[GRAPHICS] Key steps of the synthesis of the Lythraceae alkaloid (-)-lasubine(I) are the formation of an enantiopure planar chiral arylaldehyde tricarbonylchromium complex and highly diastereoselective aza-Diels-Alder cycloaddition and intramolecular radical cyclization reactions to afford a quinolizidinone intermediate. Ketone reduction, desilylation, and decomplexation yield the enantiomerically pure product.
机构:
New York Inst Technol, Theobald Sci Ctr, Dept Biol & Chem Sci, Old Westbury, NY 11568 USANew York Inst Technol, Theobald Sci Ctr, Dept Biol & Chem Sci, Old Westbury, NY 11568 USA