Copper-Catalyzed [2 + 2 + 3] Annulation of 1,6-Enynes with α‑Bromo-1,3-Dicarbonyl Compounds: Synthesis of Dihydrooxepines
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Copper-catalyzed [2 + 2 + 3] annulation of 1,6-enynes with α-bromo-1,3-dicarbonyl compounds is described. This reaction provides facile access to seven-membered dihydrooxepines for epidithiodiketopiperazines with two newly formed C–C bonds and one C–O bond.
创建时间：
2017-06-21
