Synthesis of dibenzothiophenes by pd-catalyzed dual C-H activation from diaryl sulfides
Palladium-catalyzed dual C-H functionalization of diaryl sulfides to form dibenzothiophenes (DBTs) by oxidative dehydrogenative cyclization is reported. This protocol afforded various DBTs in moderate to good yields with tolerance of a wide variety of substrates. Benzo[1,2-b:4,5-b]bis[b]benzothiophene was successfully synthesized by this method, which was used as an organic semiconductor for field-effect transistors.
Che, Rui,Wu, Zhiqing,Li, Zhengkai,Xiang, Haifeng,Zhou, Xiangge
supporting information
p. 7258 - 7261
(2014/06/23)
The Synthesis of All of the Dimethyldibenzothiophenes and Monoethyldibenzothiophenes
The synthesis of all four isomers of the monoethyldibenzothiophenes and all of the sixteen isomers of the dimethyldibenzothiophenes has been accomplished.
Tedjamulia, Marvin L.,Tominaga, Yoshinori,Castle, Raymond N.
p. 1485 - 1495
(2007/10/02)
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