Process for producing oxazolone derivatives

Details Process for producing oxazolone derivatives Process for producing oxazolone derivatives

1989-05-26

1991-01-01

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D26342

Patent

active

049819720

ABSTRACT:
A process for producing oxazolone derivatives, usable as important starting materials for medicines and pesticides, of the following general formula (III) by reacting a compound of the general formula (I) with a compound of the general formula (II) in the presence of an aliphatic tertiary amine: ##STR1## wherein Ar represents an aromatic hydrocarbon residue, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each represent a hydrogen atom, a halogen atom or an organic residue, R.sup.5 represents a hydrocarbon residue and X represents a halogen atom.

REFERENCES:
patent: 4339589 (1982-07-01), Steglich
Carter et al., Jour. Am. Chem. Soc., vol. 75, pp. 4705-4709 (1953).
Izv. Akad. Nauk. SSSR., Ser. Khim, 1970, 724.

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