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This alkene\u2010to\u2010alkane conversion with a stoichiometric quantity of LiAlH<jats:sub>4<\/jats:sub>\/Fe<jats:sup>0<\/jats:sup> does not need quenching with water or acids, implying that both H's originate from LiAlH<jats:sub>4<\/jats:sub>. The LiAlH<jats:sub>4<\/jats:sub>\/Fe<jats:sup>0<\/jats:sup> combination is also a remarkably potent cooperative catalyst for hydrogenation of multi\u2010substituted alkenes and benzene or toluene. An induction period of circa two hours and the minimally required temperature of 120\u2009\u00b0C, suggests that the actual catalyst is a combination of Fe<jats:sup>0<\/jats:sup> and the decomposition product of LiAlH<jats:sub>4<\/jats:sub> (LiH and Al<jats:sup>0<\/jats:sup>). A thermally pre\u2010activated LiAlH<jats:sub>4<\/jats:sub>\/Fe<jats:sup>0<\/jats:sup> catalyst did not need an induction time and is also active at room temperature and 1\u2005bar H<jats:sub>2<\/jats:sub>. A combination of Al<jats:italic>i<\/jats:italic>Bu<jats:sub>3<\/jats:sub> and Fe<jats:sup>0<\/jats:sup> is an even more active hydrogenation catalyst. Without pre\u2010activation, tetra\u2010substituted alkenes like Me<jats:sub>2<\/jats:sub>C=CMe<jats:sub>2<\/jats:sub> and toluene could be fully hydrogenated.<\/jats:p>","DOI":"10.1002\/anie.202219016","type":"journal-article","created":{"date-parts":[[2023,3,7]],"date-time":"2023-03-07T11:16:11Z","timestamp":1678187771000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Lithium Aluminium Hydride and Metallic Iron: A Powerful Team in Alkene and Arene Hydrogenation Catalysis"],"prefix":"10.1002","volume":"62","author":[{"given":"Christian","family":"Kn\u00fcpfer","sequence":"first","affiliation":[{"name":"Inorganic and Organometallic Chemistry Universit\u00e4t Erlangen-N\u00fcrnberg  Egerlandstrasse 1 91058 Erlangen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christian","family":"F\u00e4rber","sequence":"additional","affiliation":[{"name":"Inorganic and Organometallic Chemistry Universit\u00e4t Erlangen-N\u00fcrnberg  Egerlandstrasse 1 91058 Erlangen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jens","family":"Langer","sequence":"additional","affiliation":[{"name":"Inorganic and Organometallic Chemistry Universit\u00e4t Erlangen-N\u00fcrnberg  Egerlandstrasse 1 91058 Erlangen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3997-1440","authenticated-orcid":false,"given":"Sjoerd","family":"Harder","sequence":"additional","affiliation":[{"name":"Inorganic and Organometallic Chemistry Universit\u00e4t Erlangen-N\u00fcrnberg  Egerlandstrasse 1 91058 Erlangen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,3,28]]},"reference":[{"key":"e_1_2_7_1_1","doi-asserted-by":"publisher","DOI":"10.1021\/op2003826"},{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1021\/ja01197a061"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1021\/jo00080a035"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/0040-4020(79)87003-9"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1021\/ja01190a082"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/ange.19520641202"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201803804"},{"key":"e_1_2_7_7_2","doi-asserted-by":"publisher","DOI":"10.1002\/ange.201803804"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1002\/chem.202003862"},{"key":"e_1_2_7_9_1","unstructured":"\u00a0"},{"key":"e_1_2_7_10_2","doi-asserted-by":"publisher","DOI":"10.1021\/acs.organomet.0c00226"},{"key":"e_1_2_7_11_2","doi-asserted-by":"publisher","DOI":"10.1021\/acscatal.7b04279"},{"key":"e_1_2_7_12_2","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201906807"},{"key":"e_1_2_7_12_3","doi-asserted-by":"publisher","DOI":"10.1002\/ange.201906807"},{"key":"e_1_2_7_13_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccr.2017.03.017"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0040-4020(01)82245-6"},{"key":"e_1_2_7_15_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41467-022-30840-4"},{"key":"e_1_2_7_16_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202014326"},{"key":"e_1_2_7_16_2","doi-asserted-by":"publisher","DOI":"10.1002\/ange.202014326"},{"key":"e_1_2_7_17_1","unstructured":"\u00a0"},{"key":"e_1_2_7_18_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja01650a012"},{"key":"e_1_2_7_19_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja01650a013"},{"key":"e_1_2_7_20_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja01652a015"},{"key":"e_1_2_7_21_1","doi-asserted-by":"publisher","DOI":"10.1098\/rspa.1953.0125"},{"key":"e_1_2_7_22_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.jpcc.8b06321"},{"key":"e_1_2_7_23_1","doi-asserted-by":"publisher","DOI":"10.1063\/1.2714673"},{"key":"e_1_2_7_24_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.jpcc.9b06927"},{"key":"e_1_2_7_25_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.198608311"},{"key":"e_1_2_7_25_2","doi-asserted-by":"publisher","DOI":"10.1002\/ange.19860980905"},{"key":"e_1_2_7_26_1","first-page":"201","volume-title":"Applied Homogenous Catalysis with Organometallic Compounds","author":"Brunner H.","year":"2000"},{"key":"e_1_2_7_27_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201901548"},{"key":"e_1_2_7_27_2","doi-asserted-by":"publisher","DOI":"10.1002\/ange.201901548"},{"key":"e_1_2_7_28_1","doi-asserted-by":"publisher","DOI":"10.1021\/acscatal.0c01359"},{"key":"e_1_2_7_29_1","volume":"61","author":"Du H.-Z.","year":"2022","journal-title":"Angew. 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