Conjugate Addition of Lithiated Methyl Pyridines to Enones
作者:Douglass F. Taber、Pengfei Guo、Michael T. Pirnot
DOI:10.1021/jo100890s
日期:2010.8.20
Preparatively useful conjugate addition of lithiated methyl pyridines to cyclic and acyclic enones is reported. Addition of 2-picoline to 3-penten-2-one led to a concise synthesis of the alkaloids (+/-)-senepodine G and (+/-)-cermizine C.
Concise Total Synthesis of (±)-Lycopladine A
作者:John E. DeLorbe、Monica D. Lotz、Stephen F. Martin
DOI:10.1021/ol100273p
日期:2010.4.2
A concise total synthesis of the Lycopodium alkaloid lycopladine A (1) is described that features sequential conjugate addition and enolate arylation reactions to construct the tricyclic core in two steps.