Fungicidal compositions and methods of making thereof

Details Fungicidal compositions and methods of making thereof Fungicidal compositions and methods of making thereof

1999-06-04

2000-10-31

Owens, Amelia

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D33330

Patent

active

061405116

ABSTRACT:
The fungicidal compound 4,5-dimethyl-N-2-propenyl-2-(trimethylsilyl)-3-thiophenecarboxamide (Formula (I) shown superior and unexpected control of the growth of the soil-borne fungus Gaeumannomyces graminis (Gg). The present invention provides a novel compound for synthesizing the compound of Formula (I) which uses the compound 4-hydroxy-4,5-dimethyl-2-trimethylsilanyl-dihydrothiophene-3-carboxylic acid allylamide (Formula (II)) as well as novel compounds of synthesizing the allylamide. In addition, Formula (II) itself has unexpectedly been found to provide control of Gg. Therefore, the compounds having Formula (III): ##STR1## or an agronomic salts and compositions thereof are expected to provide such control as well; wherein:

REFERENCES:
patent: 5486621 (1996-01-01), Phillion et al.
Kim, Sunggak, et al., "Intramolecular Insertion Reaction Of Alkylidenecarbenes Into Oxygen-Silicon Bonds," Tetrahedron Letters, vol. 36, No. 27, pp. 4845-4848 (1995).

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