Cyclic phosphonic monoesters and their preparation
US4827010A · kind A · utility
2Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 25, 1987 |
| Grant date | May 2, 1989 |
| Priority date | — |
| Expiry date | Aug 25, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/657181
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing cyclic phosphonic monoesters comprising subjecting aryloxyphosphines of defined formulae to flash pyrolysis, is provided. The aryloxyphosphines are those having the general formula ##STR1## where Ar is aryl and R is a hydrocarbyl radical capable of forming unsaturated hydrocarbon on severance of the C--O linkages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.