.alpha.-phenylacrylic acid derivatives, their preparation and their use for controlling pests and harmful fungi
US5298527A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 9, 1993 |
| Grant date | Mar 29, 1994 |
| Priority date | — |
| Expiry date | Aug 9, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/4056
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
.alpha.-Phenylacrylic acid derivatives I ##STR1## n=0 to 4; y=a; PA1 R.sup.1 =H; alkyl; alkenyl; alkynyl; substituted or unsubstituted cycloalkyl; vinyl or ethynyl when W is a direct bond; PA1 R.sup.2 =CN; alkenyl; alkynyl; substituted or unsubstituted cycloalkyl; substituted or unsubstituted alkyl; PA1 R.sup.3 =H; NO.sub.2 ; CN; halogen; alkyl; alkoxy; haloalkyl; haloalkoxy; alkylthio; PA1 or when n is 2, 3 or 4, two adjacent substituents R.sup.3 together form substituted or unsubstituted 1,3-butadien-1,4-diyl; PA1 R.sup.4 is phenyl which carries a radical --CR.sup.7 .dbd.NO--R.sup.8 and which may further carry one or two radicals; PA1 W=direct bond; oxygen; sulfur; substituted or unsubstituted nitrogen; PA1 and A can be an oxygen or sulfur radical.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.