Azzena, Ugo Gavino and Dettori, Giovanna and Idini, Maria Vittoria and Pisano, Luisa and Sechi, Grazia (2003) Regioselective reductive demethoxylation of 3,4,5-trimethoxystilbenes. Tetrahedron, Vol. 59 (40), p. 7961-7966. ISSN 0040-4020. Article.
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Selective removal of the 4-methoxy group of 3,4,5-trimethoxystilbenes was performed under electron transfer conditions from Na metal in THF. Careful control of reaction conditions and quenching procedure allowed the synthesis of either (E)-3,5-dimethoxystilbenes or 3,5-dimethoxybibenzyls.
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