Synthesis of Unsymmetrical Polysubstituted Pyridines from β-Sulfonylvinylamines via 1-Aza-Allyl Anion Intermediates
作者:Mark Lautens、Chan Lau、Gavin Tsui
DOI:10.1055/s-0031-1289578
日期:2011.12
A modular synthesis of highly functionalized unsymmetrical pyridines has been developed from reacting β-sulfonylvinylamines with α,β-unsaturated systems in the presence of base via the formation of 1-aza-allyl anion intermediates. β-sulfonylvinylamines - 2,4,6-triarylpyridines - 1-aza-allyl anions - α,β-unsaturated ketones - cascade reactions
通过在碱的存在下通过形成1-氮杂-烯丙基阴离子中间体,使β-磺酰基乙烯基胺与α,β-不饱和体系反应,已经开发了高度官能化的不对称吡啶的模块合成。 β-磺酰基乙烯基胺-2,4,6-三芳基吡啶-1-氮杂烯丙基阴离子-α,β-不饱和酮-级联反应