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Rev."},{"key":"ref13\/cit13","unstructured":"Crystal data: C51H37N5NiO3,M= 810.55, triclinic, space groupP1\u0305,Z= 2,a= 11.5233(5) \u00c5,b= 12.9680(5) \u00c5,c= 13.3977(5) \u00c5, \u03b1 = 101.394(2)\u00b0, \u03b2 = 94.514(2)\u00b0, \u03b3 = 99.229(2)\u00b0,V= 1924.56(13) \u00c53, red plate with crystal size of 0.18 \u00d7 0.12 \u00d7 0.04 mm3. Of a total of 75\u2009694 reflections collected, 10\u2009222 were independent (Rint= 0.0428). FinalR1 = 0.0413 [I> 2\u03c3(I)] and wR2 = 0.1208 (all data). CCDC 780286. SeeSupporting Informationfor further details on the crystal solution and refinement."},{"key":"ref14\/cit14a","doi-asserted-by":"crossref","first-page":"2305","DOI":"10.1021\/ol070601w","volume":"9","author":"Alonso C. M. A.","year":"2007","journal-title":"Org. Lett."},{"key":"ref14\/cit14b","doi-asserted-by":"crossref","first-page":"1365","DOI":"10.1016\/S0040-4039(00)88807-3","volume":"31","author":"Vicente M. G. 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