Synthesis of intermediates useful in preparing tricyclic compounds
US6750347B2 · kind B2 · utility
0Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2002 |
| Grant date | Jun 15, 2004 |
| Priority date | — |
| Expiry date | Jun 18, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D221/16
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process is provided for preparing a compound having the formula wherein R is H or Cl.Also provided is a process for preparing a compound having the formula
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.