Patent US4267173A successfully refreshed from Google Patents.
US4267173A
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Use of 6β-fluoro-7α-halogenocorticoids as topical anti-inflammatories and pharmaceutical formulations useful therefor
Assignee: Merck Sharp & Dohme LLC
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Filing: 1979-11-05
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Granted: 1981-05-12
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Expires: 1999-11-05
Abstract
Abstract Described is the use of 6 beta -fluoro-7 alpha -halogeno-1,4-pregnadiene-17 alpha ,21-diol-3,20-diones and their esters as topical anti-inflammatory agents, and pharmaceutical formulations thereof useful therefor. Preferred compounds are 6 beta ,9 alpha -difluoro-7 alpha -chloro (or bromo)-16 beta -methyl-1,4-pregnadiene-11 beta ,17 alpha ,21-triol-3,20-dione 17-mono- and 17,21-di-lower alkanoates.
Inventors
- 👤 Richard W. Draper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:33
CPC Classifications
C; C07; C07J; C07J5/00; C07J5/0046; C07J5/0061; C07J5/0069; C07J5/0076
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
294 words
The method of treating an inflammatory condition in a warm-blooded animal responsive to treatment with anti-inflammatory agents, which comprises applying topically to the inflamed area, a non-toxic, anti-inflammatory-effective amount of a 6β-fluoro-7α-halogeno-1,4-pregnadiene of the following formula I together with a non-toxic, pharmaceutically acceptable carrier: ##STR3## wherein A is hydrogen, or when Y is (H,β--OH), then A is also chlorine, bromine or methyl; B is hydrogen, or taken together with Q is 14α,17α-alkylidenedioxy; X is a member selected from the group consisting of hydrogen, fluorine and chlorine; Y is (H,β--OH), (H,β--OCOH), or when X is chlorine then Y is also (H,β--fluorine) or (H,β-chlorine); Z is halogen; Q is OV wherein V is hydrogen or an acyl radical of a hydrocarboncarboxylic acid having up to 8 carbon atoms; W is a member selected from the group consisting of (H,H), (H, lower alkyl); (H,α-OV 1 ) wherein V 1 is hydrogen or an acyl radical of an acid selected from the group consisting of a hydrocarboncarboxylic acid having up to 12 carbon atoms and retinoic acid; ═CHT wherein T is a member selected from the group consisting of hydrogen, lower alkyl, fluorine and chlorine; and W together with Q is 16α,17α-lower alkylidenedioxy, 16α,17α-cycloalkylidenedioxy or 16α,17α-alkylorthoalkanoate; and M is a member selected from the group consisting of chlorine and fluorine provided Q is other than hydroxy, and OV 2 wherein V 2 is hydrogen or an acyl radical of an acid selected from the group consisting of a hydrocarboncarboxylic acid having up to 12 carbon atoms, a hydrocarbonsulfonic acid having up to 12 carbon atoms; retinoic acid, and phosphoric acid and mono and di-alkali and alkaline earth metal salts thereof; and OV 2 together with OV is a member selected from the group consisting of alkylidenedioxy and alkylorthoalkanoate.
Claim 2
Independent Claim
294 words
The method of treating an inflammatory condition in a warm-blooded animal responsive to treatment with anti-inflammatory agents, which comprises applying topically to the inflamed area, a non-toxic, anti-inflammatory-effective amount of a 6β-fluoro-7α-halogeno-1,4-pregnadiene of the following formula I together with a non-toxic, pharmaceutically acceptable carrier: ##STR3## wherein A is hydrogen, or when Y is (H,β--OH), then A is also chlorine, bromine or methyl; B is hydrogen, or taken together with Q is 14α,17α-alkylidenedioxy; X is a member selected from the group consisting of hydrogen, fluorine and chlorine; Y is (H,β--OH), (H,β--OCOH), or when X is chlorine then Y is also (H,β--fluorine) or (H,β-chlorine); Z is halogen; Q is OV wherein V is hydrogen or an acyl radical of a hydrocarboncarboxylic acid having up to 8 carbon atoms; W is a member selected from the group consisting of (H,H), (H, lower alkyl); (H,α-OV 1 ) wherein V 1 is hydrogen or an acyl radical of an acid selected from the group consisting of a hydrocarboncarboxylic acid having up to 12 carbon atoms and retinoic acid; ═CHT wherein T is a member selected from the group consisting of hydrogen, lower alkyl, fluorine and chlorine; and W together with Q is 16α,17α-lower alkylidenedioxy, 16α,17α-cycloalkylidenedioxy or 16α,17α-alkylorthoalkanoate; and M is a member selected from the group consisting of chlorine and fluorine provided Q is other than hydroxy, and OV 2 wherein V 2 is hydrogen or an acyl radical of an acid selected from the group consisting of a hydrocarboncarboxylic acid having up to 12 carbon atoms, a hydrocarbonsulfonic acid having up to 12 carbon atoms; retinoic acid, and phosphoric acid and mono and di-alkali and alkaline earth metal salts thereof; and OV 2 together with OV is a member selected from the group consisting of alkylidenedioxy and alkylorthoalkanoate.
Claim 3
Dependent Claim
18 words
The method according to claim 1 wherein X is chlorine or fluorine and W is other than (H,H).
Claim 4
Independent Claim
37 words
The method according to claims 1 or 2 wherein V is an acyl radical of an unsubstituted hydrocarboncarboxylic acid having up to 8 carbon atoms or of benzoic acid substituted by a halogen or a methoxy group.
Claim 5
Independent Claim
15 words
The method according to claims 1 or 2 wherein W is (H, CH 3 ).
Claim 6
Dependent Claim
13 words
The method according to claim 3 wherein W is (H, CH 3 ).
Claim 7
Dependent Claim
67 words
The method according to claim 1 for the topical treatment of an inflammatory condition which comprises applying to the inflamed area in a concentration effective for the topical treatment of inflammation, a 6β-fluoro-7α-halogeno-16-methyl-1,4-pregnadiene of the following formula II: ##STR4## wherein each of V and V 2 are independently hydrogen or an acyl radical of a hydrocarboncarboxylic acid having up to 4 carbon atoms, and Z is halogen.
Claim 8
Dependent Claim
21 words
The method of claim 6 when V is an acyl radical of a hydrocarboncarboxylic acid having up to 4 carbon atoms.
Claim 9
Independent Claim
13 words
The method of claims 6 or 7 when Z is chlorine or bromine.
Claim 10
Independent Claim
24 words
The method of claims 6 or 7 when said 16-methyl derivative is a 16β-methyl derivative of formula II wherein Z is chlorine or bromine.
Claim 11
Independent Claim
27 words
The method of claims 6 or 7 when said 16-methyl derivative is a 16β-methyl of formula II wherein Z is chlorine or bromine and V is propionyl.
Claim 12
Dependent Claim
12 words
The method of claim 10 when said 16β-methyl derivative is 6β,9α-difluoro-7α-chloro-16β-methyl-1,4-pregnadiene-11β,17α,21-triol-3,20-dione 17,21-dipropionate.
Claim 13
Dependent Claim
12 words
The method of claim 10 when said 16β-methyl derivative is 6β,9α-difluoro-7α-bromo-16β-methyl-1,4-pregnadiene-11β,17α,21-triol-3,20-dione 17,21-dipropionate.
Claim 14
Dependent Claim
32 words
A topical pharmaceutical composition for use in the topical treatment of inflammation which comprises a topically anti-inflammatory effective amount of 6β-fluoro-7α-halogeno-1,4-pregnadiene of claim 1 together with a non-toxic, pharmaceutically acceptable topical carrier.
Claim 15
Dependent Claim
38 words
A topical pharmaceutical composition of claim 13 for use in the topical treatment of inflammation which comprises a topically anti-inflammatory effective amount of a 6β-fluoro-7α-halogeno-16-methyl-1,4-pregnadiene of formula II, claim 6, together with a non-toxic, pharmaceutically acceptable topical carrier.
Claim 16
Dependent Claim
37 words
A topical pharmaceutical composition of claim 14 comprising a 6β-fluoro-7α-halogeno-16β-methyl-1,4-pregnadiene of formula II, claim 6, wherein Z is chlorine or bromine and V is an acyl radical of a hydrocarboncarboxylic acid having 3 or 4 carbon atoms.
Claim 17
Dependent Claim
13 words
A topical pharmaceutical composition of claim 15 wherein said 6β-fluoro-7α-halogeno-16-methyl-1,4-pregnadiene is 6β,9α-difluoro-7α-chloro-16β-methyl-1,4-pregnadiene-11β,17α,21-triol-3,20-dione 17,21-dipropionate.
Claim 18
Dependent Claim
13 words
A topical pharmaceutical composition of claim 15 wherein said 6β-fluoro-7α-halogeno-16-methyl-1,4-pregnadiene- is 6β,9α-difluoro-7α-bromo-16β-methyl-1,4-pregnadiene-11β,17α,21-triol-3,20-dione 17,21-dipropionate.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-05-11 | 1984-11-10 | 1985-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-05-11 | 1988-11-10 | 1989-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-05-11 | 1992-11-10 | 1993-05-12 | $7700.00 | Window Closed / Lapsed |