Benzofluorene compounds, intermediates, compositions, and methods

US5958917A · kind A · utility

Assignee

• ELI LILLY AND COMPANY · US

Inventors

• Thomas Alan Crowell · Indianapolis, US
• Charles D. Jones · Indianapolis, US
• Henry U. Bryant · Indianapolis, US

Key dates

• Filing date: Sep 24, 1997
• Grant date: Sep 28, 1999
• Expiry date: Sep 24, 2017

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/55
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The present invention provides compounds of formula I ##STR1## wherein R.sub.1 is --H, --OH, --O(C.sub.1 -C.sub.4 alkyl), --OCO(C.sub.1 -C.sub.6 alkyl), --OCOO(C.sub.1 -C.sub.6 alkyl), --OCOAr, --OCOOAr, or --OSO.sub.2 (C.sub.2 -C.sub.6 alkyl); PA1 R.sub.2 is --OH, --O(C.sub.1 -C.sub.4 alkyl), --OCO(C.sub.1 -C.sub.6 alkyl), --OCOO(C.sub.1 -C.sub.6 alkyl), --OCOAr, --OCOOAr, or --OSO.sub.2 (C.sub.2 -C.sub.6 alkyl); PA1 R.sub.3 is 1-piperidinyl, 1-pyrrolidinyl, methyl-1-pyrrolidinyl, dimethyl-1-pyrrolidinyl, 4-morpholino, dimethylamino, diethylamino, diisopropylamino, or 1-hexamethyleneimino; and PA1 n is 2 or 3; PA1 or a pharmaceutically acceptable salt or solvate thereof.