Synthesis of γ‑Lactams by Intermolecular (3 + 2) Annulation of Siloxy Alkynes and 3‑Aminooxetanes
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A silver-catalyzed intermolecular (3 + 2) annulation of siloxy alkynes and 3-aminooxetanes has been developed. This process provides mild and convenient access to useful γ-butyrolactams with high regio- and stereoselectivity. Mechanistically, intermolecular C–N bond formation likely precedes oxetane ring opening.
创建时间：
2025-04-11
