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These materials are the starting point for the synthesis of 6\u2010carboxybenzo[<jats:italic>b<\/jats:italic>]azocin\u20102\u2010ones by a sequence of aryl amination and ring transformation. This reaction sequence starts with copper\u2010catalyzed formation of <jats:italic>N<\/jats:italic>\u2010alkyl anilines from the iodoarenes and primary amines in the presence of K<jats:sub>3<\/jats:sub>PO<jats:sub>4<\/jats:sub> as stoichiometric base. The intermediate products underwent ring transformation by addition of the nitrogen into the carbonyl group of the cycloalkanone, furnishing benzo\u2010annulated eight\u2010membered ring lactams. Under the same reaction conditions, the cyclohexanone and cycloheptanone derivatives gave no aminated products, but ring\u2010transformed to benzofuran derivatives. The title compounds of this investigation contain two points for further diversification (the lactam nitrogen and the carboxylate function), thus, the suitability of this compound class as a scaffold was proven by appropriate functionalizations. The first series of derivatizations of the scaffold was initiated by hydrogenolytic debenzylation of N\u2010benzyl derivative to provide the NH\u2010congener, which could be deprotonated with LDA and alkylated at nitrogen to give further examples of this compound class. Secondly, the ester function was submitted to saponification and the resulting carboxylic acid could be amidated using HATU as coupling reagent to furnish different amides.<\/jats:p>","DOI":"10.1002\/chem.201903139","type":"journal-article","created":{"date-parts":[[2019,8,21]],"date-time":"2019-08-21T05:24:26Z","timestamp":1566365066000},"page":"14912-14920","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Synthesis of Benzo[<i>b<\/i>]azocin\u20102\u2010ones by Aryl Amination and Ring\u2010Expansion of \u03b1\u2010(Iodophenyl)\u2010\u03b2\u2010oxoesters"],"prefix":"10.1002","volume":"25","author":[{"given":"Anna","family":"Dierks","sequence":"first","affiliation":[{"name":"Institut f\u00fcr Chemie Carl von Ossietzky Universit\u00e4t Oldenburg  26111 Oldenburg Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jan","family":"T\u00f6njes","sequence":"additional","affiliation":[{"name":"Institut 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