A new synthesis of perfluoroalkylmethyloxiranes and perfluoroalkylmethylaziridines is accomplished by addition of allylalcohol or allylamine to iodoperfluoroalkanes in the presence of potassium or sodium hydroxide.
Rubio,Blancou,Commeyras
p. 1 - 5
(2007/10/03)
Ultrasound-Promoted Selective Perfluoroalkylation on the Desired Position of Organic Molecules
Perfluoroalkylzinc iodides or bromides wich were prepared from perfluoroalkyl iodides or bromides and zinc powder in N,N-dimethylformamide or tetrahydrofuran with ultrasonic irradiation were found to behave as potential perfluoroalkylating reagents for the preparation of a wide variety of perfluoroalkylated compounds.Especially, the ultrasound-promoted asymmetric induction with perfluoroalkyl group on the asymmetrical carbon was achieved by the reaction of perfluoroalkyl halides with optically active enamines in the presence of zinc powder and a catalytic amount of dichlorobis(?-cyclopentadienyl)titanium.
Kitazume, Tomoya,Ishikawa, Nobuo
p. 5186 - 5191
(2007/10/02)
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