One-Pot Synthesis of 4,8-Dibromobenzo[1,2-c;4,5-c′]bis[1,2,5]thiadiazole
Organic Letters2010Vol. 12(15), pp. 3340–3343
Citations Over TimeTop 13% of 2010 papers
Teck Lip Dexter Tam, Hairong Li, Fengxia Wei, Ke Jie Tan, Christian Kloc, Yeng Ming Lam, Subodh G. Mhaisalkar, Andrew C. Grimsdale
Abstract
A one-step synthesis of 4,8-dibromobenzo[1,2-c;4,5-c']bis[1,2,5]thiadiazole with use of 1,2,4,5-tetraaminobenzene tetrahydrobromide and thionyl bromide in good yield is reported. This unit can then be used in the synthesis of low bandgap materials via palladium-catalyzed coupling reactions. The approach offers a quick and easy way to prepare low bandgap materials as compared to the current literature methods.
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