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A domino nitro reduction‐aza‐Michael addition sequence has been investigated for α,β‐unsaturated ketones and compared with the analogous reaction for conjugated esters. As expected, six‐membered ring closures of ketones did not proceed as well as for esters (<60% vs. >85%) due to the greater inherent reactivity of the ketones. This problem was minimized by performing the cyclization at lower...