A New and Safe Approach to (N-Vinylimino) phosphoranes
AR Katritzky, R Mazurkiewicz, CV Stevens…
文献索引:Katritzky, Alan R.; Mazurkiewicz, Roman; Stevens, Christian V.; Gordeev, Mikhail F. Journal of Organic Chemistry, 1994 , vol. 59, # 10 p. 2740 - 2742
December 6, 199P 1-[a-(Phosphorany1ideneamino) alkyll benzotriazoles, obtained by Staudinger phosphenimide-forming reaction of (azidoalkyl) benzotriazoles, possessing a proton in a &position to nitrogen reacted with sodium hydride in THF to afford (N-viny1imino) phosphoranes in high yields. The latter were trapped with chalcone to give the corresponding 2, 4-diphenylpyridines.