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Employing a single N\u2010heterocyclic carbene (NHC)\u2010based pincer (CNC)Mn<jats:sup>I<\/jats:sup> complex, chemoselective single and double transfer hydrogenation of \u03b1,\u2009\u03b2\u2010unsaturated ketones to saturated ketones or alcohols by utilizing methanol as the hydrogen source is disclosed. The protocol was tolerant towards the selective transfer hydrogenation of C=C or C=O bonds in the presence of several other reducible functional groups and led to the synthesis of several biologically relevant molecules and natural products. Notably, this is the first report of a Mn\u2010catalyzed transfer hydrogenation of carbonyl groups with methanol. Several control experiments, kinetic studies, Hammett studies, and density functional theory (DFT) calculations were carried out to understand the mechanistic details of this catalytic process.<\/jats:p>","DOI":"10.1002\/cssc.202300683","type":"journal-article","created":{"date-parts":[[2023,6,8]],"date-time":"2023-06-08T03:05:04Z","timestamp":1686193504000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":33,"title":["Selective Transfer Hydrogenation of C=O and Conjugated C=C Bonds Using An NHC\u2010Based Pincer (CNC)Mn<sup>I<\/sup> Complex in Methanol**"],"prefix":"10.1002","volume":"16","author":[{"given":"Adarsha","family":"Mandal","sequence":"first","affiliation":[{"name":"Department of Chemistry Indian Institute of Technology Kanpur  208016 Kanpur India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kasturi","family":"Ganguli","sequence":"additional","affiliation":[{"name":"Department of Chemistry Indian 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