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An equilibrium has been proposed between a compound of 3a's type and its tautomer 2-benzylisobenzofuran; see: Smith, J. G, Wikman, R. T. J. Org. Chem. 1974, 39, 3648. However, in view of the enantioselectivity's retention during the cyclization step, such an equilibrium may be ruled out in our case
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An equilibrium has been proposed between a compound of 3a's type and its tautomer 2-benzylisobenzofuran; see: Smith, J. G.; Wikman, R. T. J. Org. Chem. 1974, 39, 3648. However, in view of the enantioselectivity's retention during the cyclization step, such an equilibrium may be ruled out in our case.
-
-
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30
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41649119239
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2Zn in toluene at 60°C or with NaOH in THF at room temperature led to its decomposition.
-
2Zn in toluene at 60°C or with NaOH in THF at room temperature led to its decomposition.
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31
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