Articles with "tetrahydropyrano" as a keyword



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Acid-catalyzed highly diastereoselective and effective synthesis of 1,3-disubstituted tetrahydropyrano[3,4-b]indoles

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Published in 2017 at "Tetrahedron Letters"

DOI: 10.1016/j.tetlet.2016.11.110

Abstract: We successfully explored for the first time that trifluoroacetic acid (TFA) can effectively catalyze the oxaPictet-Spengler reaction of secondary tryptophols and acetals to synthesize 1,3-disubstituted 1,3,4,9-tetrahydropyrano[3,4-b]indoles in high yield (up to >99%) and diastereoselectivity (>20:1).… read more here.

Keywords: tetrahydropyrano; tetrahydropyrano indoles; disubstituted tetrahydropyrano; synthesis disubstituted ... See more keywords