C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/591.6
C07C 83/02 (1985.01)
Patent
CA 1261351
Abstract of the disclosure There is provided a method for the production of hydroxylamine derivatives or the salt thereof in which a salt of hydroxamic acid is reacted with an alkylating agent such as diethyl sulfate to form an ester of hydroxamic acid, which is reacted with mineral acid in ass aqueous solution of lower alcohol so as to prepare hydroxylamine derivatives or the salt thereof . I n this process, the incorporation of an oxidizing agent or aldehydes in the reaction system will significantly reduce the content of nitrosoamines in the resulting solution of hydroxylamine derivatives or the salt thereof. Therefore, the resulting hydroxylamine derivatives yielded with less content of the harmful compound will be useful as an intermediate for the drug and pesticide.
516751
Kaneko Akira
Nakajima Masashi
Sawaki Mikio
Suzuki Kenji
Tomita Nobuo
Borden Ladner Gervais Llp
Nippon Soda Co. Ltd.
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