ENANTIOPURE 2,3-DIHYDRO-4-PYRIDONES AS SYNTHETIC INTERMEDIATES - ASYMMETRIC SYNTHESES OF THE QUINOLIZIDINE ALKALOIDS (+)-MYRTINE, (-)-LASUBINE-I, AND (+)-SUBCOSINE-I
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作者:
COMINS, DL
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机构:Department of Chemistry, North Carolina State University, Raleigh
COMINS, DL
LAMUNYON, DH
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机构:Department of Chemistry, North Carolina State University, Raleigh
LAMUNYON, DH
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[1] Department of Chemistry, North Carolina State University, Raleigh
The first asymmetric syntheses of three quinolizidine alkaloids, (+)-myrtine, (-)-lasubine I, and (+)-subcosine I, were accomplished with a high degree of stereocontrol from readily available 4-methoxy-3-(triisopropylsilyl)pyridine in three, four, and five steps, respectively.