4-aminoquinazoline EGFR Inhibitors
US5760041A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 21, 1997 |
| Grant date | Jun 2, 1998 |
| Priority date | — |
| Expiry date | Jan 21, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention provides a compound having the formula ##STR1## wherein: X is phenyl which is optionally substituted; PA1 R and R.sub.1 are each, independently, hydrogen, halogen, alkyl, alkoxy, hydroxy, or trifluoromethyl; PA1 R.sub.2 is hydrogen, alkyl, alkoxy, hydroxy, trifluoromethyl; PA1 Y is a radical selected from the group consisting of ##STR2## R.sub.3 is independently hydrogen, alkyl, carboxy, carboalkoxy, phenyl, or carboalkyl; PA1 n=2-4; or a pharmaceutically acceptable salt thereof, with the proviso that each R.sub.3 of Y may be the same or different which are useful as antineoplastic agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.