Brief, efficient and highly diastereoselective synthesis of (+/-)-pumiliotoxin C based on the generation of an octahydroquinoline precursor via a four-component reaction

[摘要]：A short and highly diastereoselective synthesis of the amphibian alkaloid pumiliotoxin C is described, based on the preparation of an octahydroquinoline derivative through a four-component reaction. The route proceeds in 66% overall yield from 1,3-cyclohexanedione and includes two hydrogenation steps, whose stereochemical outcome was controlled via nitrogen acylation.

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