Heterocycles p. 381 - 388 (2013)
Update date:2022-08-04
Topics:
Tayama, Eiji
Sato, Ryota
Ito, Motoshi
Iwamoto, Hajime
Hasegawa, Eietsu
A unique and simple preparative method for N-cyano-a-aryl-pipecolinic acid esters via base-induced Sommelet-Hauser rearrangement, the von Braun reaction, and intramolecular a-alkylation is reported. The removal of the N-cyano substituent was achieved by hydrogenation and hydride reduction.
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