Zobrazeno 1 - 1
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pro vyhledávání: '"racemic benzopyrano fused helical phosphafluorene deriv crystal mol structure"'
Publikováno v:
Organic Letters. 12(No. 6):1324-1327
Enantioenriched benzopyrano- and naphthopyrano-fused helical phosphafluorenes have been synthesized by the rhodium-catalyzed enantioselective double [2 + 2 + 2] cycloaddn. of dialkynyl phosphorus compds. with phenol- or naphthol-linked tetraynes. Pho