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A synthetic route toward tetrahdro-3-benzazepines 1a–f starting with 2a and 2b in modest total yield is described. The facile route was carried by Henry reaction of aldehydes 3a–e with nitroalkanes and NH 4 OAc at reflux, reduction of the resulting nitroalkenes 4a–h with LAH at rt followed by protection with K 2 CO 3 and PhSO 2 Cl at rt, one-pot oxidative cleavage annulation...
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