Tetrahedron Letters p. 8605 - 8608 (1994)
Update date:2022-08-03
Topics:
Leroy, Jacques
Wakselman, Claude
N-Unsubstituted 3,4-difluoropyrrole is synthesized via a thermal <2+3> cycloaddition reaction of a N-tert-butyl 2-alkoxycarbonyl aziridine and chlorotrifluoroethylene.Dealkylation of an intermediate N-tert-butylpyrrole is obtained with trifluoromethanesulfonic acid.
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