ) 2 , or Y 1 and Y 2 taken together forming a dioxymethylene bridge; provided, when R 1 =C 1 -C 4 alkyl, C 3 -C 4 fluoroalkyl with the fluorine substituted at the 3 or 4 position, allyl, or --CH 2 COCH 3 , both Y 1 and Y 2 cannot be H.
Claim 61
Dependent Claim 13 words
The method of claim 56 where R 1 =--CF 2 CF 2 H.
Claim 62
Dependent Claim 11 words
The method of claim 56 where R 1 =--CF 3 .
Claim 63
Dependent Claim 21 words
The method of claim 56 where R 2 and R 3 independently = ##STR35## where Y 1 =H, Cl, or F.
Claim 64
Dependent Claim 9 words
The method of claim 56 where n=1 or 2.
Claim 65
Dependent Claim 34 words
The method of claim 57 where R 1 =--CF 2 CF 2 H; R 2 and R 3 , independently, = ##STR36## where Y 1 =H, Cl, or F.; and n=0, 1 or 2.
Claim 66
Dependent Claim 33 words
The method of claim 57 where R 1 =--CF 2 CF 2 H; R 2 and R 3 , independently, = ##STR37## where Y 1 =H, Cl, or F.; and n=0 or 2.
Claim 67
Dependent Claim 32 words
The method of claim 57 where R 1 =--CF 3 ; R 2 and R 3 , independently, = ##STR38## where Y 1 =H, Cl, or F.; and n=0, 1 or 2.
Claim 68
Dependent Claim 12 words
Th method of claim 56 where the compound is 4(or 5)-(3,4-dichlorophenyl)-5(or 4)-phenyl-2-(1,1,2,2-tetrafluoroethylsulfonyl)imidazole.
Claim 69
Dependent Claim 10 words
The method of claim 57 where the compound is 4,5-bis(4-fluorophenyl)-2-(1,1,2,2-tetrafluoroethylsulfonyl)imidazole.
Claim 70
Dependent Claim 12 words
The method of claim 57 where the compound is 4(or 5)-(4-fluorophenyl)-5(or 4)-phenyl-2-(1,1,2,2-tetrafluoroethylsulfonyl)imidazole.
Claim 71
Dependent Claim 10 words
The method of claim 57 where the compound is 4,5-bis(4-chlorophenyl)-2-(1,1,2,2-tetrafluoroethylsulfonyl)imidazole.
Claim 72
Dependent Claim 12 words
The method of claim 57 where the compound is 4(or 5)-(4-chlorophenyl)-5(or 4)-phenyl-2-(1,1,2,2-tetrafluoroethylsulfonyl)imidazole.
Claim 73
Dependent Claim 10 words
The method of claim 57 where the compound is 4,5-diphenyl-2-(1,1,2,2-tetrafluoroethylsulfonyl)imidazole.
Claim 74
Dependent Claim 10 words
The method of claim 57 where the compound is 4,5-diphenyl-2-(1,1,2,2-tetrafluoroethylthio)imidazole.
Claim 75
Dependent Claim 10 words
The compound of claim 57 where the compound is 4,5-diphenyl-2-trifluoromethylsulfonylimidazole.
Claim 76
Dependent Claim 10 words
The method of claim 57 where the compound is 4,5-bis(p-fluorophenyl)-2-trifluoromethylthioimidazole.
Claim 77
Dependent Claim 10 words
The method of claim 57 where the compound is 4,5-bis(p-fluorophenyl)-2-trifluoromethylsulfonylimidazole.
Claim 78
Dependent Claim 24 words
A method of alleviating pain in a mammal which comprises administering to the mammal an effective analgesic amount of a compound of claim 21.
Claim 79
Dependent Claim 24 words
A method of alleviating pain in a mammal which comprises administering to the mammal an effective analgesic amount of a compound of claim 22.
Claim 80
Dependent Claim 24 words
A method of alleviating pain in a mammal which comprises administering to the mammal an effective analgesic amount of the compound of claim 23.
Claim 81
Dependent Claim 24 words
A method of alleviating pain in a mammal which comprises administering to the mammal an effective analgesic amount of the compound of claim 24.
Claim 82
Dependent Claim 24 words
A method of alleviating pain in a mammal which comprises administering to the mammal and ffective analgesic amount of the compound of claim 25.
Claim 83
Dependent Claim 24 words
A method of alleviating pain in a mammal which comprises administering to the mammal an effective analgesic amount of the compound of claim 26.
Claim 84
Dependent Claim 24 words
A method of alleviating pain in a mammal which comprises administering to the mammal an effective analgesic amount of the compound of claim 27.
Claim 85
Dependent Claim 24 words
A method of alleviating pain in a mammal which comprises administering to the mammal an effective analgesic amount of the compound of claim 28.

References Cited (Backward Citations)

US3505350A Cited
US3651080A Cited
US3636003A Cited
US3707475A Cited
SU487073A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-02-25 1983-08-27 1984-02-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-02-25 1987-08-27 1988-02-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-02-25 1991-08-27 1992-02-26 $7700.00 Window Closed / Lapsed

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