A method for efficient synthesis of quinolines via acceptorless dehydrogenative condensation is presented. A series of quinolines are obtained by the coupling reaction of 2‐aminobenzyl alcohols with secondary alcohols in the presence of bidentate terpyridine Mn(I) complex in good to excellent yields. Pleasantly, various substituted secondary alcohols and substituted aminobenzyl alcohols all provide quinolines with good functional group tolerance. Importantly, this investigation also provides a green and environmentally friendly protocol for constructing heterocyclic compounds.
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Wu et al. (2024) studied this question.
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