Cq. Liu et al., Synthesis of three organo-bridged coupled key intermediates in the stepwise coupling polymerization, SYN COMMUN, 30(10), 2000, pp. 1813-1823
Three new organo-bridged coupled compounds, as the key intermediates in a n
ew route, so-called Stepwise Coupling Polymerization, were synthesized in h
igh yields by preamminolysis reaction.