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The use of natural \u03b1\u2010amino acids as chiral ligands allowed the preparation of novel dirhodium(II) homochiral complexes by a simple procedure consisting of the <jats:italic>in situ<\/jats:italic> ligand exchange starting from dirhodium tetraacetate. The catalytic system was further reused up to 7 cycles and \u03b2\u2010lactams were obtained in good yields and enantiomeric excess.<\/jats:p>","DOI":"10.1002\/adsc.201200101","type":"journal-article","created":{"date-parts":[[2012,10,10]],"date-time":"2012-10-10T09:01:29Z","timestamp":1349859689000},"page":"2921-2927","source":"Crossref","is-referenced-by-count":29,"title":["Asymmetric Intramolecular C\uf8ffH Insertion of \u03b1\u2010Diazoacetamides in Water by Dirhodium(II) Catalysts Derived from Natural Amino Acids"],"prefix":"10.1002","volume":"354","author":[{"given":"Nuno R.","family":"Candeias","sequence":"first","affiliation":[]},{"given":"Carolina","family":"Carias","sequence":"additional","affiliation":[]},{"given":"Luis F. R.","family":"Gomes","sequence":"additional","affiliation":[]},{"given":"V\u00e2nia","family":"Andr\u00e9","sequence":"additional","affiliation":[]},{"given":"M. Teresa","family":"Duarte","sequence":"additional","affiliation":[]},{"given":"Pedro M. 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