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US 6,211,232 B1Granted
Process for producing benzamidoximes
AssigneeNippon Soda Co., Ltd.
InventorsHiroyuki Yamanaka, Shigeru Kojima, Isamu Kasahara
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Abstract
A process for producing benzamidoximes represented by general formula (II), which are useful as intermediates of pesticides and drugs, at a stable and high yield by reacting benzonitriles represented by general formula (I) with hydroxylamine in the presence of a chelating agent wherein X represents halogeno, C1-5alkyl, C1-3 alkoxy, C1-3 alkylthio, hydroxy, mercapto, amino, nitro or C1-5haloalkyl; and n is 0 or an integer of from 1 to 5.
Claims3
A process for the preparation of a benzamidoxime represented by Formula (II)
- characterized in that a benzonitrile represented by Formula (I)
- where X is halogen, C1-5alkyl, C1-3 alkoxy, C1-3 alkylthio, hydroxyl, mercapto, amino, nitro or C1-5 haloalkyl;
- n is 0 or an integer from 1 to 5 is reacted with hydroxylamine in the presence of a chelating agent.
Dependencies are inferred from the claim text.