Et3N‑Catalyzed Tandem Formal [4 + 3] Annulation/Decarboxylation/Isomerization of Methyl Coumalate with Imine Esters: Access to Functionalized Azepine Derivatives
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An unprecedented catalytic tandem formal [4 + 3] cycloaddition/decarboxylation/isomerization of methyl coumalate and imine esters is successfully developed. This tandem reaction only requires Et3N as the mild base affording a series of highly functionalized seven-membered heterocyclic azepine derivatives in good yields with excellent regioselectivities.
创建时间：
2016-02-16
