Process for the preparation of triazolinone herbicides
申请人:Degussa Aktiengesellschaft
公开号:US05856495A1
公开(公告)日:1999-01-05
A process for the preparation of substituted 1,2,4-triazoline-3(2H)-ones of general formula (I) ##STR1## by reacting an amide of general formula (IV) ##STR2## with phosgen or thiophosgen or a phosgen substitute or thiophosgen substitute to a compound of general formula V ##STR3## and subsequent reaction of (V) with a compound of general formula (VI) or of an acid addition salt of (VI) Q--NH--NH--CO--R.sup.26 (VI) to compounds of general formula (I). Compounds of general formula (I) can be used as herbicides.
The present invention provides benzoxazinones of formula I
wherein
R1 is hydrogen or halogen;
R2 is hydrogen, C1-C6-alkyl, C1-C6-haloalkyl, C3-C6-cycloalkyl, C3-C6-alkenyl, C3-C6-haloalkenyl, C3-C6-alkynyl, C3-C6-haloalkynyl, C1-C6-alkoxy or C3-C6-cycloalkyl-C1-C6-alkyl;
R3 is halogen;
R4 is halogen;
X is O or S; and
Y is a substituted or unsubstituted heterocycle;
Benzoxazinones of formula I are useful as herbicides.
The present invention provides benzoxazinones of formula I
wherein
R
1
is hydrogen or halogen;
R
2
is hydrogen, C
1
-C
6
-alkyl, C
1
-C
6
-haloalkyl, C
3
-C
6
-cycloalkyl, C
3
-C
6
-alkenyl, C
3
-C
6
-haloalkenyl, C
3
-C
6
-alkynyl, C
3
-C
6
-haloalkynyl, C
1
-C
6
-alkoxy or C
3
-C
6
-cycloalkyl-C
1
-C
6
-alkyl;
R
3
is halogen;
R
4
is halogen;
X is O or S; and
Y is a substituted or unsubstituted heterocycle;
Benzoxazinones of formula I are useful as herbicides.
Verfahren zur Herstellung von Triazolinonherbiziden
申请人:Degussa Aktiengesellschaft
公开号:EP0784053A1
公开(公告)日:1997-07-16
Verfahren zur Herstellung von substituierten 1,2,4-Triazolin-3(2H)-onen der allgemeinen Formel (I)
durch Umsetzung eines Amides der allgemeinen Formel (IV)
mit Phosgen oder Thiophosgen bzw. einem Phosgenersatz oder Thiophosgenersatz zu einer Verbindung der allgemeinen Formel V
und anschließender Reaktion von (V) mit einer Verbindung der allgemeinen Formel (VI) oder eines Säureadditionssalzes von (VI)
Q―NH-NH-CO-R26 (VI)
zu Verbindungen der allgemeinen Formel (I).
Verbindungen der allgemeinen Formel (I) können als Herbizide verwendet werden.
[EN] FUSED RING SUBSTITUTED AROMATIC COMPOUND AND PREPARATION METHOD THEREFOR, HERBICIDAL COMPOSITION, AND USE THEREOF<br/>[FR] COMPOSÉ AROMATIQUE SUBSTITUÉ À CYCLE CONDENSÉ, SON PROCÉDÉ DE PRÉPARATION, COMPOSITION HERBICIDE ET UTILISATION ASSOCIÉE<br/>[ZH] 一种稠环取代的芳香类化合物及其制备方法、除草组合物和应用