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Synlett 1997; 1997(9): 1047-1048
DOI: 10.1055/s-1997-1538
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Synthesis of 3,4-Dihydroisocoumarins from α-Lithiated o-Toluates

L. Ollero, L. Castedo, D. Domínguez*
  • *Departamento de Química Orgánica, Facultade de Química, Universidade de Santiago y Unidad Asociada al C.S.I.C., 15706 Santiago de Compostela, Spain
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Publication Date:
31 December 2000 (online)

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Tellurides 2 prepared from α-bromo-o-toluesters 1 undergo lithium-tellurium exchange to give benzylic anions that can be condensed with aldehydes or ketones to afford 3,4-dihydroisocumarins 3.

isocoumarin - benzylic anion - tellurium - o-toluates