Preparation of N-aryloxazolidine-2,4-diones

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

1980-03-06

1981-10-13

Sutto, Anton H.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D26304

Patent

active

042949718

ABSTRACT:
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 valuable active ingredients and starting materials for the preparation of crop protection agents, dyes and drugs.

REFERENCES:
patent: 3703526 (1972-11-01), Sato et al.
patent: 3895054 (1975-06-01), Zajacek et al.
patent: 3956360 (1976-05-01), Zajacek et al.
patent: 3966750 (1976-06-01), Mangold et al.
patent: 3979427 (1976-09-01), Ottmann et al.
patent: 3995049 (1976-11-01), Mangold et al.

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