Imino oxyphenyl acetic acid derivatives, methods and intermediates for their preparation and use thereof
US5994359A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1998 |
| Grant date | Nov 30, 1999 |
| Priority date | — |
| Expiry date | Jun 25, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
2-Iminooxyphenylacetic acid derivatives ##STR1## where the substituents and the index have the following meanings: R.sup.1 is C(CO.sub.2 CH.sub.3).dbd.NOCH.sub.3 (Ia), C(CONHCH.sub.3).dbd.NOCH.sub.3 (Ib), C(CONH.sub.2).dbd.NOCH.sub.3 (Ic), C(CO.sub.2 CH.sub.3).dbd.CHOCH.sub.3 (Id) or C(CO.sub.2 CH.sub.3).dbd.CHCH.sub.3 (Ie); PA1 R.sup.2 is cyano, nitro, halogen, alkyl, haloalkyl or alkoxy; PA1 m is 0, 1 or 2; PA1 R.sup.3 is hydrogen, cyano, hydroxyl, halogen, PA2 alkyl, haloalkyl, alkoxyalkyl, alkoxy, haloalkoxy, alkylthio, cyclopropyl, alkenyl, PA2 unsubstituted or substituted aryloxyalkyl, benzyl or benzyloxy, PA1 R.sup.4 is hydrogen, cyano, PA2 unsubstituted or substituted alkyl, alkenyl, alkynyl, cycloalkyl, heterocyclyl, aryl and hetaryl; PA2 unsubstituted or substituted alkoxy, alkenyloxy, alkynyloxy, cycloalkoxy, heterocyclyloxy, aryloxy and hetaryloxy; PA2 unsubstituted or substituted arylthio and hetarylthio; PA2 --Q--C(R.sup.5).dbd.N--Y.sup.1 --R.sup.6 or --Q--O--N.dbd.CR.sup.7 R.sup.8, PA1 R.sup.3 and R.sup.4 together with the carbon atom to which they are bonded are an unsubstituted or substituted four- to eight-membered ring which, besides carbon atoms, may contain one…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.