Synthesis of P,P′-Heterotopic Binaphthyl
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Serafino Gladiali; Antonio Dore; Davide Fabbri; Serenella Medici; Giovanna Pirri
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Article
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2000
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John Wiley and Sons
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English
⚖ 262 KB
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The introduction of two nonequivalent diarylphosphanyl substituents into the 2-and 2Ј-positions of 1,1Ј-binaphthalene has been successfully accomplished in four steps from 1,1Ј-binaphthalene-2,2Ј-diol (BINOL) through conversion into the ditriflate followed by sequential substitution of triflate grou