L. Cui, Yu Peng, Liming Zhang
Jun 3, 2009
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Journal
Journal of the American Chemical Society
Abstract
An efficient, formal [4 + 2] synthesis of synthetically valuable piperidin-4-ones from secondary amines in two steps has been achieved via a key gold catalysis without the purification of tertiary amine intermediates. This reaction is selective toward the less-substituted alkyl group and shows moderate to excellent diastereoselectivities. Its synthetic potential in alkaloid synthesis is demonstrated in a highly diastereoselective synthesis of (+/-)-cermizine C.