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Published in 2019 at "Tetrahedron"
DOI: 10.1016/j.tet.2019.01.054
Abstract: Abstract Novel 8-(het)aryl-6H-pyrano[4′,3′:4,5]thieno[3,2-b]pyridines were prepared in good to high yields by a tandem one-pot procedure of Sonogashira coupling and 6-endo-dig lactonization from 3-bromothieno[3,2-b]pyridine-2-carboxylic acid and (het)arylalkynes. Sonogashira coupling products were also prepared from the corresponding…
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Keywords:
endo dig;
aryl pyrano;
het;
novel het ... See more keywords