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B(C<jats:sub>6<\/jats:sub>F<jats:sub>5<\/jats:sub>)<jats:sub>3<\/jats:sub> activates N\u2010sulfonyl cyanamides, thus leading to a formal cleavage of the N\uf8ffCN bonds in conjunction with vicinal addition of sulfonamide and nitrile groups across an alkene. This method enables atom\u2010economical access to indolines and tetrahydroquinolines in excellent yields, and provides a complementary strategy for regioselective alkene difunctionalizations with sulfonamide and nitrile groups. Labeling experiments with <jats:sup>13<\/jats:sup>C suggest a fully intramolecular cyclization pattern due to the lack of label scrambling in double crossover experiments. Catalysis with Lewis acid is realized and the reaction can be conducted under air.<\/jats:p>","DOI":"10.1002\/anie.201310983","type":"journal-article","created":{"date-parts":[[2014,4,9]],"date-time":"2014-04-09T20:10:19Z","timestamp":1397074219000},"page":"5170-5174","source":"Crossref","is-referenced-by-count":59,"title":["Intramolecular Aminocyanation of Alkenes by N\uf8ffCN Bond Cleavage"],"prefix":"10.1002","volume":"53","author":[{"given":"Zhongda","family":"Pan","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sarah M.","family":"Pound","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Naveen R.","family":"Rondla","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christopher 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