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A Rh<jats:sup>I<\/jats:sup>\/Josiphos catalytic system combined with subsequent oxidative degradation of the primary adducts enables a straightforward access to \u03b1\u2010branched, \u03b2,\u03b3\u2010unsaturated carbonyl compounds. The present protocol exhibits perfect atom economy in the allylation step and is characterized by a great functional group compatibility. Furthermore, the use of \u03b1\u2010substituted malononitriles allowed for the construction of all\u2010carbon quaternary centers.<\/jats:p>","DOI":"10.1002\/chem.201804150","type":"journal-article","created":{"date-parts":[[2018,8,16]],"date-time":"2018-08-16T06:20:01Z","timestamp":1534400401000},"page":"15223-15226","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":35,"title":["Rhodium\u2010Catalyzed Asymmetric Allylation of Malononitriles as Masked Acyl Cyanide with Allenes: Efficient Access to \u03b2,\u03b3\u2010Unsaturated Carbonyls"],"prefix":"10.1002","volume":"24","author":[{"given":"Christian P.","family":"Grugel","sequence":"first","affiliation":[{"name":"Albert-Ludwigs-Universit\u00e4t Freiburg Institut f\u00fcr Organische Chemie  Albertstr.\u200521 79104 Freiburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2514-3898","authenticated-orcid":false,"given":"Bernhard","family":"Breit","sequence":"additional","affiliation":[{"name":"Albert-Ludwigs-Universit\u00e4t Freiburg Institut f\u00fcr Organische Chemie  Albertstr.\u200521 79104 Freiburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2018,9,13]]},"reference":[{"key":"e_1_2_2_1_1","unstructured":"\u00a0"},{"key":"e_1_2_2_2_2","doi-asserted-by":"publisher","DOI":"10.1002\/anie.196510752"},{"key":"e_1_2_2_2_3","doi-asserted-by":"publisher","DOI":"10.1002\/ange.19650772405"},{"key":"e_1_2_2_3_2","doi-asserted-by":"publisher","DOI":"10.1002\/anie.196906391"},{"key":"e_1_2_2_3_3","doi-asserted-by":"publisher","DOI":"10.1002\/ange.19690811707"},{"key":"e_1_2_2_4_2","doi-asserted-by":"publisher","DOI":"10.1002\/anie.197902393"},{"key":"e_1_2_2_4_3","doi-asserted-by":"publisher","DOI":"10.1002\/ange.19790910404"},{"key":"e_1_2_2_5_1","unstructured":"\u00a0"},{"key":"e_1_2_2_6_2","unstructured":"Umpoled Synthons (Ed.: T.\u2005A. 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