Catalyst-Controlled Switch in Diastereoselectivities: Enantioselective Construction of Functionalized 3,4-Dihydro-2H-thiopyrano[2,3-b]quinolines with Three Contiguous Stereocenters
JOURNAL OF ORGANIC CHEMISTRY(2017)
Abstract
A tandem Michael-Henry reaction of 2-mercaptoquinoline-3-carbaldehydes with nitroolefins using hydrogen-bonding-based cooperative organocatalysts for the highly diastereodivergent synthesis of chiral functionalized 3,4-dihydro-2H-thiopyrano[2,3-b]quinolines with three contiguous tertiary stereocenters has been developed.
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Key words
enantioselective construction,34-dihydro-2<i>h</i>-thiopyrano23-<i>b</i>quinolines,diastereoselectivities,catalyst-controlled
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