Plant male sterilant
US4915727A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 24, 1987 |
| Grant date | Apr 10, 1990 |
| Priority date | — |
| Expiry date | Dec 24, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01N47/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A plant male sterilant, which comprises as an active ingredient a compound having the formula (I): ##STR1## in which X is --OH, --O.sup.- M.sup.+, --OR.sup.1 or ##STR2## wherein M.sup.+ is an alkali metal cation, an alkaline earth metal cation or ##STR3## in which R.sup.4, R.sup.5 and R.sup.6 are the same or different and each is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.4 alkenyl group, C.sub.3 -C.sub.4 alkynyl, C.sub.3 -C.sub.8 cycloslkyl, benzyl or phenyl group; PA0 R.sup.1 is a C.sub.1 -C.sub.9 alkyl, a C.sub.3 -C.sub.6 alkenyl, a C.sub.3 -C.sub.4 alkynyl, C.sub.1 -C.sub.3 alkoxy (C.sub.1 -C.sub.4)-alkyl, C.sub.3 -C.sub.8 cycloalkyl, benzyl or phenyl; and PA0 R.sup.2 and R.sup.3 are the same or different and each is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.4 alkenyl, C.sub.3 -C.sub.4 alkynyl, C.sub.3 -C.sub.8 cycloalkyl, a benzyl group in which at most two hydrogen atoms at the .alpha.-position thereof may be substituted by methyl, C.sub.2 -C.sub.3 hydroxyalkyl or a phenyl in whihc at most three hydrogen atoms thereof may be substituted by the same or different C.sub.1 -C.sub.2 alkyl; PA0 Y is fluorine, chlorine, trifluoromethyl or C.sub.1 -C.sub.6 alkoxy; PA0 A …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.