Add time:08/17/2019         Source:sciencedirect.com

Three ruthenium(II) complex catalysts bearing 2,6-bis(tetrazolyl)pyridine were synthesized, structurally characterized, and applied in the transfer hydrogenation of ketones. Their different catalytic activities were attributed to the different phosphine ligands on the 4-chloro-2,6-bis(1-(p-tolyl)- 1H- tetrazol-5-yl)pyridine ruthenium(II) complexes, with that based on 1,4- bis(diphenylphosphino)  butane exhibiting better catalytic activity. A variety of ketones were reduced to their corresponding alcohols with >95% conversion.

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