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Acta"},{"key":"2410001_CR8","unstructured":"Typical synthetic procedure: A suspension of [(1,3,5-trimethylbenzene)RuCl2]2 (1.75 g, 3.00 mmol), 2,3-dihydroxypyridine (0.667 g, 6.00 mmol), and cesium carbonate (4.89 g, 15.0 mmol) in degassed methanol (120 cm3) was stirred for 1 h under nitrogen atmosphere. After the solvent was evaporated, the product was extracted with degassed dichloromethane. The dichloromethane solution was washed twice with deionized water, and then filtered, evaporated, and dried under reduced pressure, leaving a brown powder (1.43 g, yield 72%). 1H NMR (400 MHz, CDCl3, TMS): \u03b4 (ppm) = 2.19 (s, 27H; CH3), 4.75 (s, 9H; C6H3(CH3)3), 5.68 (dd, J = 6.7, 6.7 Hz, 3H; CH, dioxopyridine), 6.10 (d, J = 7.2 Hz, 3H; CH, dioxopyridine), 6.65 (d, J = 6.0 Hz, 3H; CH, dioxopyridine); 13C NMR (100 MHz, CDCl3, TMS): d (ppm) = 18.6 (CH3), 73.7, 100.7 (C6H3(CH3)3), 109.9, 113.9, 132.9, 157.3, 171.0 (dioxopyridine); MS (FAB+): m\/z = 992 [M+\u2013H]. Small amounts of water (1.7 wt%) and dichloromethane (4 wt%) were detected by Karl\u2013Fischer titrations and 1H NMR, respectively, indicating that the formation of 3\u00b7H2O\u00b70.5CH2Cl2. Elemental analysis data supported this composition (Anal. calcd. for C42H45N3O6Ru3\u00b7H2O\u00b70.5CH2Cl2: C, 48.5; H, 4.6; O, 4.0. Found: C, 48.1; H, 4.6; O, 4.0)."},{"key":"2410001_CR9","doi-asserted-by":"publisher","first-page":"605","DOI":"10.1021\/om00082a018","volume":"3","author":"J W Hull Jr.","year":"1984","unstructured":"J. W. Hull, Jr. and W. L. Gladfelter, Organometallics, 1984, 3, 605.","journal-title":"Organometallics"},{"key":"2410001_CR10","volume-title":"GAUSSIAN 03","author":"M J Frisch","year":"2004","unstructured":"M. J. 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