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US 6,548,450 B1Granted
Tetrazolinone derivatives
AssigneeNihon Bayer Agrochem K.K.
InventorsYukiyoshi Watanabe, Toshio Goto, Seishi Ito, Chieko Ueno
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Abstract
According to the instant invention there have been found novel tetrazolinone derivatives represented by the general formula (I) wherein R1 represents methyl or ethyl, R2 represents halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, alkylsulfonyl, phenyl, phenoxy, alkoxycarbonyl, nitro or cyano, and n represents 0, 1, 2, 3, 4 or 5, processes and intermediates for their preparation and their use as herbicides.
Claims9
A compound according to the Formula (I)
- wherein
- R1 represents methyl or ethyl,
- R2 represents halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, alkylsulfonyl, phenyl, phenoxy, alkoxycarbonyl, nitro or cyano, and
- n represents 0, 1, 2, 3, 4 or 5.
1 more element
A process for the preparation of a compound of the Formula (I)
- wherein
- R1 represents methyl or ethyl,
- R2 represents halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, alkylsulfonyl, phenyl, phenoxy, alkoxycarbonyl, nitro or cyano, and
- n represents 0, 1, 2, 3, 4 or 5,
- comprising the step of:
- a) reacting a compound of the Formula (II)
- wherein
- R1 is as defined above, with a compound of the Formula (III)
- wherein
- R2 and n are as defined above, and
- M represents a leaving group in the presence of an inert solvent and, optionally, in the presence of a base.
8 more elements
Dependencies are inferred from the claim text.