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Synlett 1996; 1996(6): 526-528
DOI: 10.1055/s-1996-5494
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Homopropargylic Alcohols from Propargylic Derivatives via Butyltelluro Allene Compounds

Miguel J. Dabdoub* , Jeane C. G. Rotta
  • *Laboratório de Síntese de Compostos Organocalcogênios, Departamento de Química, FFCLRP, Universidade de São Paulo, Av. Bandeirantes, 3900. Ribeirão Preto, SP-Brasil
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Publication Date:
31 December 2000 (online)

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Butyltelluro allenes have been prepared efficiently from propargyl bromides or tosylates. Reaction of butyltelluro allenes with butyllithium in THF at -78 °C followed by addition of a variety of aldehydes results in formation of homopropargylic alcohols in good yields.

telluro allenes - propargyl bromide - propargyl tosylate - homopropargylic alcohols - propargyl tellurides