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0013418182
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Palladium-Catalyzed Amination of Aryl Halides and Related Reactions
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For some examples and leading references, see: a, Negishi, E, Ed, Wiley: Hoboken
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For some examples and leading references, see: (a) Hartwig, J. F. Palladium-Catalyzed Amination of Aryl Halides and Related Reactions, In Handbook of Organopalladium Chemistry for Organic Synthesis; Negishi, E., Ed.; Wiley: Hoboken, 2002, 1051-1096.
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Handbook of Organopalladium Chemistry for Organic Synthesis
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Hartwig, J.F.1
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Ricci, A, Ed, Wiley-VCH: Weinheim
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(c) Hartwig, J. F. In Modern Amination Methods; Ricci, A., Ed.; Wiley-VCH: Weinheim, 2000, 195-262.
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Modern Amination Methods
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Hartwig, J.F.1
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(a) Jonckers, T. H. M.; Maes, B. U. W.; Lemiere, G. L. F.; Rombouts, G.; Pieters, L.; Haemers, A.; Dommisse, R. A. Synlett 2003, 615.
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Jonckers, T.H.M.1
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Rombouts, G.4
Pieters, L.5
Haemers, A.6
Dommisse, R.A.7
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(b) Tanoury, G. J.; Hett, R.; Wilkinson, H. S.; Wald, S. A.; Senanayake, C. H. Tetrahedron: Asymmetry 2003, 14, 3487.
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(c) Bradley, D. A.; Godfrey, A. G.; Schmid, C. R. Tetrahedron Lett. 1999, 40, 5155.
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(d) Tanoury, G. J.; Senanayaka, C. H.; Hett, R.; Kuhn, A. M.; Kessler, D. W.; Wald, S. A. Tetrahedron Lett. 1998, 39, 6845.
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(e) Hong, Y.; Tanoury, G. J.; Wilkinson, H. S.; Bakale, R. P.; Wald, S. A.; Senanayaka, C. H. Tetrahedron Lett. 1997, 38, 5607.
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(a) Bolm, C.; Martin, M.; Simic, O.; Verriucci, M. Org. Lett. 2003, 5, 427.
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34247229853
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General Procedure for Coupling of Sulfoximines with Aryl Dichlorides, Procedure A To 5 mL of toluene in a 10 mL microwave tube was successively added aryl dichlorides (1.0 equiv, R)-sulfoximine (4.0 equiv, rac-BINAP (7.5 mol, Pd(OAc)2 (5 mol, and Cs 2CO3 (14 equiv) under N2 atmosphere. The reaction mixture was stirred at r.t. for 30 min, then irradiated under vigorous stirring for 1.5 h at 135°C (constant temperature) and 200 W (irradiation power, The reaction was cooled down and diluted with CH2Cl 2, filtered through a pad of Celite® and concentrated in vacuo. The residue was purified by flash chromatography. Procedure B To 5 mL of toluene in a 10 mL microwave tube was successively added aryl chloride (1.5 mmol, R)-sulfoximine (0.3 mmol, rac-BINAP (7.5 mol, Pd(OAc)2 (5 mol, and Cs2CO3 (0.42 mmol) under N2 atmosphe
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2, filtered through a pad of Celite® and concentrated in vacuo. The residue was purified by flash chromatography (30-40% EtOAc-hexane).
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34247268753
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Data for Selected Compounds Compound 3 (procedure A, colorless liquid, yield 42, IR: 3064, 3019, 2925, 1589, 1474, 1286, 1200, 1090 cm-1. 1H NMR (300 MHz, CDCl3, δ, 8.06-8.03 (m, 2 H, 7.60-7.53 (m, 3 H, 7.31 (dd, J, 7.9, 1.5 Hz, 1 H, 7.19 (dd, J, 7.9, 1.5 Hz, 1 H, 6.97 (td, J, 7.5, 1.5 Hz, 1 H, 6.82 (td, J, 7.5, 1.5 Hz, 1 H, 3.25 (s, 3 H, 13C NMR (75.5 MHz, CDCl3, δ, 142.1, 139.0, 133.4, 129.8, 129.5, 128.5, 127.1, 123.9, 122.7, 45.6. HRMS: m/z calcd for C13H 12ClNOSNa [M, Na, 288.0220; found 288.0228, α]D25 12.25 (c 2.4, CHCl3, Compound 5 (procedure B, colorless liquid, yield 92, IR: 3060, 3015, 2949, 2921, 1732, 1585, 1442, 1298, 1262, 1176, 1033 cm-1 1H NMR (500 MHz, CDCl3, δ, 7.98-7.96 (m, 2 H, 7.60-7.57 m, 1 H, 7.53
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