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1
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0000688696
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For recent representative studies: (a) Katritzky, A. R.; Zhang, G.; Xie, L. J. Org. Chem. 1997, 62, 721.
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(1997)
J. Org. Chem.
, vol.62
, pp. 721
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Katritzky, A.R.1
Zhang, G.2
Xie, L.3
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2
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0031027535
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(b) Kobayashi, K.; Uneda, T.; Takada, K.; Tanaka, H.; Kitamura, T.; Morikawa, O.; Konishi, H. J. Org. Chem. 1997, 62, 664.
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(1997)
J. Org. Chem.
, vol.62
, pp. 664
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Kobayashi, K.1
Uneda, T.2
Takada, K.3
Tanaka, H.4
Kitamura, T.5
Morikawa, O.6
Konishi, H.7
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4
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0000085493
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(d) Charlton, J. L.; Oleschuk, C. J.; Chee, G-L. J. Org. Chem. 1996, 61, 3452.
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(1996)
J. Org. Chem.
, vol.61
, pp. 3452
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Charlton, J.L.1
Oleschuk, C.J.2
Chee, G.-L.3
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5
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33748976541
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(a) Tanabe, Y.; Seko, S.; Nishii, Y.; Yoshida, T.; Utsumi, N.; Suzukamo, G. J. Chem. Soc., Perkin Trans. 1, 1996, 2157.
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(1996)
J. Chem. Soc., Perkin Trans.
, vol.1
, pp. 2157
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Tanabe, Y.1
Seko, S.2
Nishii, Y.3
Yoshida, T.4
Utsumi, N.5
Suzukamo, G.6
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6
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33748640151
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(b) Nishii, Y.; Tanabe, Y. J. Chem. Soc., Perkin Trans. 1, 1997, 477.
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(1997)
J. Chem. Soc., Perkin Trans.
, vol.1
, pp. 477
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Nishii, Y.1
Tanabe, Y.2
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10
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0343375863
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note
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1H NMR δ 7.20-7.24 (2H, m), 7.26-7.34 (3H, m). (Formula presented)
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11
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0343375862
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note
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3) δ 2.18 (3H, s), 2.62 (3H, s), 7.29-7.32 (2H, m), 7.51-7.52 (1H, m), 8.34 (1H, d, J = 8.5 Hz).
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12
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0343811435
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note
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3) δ 2.18 (3H, s), 2.62 (3H, s), 7.21-7.22 (1H, m), 7.42-7.46 (1H, m), 7.47-7.51 (2H, m).
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13
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0343375800
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note
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3) δ 1.85 (3H, s), 1.89 (3H, s), 7.10-7.30 (2H, m), 7.40-7.60 (3H, m).
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14
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0342506222
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note
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3) δ 2.05 (3H, s), 6.65 (1H, s), 7.10-7.20 (2H, m), 7.23-7.60 (3H, m).
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15
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0343375861
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note
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3) δ 1.16 (3H, s), 1.27 (1H, d, J = 7.3 Hz), 2.41 (3H, s), 2.52 (1H, d, J = 7.3 Hz), 2.60-2.85 (1H, br, OH), 7.25 (2H, d, J = 8.0 Hz), 7.42 (2H, d, J = 8.0 Hz). 1d′: colorless crystals; mp 44-49 °C; δ 1.19(3H, s), 1.28 (1H, d, J = 7.3 Hz), 2.34 (3H, s), 2.52 (1H, d, J = 7.3 Hz), 2.72-2.84 (1H, br, OH), 7.05 (2H, d, J = 8.4 Hz), 7.09 (2H, d, J = 8.4 Hz). 1e: colorless crystals; mp 71-75 °C; δ 1.16 (3H, s), 1.30 (1H, d, J = 7.3 Hz), 2.51 (1H, d, J = 7.3 Hz), 2.70-3.00 (1H, br, OH), 7.41 (2H, d, J = 8.5 Hz), 7.47 (2H, d, J = 8.5 Hz). 1e′: colorless crystals; mp 98-102 °C; δ 1.19 (3H, s), 1.28 (1H, d, J = 7.3 Hz), 2.49 (1H, d, J = 7.3 Hz), 2.78-2.86 (1H, br, OH), 7.11 (2H, d, J = 9.0 Hz), 7.24 (2H, d, J = 9.0 Hz).
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16
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0343375860
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note
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3) δ 2.21 (3H, s), 2.46 (3H, s), 7.13 (2H, d, J = 7.5 Hz), 7.31 (2H, d, J = 7.5 Hz), 7.54 (1H, s). 2d/B: a colorless oil; δ 2.16 (3H, s), 2.36 (3H, s), 7.15 (1H, s), 7.34 (1H, d, J = 8.9 Hz), 7.45 (1H, s), 8.15 (1H, d, J = 8.9 Hz). On the reaction using 1d and 1d′, following by-products were detected: i) 1,1-dichloro-2,2-dihydro-3-methyl-4-(p-tolyl)-5,6,7,8-tetradeuterionaphthalene (48%), δ 2.04 (3H, s), 2.31 (3H, s), 3.69 (2H, s), 7.08-7.15 (4H, m); iii) 1,1-dichloro-2,2-dihydro-3,7-dimethyl-4-(pentadeuteriophenyl)naphthalene (20%), δ 2.02 (3H, s), 2.32 (3H, s), 3.73 (2H, s), 7.00-7.12 (3H, m); and iv) 4,4-dichloro-2-methyl-1-(pentadeuteriophenyl)-1-(p-tolyl)-1,3-butadiene (42%), δ 2.08 (3H, s), 2.36 (3H, s), 6.55 (1H, s), 7.03-7.14 (4H, m). 2e/A: a colorless oil; δ 2.20 (3H, s), 7.18 (2H, d, J = 8.5 Hz), 7.48 (2H, d, J = 8.5 Hz), 7.53 (1H, s). 2e/B: a colorless oil; δ 2.19 (3H, s), 7.37 (1H, d, J = 2.0 Hz), 7.45 (1H, dd, J = 2.0 Hz, J = 9.5 Hz), 7.52 (1H, s), 8.20 (1H, d, J = 9.5 Hz). On the reaction using 1e and 1e′, following by-products were detected: ii) See Ref. 11; and iv) 4,4-dichloro-1-(4-chlorophenyl)-2-methyl-1-(pentadeuteriophenyl)-1,3-butadiene (42%), δ 2.01 (3H, s), 6.48 (1H, s), 7.03 (2H, d, J = 8.3 Hz), 7.24 (2H, d, J = 8.3 Hz).
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17
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0343811434
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note
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3) δ 2.05 (3H, s), 6.48 (1H, s), 7.04 (2H, d, J = 8.6 Hz), 7.24 (2H, d, J = 8.6 Hz). We suppose that the formation of this product is due to the inherent low reactivity of 4-chlorophenyl.
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18
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0001317985
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Even 3,4-dimethoxyphenyl group is considerably more reactive than 3,4-methylenedioxyphenyl group: Sha, C-K.; Young, J-J.; Yeh, C-P.; Chang, S-C.; Wang, S-L. J. Org. Chem. 1991, 56, 2694.
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(1991)
J. Org. Chem.
, vol.56
, pp. 2694
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Sha, C.-K.1
Young, J.-J.2
Yeh, C.-P.3
Chang, S.-C.4
Wang, S.-L.5
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19
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0343375859
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note
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-1.
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20
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0030667914
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2 Tetrahedron Letters, Vol. 38, No. 41, pp. 7199-7202, 1997
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(1997)
Tetrahedron Letters
, vol.38
, Issue.41
, pp. 7199-7202
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