Polyarylene Synthesis by Cross-Coupling with HOMSi Reagents
K Shimizu, Y Minami, Y Nakao, K Ohya, H Ikehira…
Index: Shimizu, Kenta; Minami, Yasunori; Nakao, Yoshiaki; Ohya, Ken-Ichiro; Ikehira, Hideyuki; Hiyama, Tamejiro Chemistry Letters, 2013 , vol. 42, # 1 p. 45 - 47
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Citation Number: 5
Abstract
Cross-coupling reaction of dibromoarenes with HOMSi reagents (organo [2-(hydroxymethyl) phenyl] dimethylsilanes), or alternatively bromoarenes with arylene-bisHOMSi reagents, proceeded smoothly in the presence of a Pd catalyst and a weak base, and ter-or quaterarenes are produced in excellent yields. The present reaction was successfully applied to polyarylene synthesis using 4, 7-dibromobenzothiadiazole or a 2, 7- ...
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