Ring Enlargement Reaction of C,N-Cyclic‑N′‑acyl Azomethine Imines with Sulfonium Ylide: An Efficient Synthesis of 3‑Benzazepine Derivatives
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Highly efficient formation of 3-benzazepine derivatives has been achieved, based on the ring expansion reaction of C,N-cyclic-N′-acyl azomethine imines with sulfonium ylide generated in situ from the corresponding sulfonium salt. The reactions proceeded smoothly to afford the tricyclic 3-benzazepine derivatives in good to high yields. A wide range of C,N-cyclic N′-acyl azomethine imines were applicable to this reaction.
创建时间：
2016-02-16
