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(c) For the last paper from our laboratory on the use of an arenecatalysed lithiation, see: Almena, J.; Foubelo, F.; Yus, M. J. Org. Chem. 1996, 61, 1859-1862.
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11b see: (a) Pelter, A.; Willians, L.; Wilson, J. W. Tetrahedron Lett. 1983, 24, 627-630.
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Pelter, A.1
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0000485694
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(b) Tamao, K.; Ishida, N.; Kumada, M. J. Org. Chem. 1983, 48, 2120-2122.
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Tamao, K.1
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Kumada, M.3
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36
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85030200986
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note
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2CO) the temperature was kept at -78°C during 1 h before the hydrolysis step.
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38
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85030208709
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note
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f= 0.35 (silica gel, hexane/ethyl acetate: 1/1 ).
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39
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85030197962
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note
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16. In other examples for the transformation 2→3 carried out in our laboratory we obtained yields better than 90%. These results are in good agreement with the literature data (ref 10b).
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