Process for preparing fibrinogen receptor antagonists
US5312923A · kind A · utility
6Cited by
0References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 16, 1993 |
| Grant date | May 17, 1994 |
| Priority date | — |
| Expiry date | Feb 16, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D211/22
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention is a highly efficient synthesis for making compounds of the formula: ##STR1## wherein: R.sup.1 is a six membered saturated or unsaturated heterocyclic ring containing one or two heteroatoms wherein the heteroatoms are N; or NR.sup.6, wherein R.sup.6 is H or C.sub.1-10 alkyl; PA0 m is an integer from two to six; and PA0 R.sup.4 is aryl, C.sub.1-10 alkyl, or C.sub.4-10 aralkyl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.