Zhang C, Murarka S, Seidel D. Facile formation of cyclic aminals through a Brønsted acid-promoted redox process.
J Org Chem 2009;
74:419-22. [PMID:
19053590 DOI:
10.1021/jo802325x]
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Abstract
Cyclic aminals were prepared through a Brønsted acid-promoted reaction. This redox neutral process involves iminium ion formation, 1,5 H-transfer, followed by ring closure.
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