Direct synthesis of the 1,2,3-[C_6H_4P-P-P]~- anion, isoelectronic with the indenyl anion [C_6H_4CH-H-CH]~-

摘要

The two products obtained from the reaction of 1,2-(PH_2)_2C_6H_6 with the mixed-metal base "BuLi-Sb(NMe_2)_3 in the presence of 12-crown-4, [Li(12-crown-4)_2]~+ [C_6H_4P_3]~- (1) and {[Li-(12-crown-4)_2]~+ }_3([Sb_11]~(3-) (2), represent thermodynamic sinks in which P-P and Sb-Sb bonding are maximized at the expense of P-Sb bonding, providing access to the 1,2,3-[C_6H_4P_3]~-phospholide anion.