Preparation of n-aryloxazolidine-2,4-diones

Details Preparation of n-aryloxazolidine-2,4-diones Preparation of n-aryloxazolidine-2,4-diones

C - Chemistry, Metallurgy

07

D

260/311.7

C07D 263/44 (2006.01)

Patent

CA 1133910

O.Z. 0050/033,771 Abstract of the Disclosure: N-Aryloxazolidine-2,4- diones are prepared by reacting a nitrobenzene with a 2- hydroxycarboxylic acid ester and carbon monoxide in the presence of selenium and a basic compound under super- atmospheric pressure and at an elevated temperature. The N-aryloxazolidine-2,4-diones of the formula I, obtainable by the process of the invention are valu- able active ingredients and starting materials for the preparation of crop protection agents, dyes and drugs.

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