Suzuki cross-coupling of benzo[b]thiophene 2-and 3-boronic acids with 3-bromo-2-((Z)-2-bromovinyl)thiophene

Ferreira, Isabel C.F.R.Schlegel, JensQueiroz, Maria João R.P.Maas, Gerhard2011-02-212011-02-212001Ferreira, Isabel C.F.R.; Schlegel, Jens; Queiroz, Maria-João R.P.; Maas, Gerhard (2001). Suzuki cross-coupling of benzo[b]thiophene 2-and 3-boronic acids with 3-bromo-2-((Z)-2-bromovinyl)thiophene. In 4º Encontro Nacional de Química Orgânica. Coimbrahttp://hdl.handle.net/10198/3469ln order to obtain precursors for a ring C convergent method to thienodibenzothiophene by an intramolecular Heck reaction, 3-bromo-2-((Z)-2-bromovinyl)thiophene 1 was prepared from 3-bromothiophene by ortho-directed lithiation followed by electrophilic formylation and formation of the bromovinyl moiet via the dibromo compound.engSuzuki cross-coupling of benzo[b]thiophene 2-and 3-boronic acids with 3-bromo-2-((Z)-2-bromovinyl)thiopheneconference object