Phosphoranylidenephosphines DmpPPMe3 (1a, Dmp = 2,6-Mes2C6H3) and Mes*PPMe3 (1b, Mes* = 2,4,6-But3C6H2) act as âPhospha-Wittigâ reagents with aldehydes providing phosphaalkenes [ArPC(H)R] in high yields.
亚
磷酰基膦 DmpPPMe3(1a,Dmp = 2,6-Mes2C6H3)和 Mes*PPMe3 (1b,Mes* = 2,4,6-But3C6H2)可作为 "
磷-维蒂希 "试剂与
醛类反应,以高产率提供膦烯烃 [ArPC(H)R]。