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Process for asymmetic total synthesis of camptothecln analogues and intermediates prepared thereby
Process for asymmetic total synthesis of camptothecln analogues and intermediates prepared thereby
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机译:喜树碱类似物和由此制备的中间体的不对称全合成方法
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摘要
The present invention provides a process for the asymmetric synthesis of camptothecin analogues as well as novel chemical intermediates of Formula I, II, and III. In general, the present process comprises conversion of a cis dioxolanone, having the same desired absolute configuration as the desired camptothecin analogue, to a compound of Formula I, II, or III, which compound is then converted to the desired camptothecin analogue. IMAGE (I)
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