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[摘要]:A short, stereoselective synthesis of the naturally occurring pyrrolidine radicamine B (I) is reported. Garner's (R)-aldehyde, prepd. from D-serine, was the chiral starting material. The pyrrolidine ring was stereoselectively created in a very efficient way through a five-step, one-pot transformation. In addn., an intermediate of this synthesis was transformed into an intermediate II of a previously published synthesis of the potent a-glucosidase inhibitor nectrisine. |
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