Manufacture of 4-aryl-2-perfluoroalkyl-3-oxazolin-5-one from...

Details Manufacture of 4-aryl-2-perfluoroalkyl-3-oxazolin-5-one from... Manufacture of 4-aryl-2-perfluoroalkyl-3-oxazolin-5-one from...

C - Chemistry, Metallurgy

07

D

C07D 263/42 (2006.01) C07D 413/04 (2006.01)

Patent

CA 2160081

There is provided an efficient single step process to produce 4-aryl-2-perfluoroalkyl-3-oxazolin-5-one from arylglycine and a perfluoroacylating agent in the presence of a phosphorous trihalide and a solvent. The oxazolinone is a key intermediate in the production of insecticidal, nematicidal and acaricidal arylpyrrole compounds.

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