1,4-diaryl-2-fluoro-1-buten-3-ol compounds and their use in the preparation of 1,4-diaryl-2-fluoro-1,3-butadiene and 1,4-diaryl-2-fluoro-2-butene compounds
US6342642B1 · kind B1 · utility
3Cited by
4References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 13, 2001 |
| Grant date | Jan 29, 2002 |
| Priority date | — |
| Expiry date | Aug 13, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides novel 1,4-diaryl-2-fluoro-1-buten-3-ol compounds of the structural formula I a method for the preparation of those formula I compounds, and the use of those formula I compounds in the preparation of 1,4-diaryl-2-fluoro-1,3-butadiene compounds of formula II and 1,4-diaryl-2-fluoro-2-butene compounds of formula III
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.