Tetraphosphinylquinodimethanes
US4650609A · kind A · utility
1Cited by
1References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 25, 1985 |
| Grant date | Mar 17, 1987 |
| Priority date | — |
| Expiry date | Jun 25, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/42
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds having a quinodimethane or a 7,8-dihydroquinodimethane nucleus and four substituted phosphinyl groups at the 7- and 8-positions are disclosed. A process for preparing the specified compounds is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.