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KOKKO CHEMICAL IND
Sumitomo Chemical Co Ltd
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KOKKO CHEMICAL IND
Sumitomo Chemical Co Ltd
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Publication of ES360891A1publicationCriticalpatent/ES360891A1/en
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms
(AREA)
Abstract
A procedure for the preparation of an oxazolidinedione of the formula: **(See formula)** where R1 and R2 are each a hydrogen atom or a lower alkyl group, the procedure of which is to react 3,5-dichlorophenyl isocyanate with alkyl α-hydroxyalkanoate, in the presence of a tertiary organic amine. (Machine-translation by Google Translate, not legally binding)
ES360891A1967-12-011968-11-29A procedure for the preparation of an ioxazolidindion. (Machine-translation by Google Translate, not legally binding)
ExpiredES360891A1
(en)
Procedure for the preparation of substitute di-N-oxido- (1,4) 2-methyl-3-amidino-quinoxalinas. (Machine-translation by Google Translate, not legally binding)