Substitution reactions are used to integrate the electron-rich diboron unit B2(hpp)2 (hpp=1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidinate (red color) in donor-acceptor cyclophanes and paddlewheel-type structures, and to synthesize new cationic unsymmetrically-substituted diboranes.
取代反应用于整合富电子二
硼单元 B 2 (hpp) 2 (hpp=1,3,4,6,7,8-hexahydro-2 H -pyrimido [1,2- a ]pyrimidinate (红色) 在供体-受体环烷和桨轮型结构中,并合成新的阳离子不对称取代的乙
硼烷。