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A new fluorination procedure. Fluorination of 5,7-dimethylpyrazolo[1,5-a]pyrimidine

✍ Scribed by Thomas Novinson; Roland K. Robins; Darrell E. O'Brien

Publisher
Elsevier Science
Year
1973
Tongue
French
Weight
105 KB
Volume
14
Category
Article
ISSN
0040-4039

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## Abstract A simple approach to the fluorinated 1,5‐benzoxazepine ring system is described. By reacting commercially accessible aminophenols 1 and the trifluoroacetylvinyl ether 2, high yields of enaminones 3 were obtained. Functionalization of methyl group of compounds 3 gave rise to dieneamines