PROCESS FOR PRODUCING 3-/3-CHLORISOXAZOL-5-YL/-PROPIONIC ACID

3-(3-chloro- isoe-oxazole-5-yl)- propionic-acid is prepd. - from nitro vinyl-furan and hydrochloric acid in a period of 5-9 hours at 100 deg.C max. under metallic ion free conditions. - The mixt. cools to room temp. and hydrochloric-acid is partially neutralised. Aq. nonmiscible solvent pref. an alk...

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Bibliographic Details
Main Authors ELEK,SANDOR,HU, MAROSSY,KATALIN,HU, MIHOKNE BORBELY,ILDIKO,HU, MIHOK,MIKLOS,HU, MANYA,LASZLO,HU
Format Patent
LanguageEnglish
Published 28.04.1990
Edition4
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:3-(3-chloro- isoe-oxazole-5-yl)- propionic-acid is prepd. - from nitro vinyl-furan and hydrochloric acid in a period of 5-9 hours at 100 deg.C max. under metallic ion free conditions. - The mixt. cools to room temp. and hydrochloric-acid is partially neutralised. Aq. nonmiscible solvent pref. an alkyl-ether is used for extraction. The alkyl ether is removed from the extract and the residual prod. is crystallised with cooling.
Bibliography:Application Number: HU19880005320