Details for Patent: 5,912,238

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Summary for Patent: 5,912,238

Title:	Heteroatoms-containing tricyclic compounds
Abstract:	The invention concerns the compounds of formula I ##STR1## wherein the substituents have various significances. They are prepared by several processes including epimerizing replacement, treatment with cyanogen bromide or thiophosgene, treatment with an acid having a non-nucleophilic anion, treatment with dimethylsulfoxide and acetic anhydride, acylation, treatment with an oxalyl derivative and ammonia, methylation, oxidation, deprotection and protection. They possess interesting pharmacological activity as antiinflammatory, immunosuppressant, antiproliferative and chemotherapeutic drug resistance reversing agents.
Inventor(s):	Baumann; Karl (Vienna, AT), Emmer; Gerhard (Vienna, AT)
Assignee:	Novartis AG (Basel, CH)
Application Number:	08/276,276
Patent Claim Types: see list of patent claims	Compound; Composition; Use;

Drugs Protected by US Patent 5,912,238

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

Foreign Priority and PCT Information for Patent: 5,912,238

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
Germany	39 37 336	Nov 09, 1989
Germany	39 38 132	Nov 16, 1989
Germany	39 42 831	Dec 23, 1989
Germany	39 42 833	Dec 23, 1989
Germany	40 06 819	Mar 05, 1990

International Family Members for US Patent 5,912,238

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
European Patent Office	0427680	⤷ Sign Up	91021	Luxembourg	⤷ Sign Up
European Patent Office	0427680	⤷ Sign Up	SPC/GB03/015	United Kingdom	⤷ Sign Up
European Patent Office	0427680	⤷ Sign Up	300134	Netherlands	⤷ Sign Up
European Patent Office	0427680	⤷ Sign Up	SZ 12/2003	Austria	⤷ Sign Up
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Austria	126803	⤷ Sign Up
Australia	640963	⤷ Sign Up
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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