Endo Selectivity in the (4 + 3) Cycloaddition of Oxidopyridinium Ions.
Wanna SungnoiAngus B KetoRas Baizureen RoseliJinchu LiuHeather WangChencheng FuErik L RegaladoElizabeth H KrenskeMichael HarmataPublished in: Organic letters (2021)
The (4 + 3) cycloaddition of 2-trialkylsilyl-4-alkylbutadienes with an N-methyloxidopyridinium ion affords cycloadducts with high regioselectivity and excellent endo selectivity.
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