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Generated: April 26, 2018

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Details for Patent: 4,659,516

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Summary for Patent: 4,659,516
Title: Steroid derivatives
Abstract:A steroid derivative of the formula: wherein ST is a 7.alpha.-linked steroid nucleus of the general formula: ##STR1## wherein the double bond(s) between carbon atoms 6 and 7 and/or carbon atoms 8 and 9 are optional; wherein the aromatic ring A may optionally bear one or two halogen or alkyl substituents; wherein R.sup.3 is hydrogen, alkyl, or acyl; wherein R.sup.16 is hydrogen, alkyl or hydroxy; wherein either R.sup.17 is hydroxy or acyloxy and R.sup.27 is hydrogen, alkyl, alkenyl or alkynyl, or R.sup.17 and R.sup.27 together form oxo (.dbd.O); wherein R.sup.18 is alkyl; wherein A is alkylene, alkenylene or alkynylene optionally fluorinated and optionally interrupted by --O--, --S--, --SO--, --SO.sub.2 --, --CO--, --NR--, --NRCO--, --CONR--, --COO--, --OCO-- or phenylene, wherein R is hydrogen or alkyl; wherein R.sup.1 is hydrogen, alkyl, alkenyl, cycloalkyl, halogenoalkyl, carboxyalkyl, alkoxycarbonylalkyl, aryl, arylalkyl, or dialkylaminoalkyl, or R.sup.1 is joined to R.sup.2 as defined below; and wherein X is --CONR.sup.2 --, --CSNR.sup.2 --, --NR.sup.12 CO--, --NR.sup.12 CS--, --NR.sup.12 CONR.sup.2 --, ##STR2## --SO.sub.2 NR.sup.2 -- or --CO--; or, when R.sup.1 is not hydrogen, is --O--, --NR.sup.2 --, --(NO)R.sup.2 --, --(PO)R.sup.2 --, --NR.sup.12 COO--; --NR.sup.12 SO.sub.2 --, --S--, --SO-- or --SO.sub.2 --; wherein R.sup.2 is hydrogen or alkyl or R.sup.1 and R.sup.2 together form alkylene or halogenoalkylene; wherein R.sup.12 is hydrogen or alkyl and wherein R.sup.22 is hydrogen, cyano or nitro; or a salt thereof when appropriate.
Inventor(s): Bowler; Jean (Sandbach, GB), Tait; Brian S. (Macclesfield, GB)
Assignee: Imperial Chemical Industries PLC (London, GB2)
Application Number:06/656,466
Patent Claim Types:
see list of patent claims
Compound; Process; Composition; Dosage form; Use;

Drugs Protected by US Patent 4,659,516

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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Foreign Priority and PCT Information for Patent: 4,659,516

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom8327256Oct 12, 1983

International Family Members for US Patent 4,659,516

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 0138504 ➤ Sign Up SPC/GB04/009 United Kingdom ➤ Sign Up
European Patent Office 0138504 ➤ Sign Up 91068 Luxembourg ➤ Sign Up
European Patent Office 0138504 ➤ Sign Up 300158 Netherlands ➤ Sign Up
European Patent Office 0138504 ➤ Sign Up 2004C/004 Belgium ➤ Sign Up
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

AstraZeneca
Federal Trade Commission
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Julphar
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McKesson

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