2-(3-pyridyl) propanenitrile derivatives
US5180827A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 31, 1990 |
| Grant date | Jan 19, 1993 |
| Priority date | — |
| Expiry date | Dec 31, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F7/0812
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to the 2-(3-pyridyl)-propanenitrile intermediates of formula (V): ##STR1## in which: R denotes PA2 a lower alkyl radical, optionally substituted with one or more substituents chosen from halogen, and preferably chlorine, fluorine or bromine, atoms, a lower alkoxy radical and a radical --(CH.sub.2).sub.x Si R.sub.1 R.sub.2 R.sub.3, x=0 or 1 and R.sub.1, R.sub.2 and R.sub.3, which may be identical or different, being lower alkyl, lower alkoxy, aryl (in particular phenyl) or aralkyl (in particular benzyl); PA2 an alkenyl, and preferably allyl, radical, optionally substituted as when R denotes alkyl or with a C.sub.1 to C.sub.3 alkyl group; PA1 Hal denotes a halogen atom; PA1 Z denotes a lower alkyl or lower alkoxy radical; and PA1 m denotes 0, 1 or 2, the groups Z being identical or different when m is 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.