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Kitagawa, T.; Tanaka, T.; Takata, Y.; Takeuchi, K.; Komatsu, K. J. Org. Chem. 1995, 60, 1490.
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Kitagawa, T.1
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Takeuchi, K.4
Komatsu, K.5
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0030876553
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Kitagawa, T.; Tanaka, T.; Takata, Y.; Takeuchi, K.; Komatsu, K. Tetrahedron 1997, 53, 9965.
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Kitagawa, T.1
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Takeuchi, K.4
Komatsu, K.5
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3
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0030870079
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Tanaka, T.; Kitagawa, T.; Komatsu, K.; Takeuchi, K. J. Am. Chem. Soc. 1997, 119, 9313.
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Tanaka, T.1
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4
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0000773267
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Komatsu, K.; Tomioka, I.; Okamoto, K. Tetrahedron Lett. 1980, 21, 947.
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(1980)
Tetrahedron Lett.
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Komatsu, K.1
Tomioka, I.2
Okamoto, K.3
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5
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85009267960
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Fagan, P. J.; Krusic, P. J.; Evans, D. H.; Lerke, S. A.; Johnston, E. J. Am. Chem. Soc. 1992, 114, 9697.
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Fagan, P.J.1
Krusic, P.J.2
Evans, D.H.3
Lerke, S.A.4
Johnston, E.5
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6
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0007618928
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60H was synthesized according to the procedure of Hirsch: (a) Hirsch, A.; Grösser, T.; Skiebe, A.; Soi, A. Chem. Ber. 1993, 126, 1061.
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Hirsch, A.1
Grösser, T.2
Skiebe, A.3
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7
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0042848225
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(b) Hirsch, A.; Soi, A.; Karfunkel, H. R. Angew. Chem., Int. Ed. Engl. 1992, 31, 766.
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Hirsch, A.1
Soi, A.2
Karfunkel, H.R.3
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8
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0345442876
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note
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4, was removed by extraction with carbon disulfide followed by filtration through a 0.45 μm Teflon membrane filter. The obtained product 4 was essentially pure and was used without further purification for spectroscopic characterization and related studies.
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9
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0344580761
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note
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max (ε) 213 (131 000), 257 (10 100), 327sh (29 900), 446 (5920) with end absorption to 750 nm. Details are given in the Supporting Information.
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10
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0345442873
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note
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Irradiation of the tert-butyl protons led to significant enhancement (21, 17, and 17%) of the three methine-proton signals.
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12
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43949171228
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(b) Henderson, C. C.; Rohlfing, C. M.; Cahill, P. A. Chem. Phys. Lett. 1993, 213, 383.
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Henderson, C.C.1
Rohlfing, C.M.2
Cahill, P.A.3
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13
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33751391527
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Matsuzawa, N.; Dixon, D. A.; Fukunaga, T. J. Phys. Chem. 1992, 96, 7594.
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(1992)
J. Phys. Chem.
, vol.96
, pp. 7594
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Matsuzawa, N.1
Dixon, D.A.2
Fukunaga, T.3
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14
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0344149242
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note
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PM3 calculations indicated that the formation of the 1,4-isomer is thermodynamically more favorable than the 1,2-isomer by 22.1 kcal/mol.
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15
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0027741282
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For example: (a) Komatsu, K.; Murata, Y.; Sugita, N.; Takeuchi, K.; Wan, T, S, M. Tetrahedron Lett. 1993, 34, 8473.
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(1993)
Tetrahedron Lett.
, vol.34
, pp. 8473
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Komatsu, K.1
Murata, Y.2
Sugita, N.3
Takeuchi, K.4
Wan, T.S.M.5
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16
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0004534181
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(b) Komatsu, K.; Kagayama, A.; Murata, Y.; Sugita, N.; Kobayashi, K.; Nagase, S.; Wan, T. S. M. Chem. Lett. 1993, 2163.
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(1993)
Chem. Lett.
, pp. 2163
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Komatsu, K.1
Kagayama, A.2
Murata, Y.3
Sugita, N.4
Kobayashi, K.5
Nagase, S.6
Wan, T.S.M.7
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17
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0344580759
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note
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max 995 nm, ε 2400, ref 3).
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19
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0345442872
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note
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- (0.1 M) as a supporting electrolyte and using ferrocene as an internal standard.
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20
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0028378154
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Suzuki, T.; Maruyama, Y.; Akasaka, T.; Ando, W.; Kobayashi, K.; Nagase, S. J. Am. Chem. Soc. 1994, 116, 1359.
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J. Am. Chem. Soc.
, vol.116
, pp. 1359
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Suzuki, T.1
Maruyama, Y.2
Akasaka, T.3
Ando, W.4
Kobayashi, K.5
Nagase, S.6
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