Stereoselective synthesis, structural aspects, and NMR properties of stable C-fluorinated phosphaalkenest

摘要

We report a stereoselective route to synthesize (E)2-bromo-2-fluoro-1-(2,4,6-tri-t-butylphenyl)-2-phosphaethene. Configurationally and conformationally controlled 2-fluoro-1-phosphaethene [Mes*P=C(F)H; Mes* = 2A6-tBu_3C_6H_2] and 2-fluoro-1,3-diphosphapropene [Mes*P= C(F)-Ph_2] were synthesized and the NMR data, including relaxation parameters, were collected.