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Note | Regular issue | Vol 57, No. 10, 2002, pp.1891-1896
Published online, 1st January, 1970
DOI: 10.3987/COM-02-9531
Fluorinated Heterocyclic Compounds. Synthesis of 5-Amino-, 5-N-Alkylamino-, and 5-N,N-Dialkylamino-3-perfluoroheptyl-1,2,4-oxadiazoles

Silvestre Buscemi,* Andrea Pace, Ivana Pibiri, and Nicolò Vivona

*Dipartimento di Chimica Organica, Università degli Studi di Palermo, Viale delle Scienze-Parco d’Orleans II, I-90128 Palermo, Italy


The synthesis of 5-amino-, 5-N-alkylamino-, and 5-N,N-dialkylamino-3-perfluoroheptyl-1,2,4-oxadiazoles has been realized with very good yields by ammonolysis or aminolysis of the 3-perfluoroheptyl-5-trichloromethyl-1,2,4-oxadiazole with ammonia, primary or secondary aliphatic amine. Some comments on the absorption spectra of fluorinated aminooxadiazoles are reported.