Abstract
A highly efficient one-pot process via a tandem reaction of catalytic asymmetric hydrogenation and oxa-Michael cyclization for the synthesis of 2,6-cis-disubstituted tetrahydropyrans has been developed (ee up to 99.9%, cis/trans-selectivity up to 99:1). This method provides a concise route to (-)-centrolobine (68.8% yield, three steps).
Original language | English |
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Pages (from-to) | 4758-4761 |
Number of pages | 4 |
Journal | Organic Letters |
Volume | 14 |
Issue number | 18 |
DOIs | |
Publication status | Published - 21 Sept 2012 |
Externally published | Yes |