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2
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67650370553
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Selected examples
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Selected examples:
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6
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0344443338
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T. Machiguchi, J. Okamoto, J. Takachi, T. Hasegawa, S. Yamabe, T. Minato, J. Am. Chem. Soc. 2003, 125, 14446.
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Machiguchi, T.1
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Hasegawa, T.4
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Minato, T.6
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7
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0033611968
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W. Huang, H. Henry-Riyad, T. T. Tidwell, J. Am. Chem. Soc. 1999, 121, 3939.
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Huang, W.1
Henry-Riyad, H.2
Tidwell, T.T.3
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9
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0001969507
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K. Ogura, N. Sumitani, A. Kayano, H. Iguchi, M. Fujita, Chem. Lett. 1992, 1487.
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Ogura, K.1
Sumitani, N.2
Kayano, A.3
Iguchi, H.4
Fujita, M.5
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10
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34250155312
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a) S. Yoshida, H. Yorimitsu, K. Oshima, J. Organomet. Chem. 2007, 692, 3110.
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Yoshida, S.1
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Oshima, K.3
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38349166185
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S. Yoshida, H. Yorimitsu, K. Oshima, Org. Lett. 2007, 9, 5573.
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Yoshida, S.1
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49149120184
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Yoshida, S.1
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66149097866
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15
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33845377664
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Viehe, H.G.1
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16
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84869341549
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Experimental procedure: A benzene (1.0 mL) solution of 2-methylene-1, 3-dithiane 1-oxide (1a, 49.4 mg, 0.33 mmol, 2-bromo-2-methylpropane (0.11 mL, 0.99 mmol, and 2, 2'-azobis (isobutyronitrile, 5.0 mg, 0.030 mmol) was placed in a flask under an atmosphere of argon. Then, a benzene (1.0 mL) solution of tributy kin hydride (0.18 mL, 0.66 mmol) was added over 1 h with a syringe pump at reflux. After the addition was completed, the mixture was stirred for an additional 1 h at the same temperature. The reaction mixture was poured into saturated aqueous NaHCO3 (5 mL) and extracted with EtOAc (3 × 10 mL, The combined organic layer was dried over anhydrous Na 2SO4 and concentrated in vacuo. Purification by chromatography on silica gel (hexane/AcOEt=1/2) provided 2-(2, 2-dimethylpropyl, 1, 3-dithiane 1-oxide 3a, 58.0 mg, 84
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4 and concentrated in vacuo. Purification by chromatography on silica gel (hexane/AcOEt=1/2) provided 2-(2, 2-dimethylpropyl) -1, 3-dithiane 1-oxide (3a, 58.0 mg, 84%).
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17
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0002080310
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Smooth hydrogen abstraction from triphenyltin hydride would increase the efficiency of the reaction, because of the weaker Sn-H bond of triphenyltin hydride. See: C. Chatgilialoglu, M. Newcomb, Adv. Organomet. Chem. 1999, 44, 67
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Smooth hydrogen abstraction from triphenyltin hydride would increase the efficiency of the reaction, because of the weaker Sn-H bond of triphenyltin hydride. See: C. Chatgilialoglu, M. Newcomb, Adv. Organomet. Chem. 1999, 44, 67.
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