EP0832881B1 — Benzofluorene compounds, intermediates, compositions, and methods
Assigned to Eli Lilly and Co · Expires 2002-04-03 · 24y expired
What this patent protects
The present invention provides compounds of formula I <CHEM> wherein R1 is -H, -OH, -O(C1-C4 alkyl), -OCO(C1-C6 alkyl), -OCOO(C1-C6 alkyl), -OCOAr, -OCOOAr, or -OSO2(C2-C6 alkyl); R2 is -OH, -O(C1-C4 alkyl), -OCO(C1-C6 alkyl),-OCOO(C1-C6 alkyl), -OCOAr, -OCOOAr, or -OSO2…
USPTO Abstract
The present invention provides compounds of formula I <CHEM> wherein R1 is -H, -OH, -O(C1-C4 alkyl), -OCO(C1-C6 alkyl), -OCOO(C1-C6 alkyl), -OCOAr, -OCOOAr, or -OSO2(C2-C6 alkyl); R2 is -OH, -O(C1-C4 alkyl), -OCO(C1-C6 alkyl),-OCOO(C1-C6 alkyl), -OCOAr, -OCOOAr, or -OSO2(C2-C6 alkyl); R3 is 1-piperidinyl, 1-pyrrolidinyl, methyl-1-pyrrolidinyl, dimethyl-l-pyrrolidinyl, 4-morpholino, dimethylamino, diethylamino, diisopropylamino, or 1-hexamethyleneimino; and n is 2 or 3; or a pharmaceutically acceptable salt or solvate thereof.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
Track this patent
Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.