N-sulfinyl beta-amino Weinreb amides: synthesis of enantiopure beta-amino carbonyl compounds. Asymmetric synthesis of (+)-sedridine and (-)-allosedridine.
摘要：
reaction: see text] N-Sulfinyl beta-amino Weinreb amides are prepared by condensation of sulfinimines with the potassium enolate of N-methoxy-N-methylacetamide. These new chiral building blocks are useful for the asymmetric synthesis of beta-amino carbonyl compounds, as illustrated here by the concise enantioselective syntheses of sedum alkaloids (+)-sedridine and (-)-allosedridine.
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关键词：
sulfoxides, sulfones, sulfenes and derivatives (benzene compounds diastereoselective syntheses, enantioselective syntheses (incl. cis/trans‐isomerism alkaloids
DOI：
10.1002/chin.200335083
被引量：
年份：
2003
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