Liang P, Pan Y, Ma X, Jiao W, Shao H. A facile method for the synthesis of fused perhydropyrano[2,3-b]pyrans promoted by Yb(OTf)
3.
Chem Commun (Camb) 2018;
54:3763-3766. [PMID:
29589841 DOI:
10.1039/c7cc09628c]
[Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
A stereospecific three-component domino reaction between glycals, alkylidene malonate and aldehydes catalyzed by Yb(OTf)3 is described. Multi-substituted cis-fused perhydropyrano[2,3-b]pyran derivatives were obtained with high diastereoselectivity.
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