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Síntese de 4-organocalcogenil-1h-isocromen-1-iminas e 3-(alquil calcogenoil-2-benzofenil[b]selenofeno[2,3-d] calcogenofenos via reações de ciclização mediadas por sais de ferro
(Universidade Federal de Santa Maria, 2016-08-03)
In this work we developed the efficient and selective heterocyclic product synthesis
using as electrophilic agent a ferric chloride combinated with diorganyl
dichalcogenides under mild conditions. In the first part of this ...
Síntese de derivados de benzo[b]furanos via dupla ciclização intramolecular promovida por t-BuOK
(Universidade Federal de Santa Maria, 2016-09-23)
In this work, we reported the developed study for the preparation of substituted benzo[b]furans
via double anionic intramolecular cyclization process promoted by t-BuOK. Firstly, a variety
of 5H-benzo[d]benzofuro[3, ...