[4+3]-Cycloaddition Reaction of Sulfilimines with Cyclobutenones: Access to Benzazepinones.
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DOI: 10.1021/acs.orglett.1c03413
Abstract: A catalyst-free [4+3]-cycloaddition reaction of N-aryl sulfilimines with cyclobutenones is described, which provides a straightforward protocol for synthesizing 1,5-dihydro-2H-benzo[b]azepin-2-ones under mild reaction conditions. This reaction features a broad substrate scope and good functional group tolerance… read more here.
Keywords: access benzazepinones; cycloaddition reaction; reaction; cyclobutenones access ... See more keywords