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Additions of aromatic imines at the ortho carbon-hydrogen bonds to olefins were catalyzed by ruthenium complexes affording 1:1 addition products in good to excellent yields. In some cases, a by-product arising from dehydrogenative coupling was also obtained. Both aldimines and ketimines reacted well. Olefins such as styrene, 3,3-dimethyl-1-butene, and ethylene yielded corresponding products in good yields.
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Kakiuchi et al. (1996) studied this question.
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