An efficient rhodium(III)-catalyzed redox-neutral C–H activation/cyclization/isomerization strategy to prepare isoquinolines with complete regioselectivity from aromatic oxime esters and diverse 1,3-dienes is described. The advantages of this process are: (1) no need for an external oxidant; (2) simple and convenient reaction conditions; (3) complete regioselectivity; (4) broad scope of substrates.
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Zhao et al. (2014) studied this question.
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