.beta.-substituted cinnamic acid derivative
US5538940A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 12, 1995 |
| Grant date | Jul 23, 1996 |
| Priority date | — |
| Expiry date | May 12, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2602/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
.beta.-Substituted cinnamic acid derivatives of the formula 1, ##STR1## where R.sup.1 is substituted or unsubstituted alkyl, alkenyl, alkynyl, cycloalkyl or cycloalkenyl, and R.sup.1 can also be chlorine or bromine, PA1 --X-- is --O--, --S--, ##STR2## m is 0 or 1, --Y is --OR.sup.4, --O--N.dbd.CR.sup.5 R.sup.6, --NR.sup.7 R.sup.8, --NR.sup.7 R.sup.8, --N(OR.sup.9)R.sup.10 or SR.sup.11, where the abovementioned substitutes R.sup.2 to R.sup.11 are substituted or unsubstituted alkyl, alkenyl, alkynyl, cycloalkyl or cycloalkenyl, and R.sup.2, R.sup.3 and R.sup.5 to R.sup.11 can be hydrogen and Z, U, V, W are defined in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.