Journal of Organic Chemistry p. 3043 - 3044 (1991)
Update date:2022-07-29
Topics: Characterization Purification and Isolation Halogenation Protection of Amine Group (if necessary)
Malik, A. A.
Tzeng, D.
Cheng, P.
Baum, K.
Fluorinated diisocyanates of the general structure OCN(CH2)2(CF2)n(CH2)2NCO were prepared from α,ω-diiodoperfluoroalkenes by insertion of ethylene into the CF3-I bond, displacement of the iodo groups with azide, reduction of the resulting azide groups to amines, phosgenation of the diamine.
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