1,3-OXAZIN-4-ONE DERIVATIVES, PROCESS AND INTERMEDIATES FOR THEIR PREPARATION AND THEIR USE AS HERBICIDES

PCT No. PCT/JP94/02152 Sec. 371 Date Jun. 20, 1996 Sec. 102(e) Date Jun. 20, 1996 PCT Filed Dec. 20, 1994 PCT Pub. No. WO95/18113 PCT Pub. Date Jul. 6, 1995This invention provides 1,3-oxazin-4-one derivatives represented by following general formula (I):in which R1 represents a phenyl group which ma...

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Hauptverfasser:	MUKAIDA, HIDESHI, TOSHIMA, NORISHIGE, USUI, YOSHIHIRO, AOKI, TAKAKO, MURATA, TETSUYA, HIGURASHI, RIKA, HAYASHIZAKI, KEIICHI, GO, ATSUSHI, ARAKI, KOICHI
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMISTRY FISHING FORESTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HUNTING METALLURGY ORGANIC CHEMISTRY PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF TRAPPING
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Zusammenfassung:	PCT No. PCT/JP94/02152 Sec. 371 Date Jun. 20, 1996 Sec. 102(e) Date Jun. 20, 1996 PCT Filed Dec. 20, 1994 PCT Pub. No. WO95/18113 PCT Pub. Date Jul. 6, 1995This invention provides 1,3-oxazin-4-one derivatives represented by following general formula (I):in which R1 represents a phenyl group which may be substituted; R2 represents a hydrogen atom or a lower alkyl group; R3 represents a hydrogen atom, a lower alkyl group, an aralkyl group or a phenyl group which may be substituted; R4 and R5 each independently represent a lower alkyl group; and W represents an oxygen atom or a group represented by the formula -N(R6)- in which R6 represents a hydrogen atom, a lower alkyl group, a lower alkenyl group or a lower alkynyl group. There are also provided herbicidal compositions containing the derivatives and intermediates for preparing them. The compounds according to the present invention exhibit strong herbicidal activities and thus they are useful as active ingredients of agricultural chemicals.