Process for the manufacture of 5-cyano-4-lower alkyl-oxazoles

Details Process for the manufacture of 5-cyano-4-lower alkyl-oxazoles Process for the manufacture of 5-cyano-4-lower alkyl-oxazoles

1994-02-16

1996-03-26

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D26330

Patent

active

055022120

ABSTRACT:
A process for the manufacture of 5-cyano-4-lower alkyl-oxazoles is described in which a 5-carbamoyl-4-lower alkyl-oxazole is dehydrated in an organic solvent under mild conditions with cyanuric chloride and an N,N-disubstituted-formamide.

REFERENCES:
patent: 3222374 (1965-12-01), Chase
patent: 4026901 (1977-05-01), Coffen
patent: 4093654 (1978-06-01), Coffen
patent: 4255584 (1981-03-01), Hoffmann-Paquotte
patent: 4772718 (1988-09-01), Nosberger
patent: 5214162 (1993-05-01), Nosberger
Olah, et al., Synthesis, 78: pp. 657-658 (1980).

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