Synthesis of the C1-C9 fragment of callipeltoside-A.
摘要：
[reaction: see text] The C1-C9 fragment of callipeltoside (17) was prepared in 12 steps and 7.2% overall yield from bicyclic lactone (+)-4. Key steps include a stereoselective epoxidation and further regiocontrolled nucleophilic opening of the oxirane ring to install two vicinal stereocenters (C5 and C6), and the use of bis(trimethylsilyl) peroxide and a catalytic amount of Sn(IV) chloride for the chemoselective Baeyer-Villiger oxidation of unsaturated cyclopentanone 15.
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DOI：
10.1021/ol006003y
被引量：
年份：
2000
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