A stereoselective approach to 6-alkylated piperidinone & 2-piperidine via three-component vinylogous Mannich reactions (VMR) and a concise synthesis of (S)-anabasine
2011
Yang, Yang | Phillips, Dean P. | Pan, Shifeng
A three-component diastereoselective vinylogous Mannich-type reaction (VMR) with the silyl ketene acetal (1) was developed. Adducts from the reactions provided valuable intermediates for construction of a variety of chiral 6-alkylated piperidinone and 2-piperidine compounds. The strategy was applied in a concise synthesis (S)-anabasine.
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