Rhodium- and Iridium-Catalyzed Dehydrogenative Cyclization through Double C–H Bond Cleavages To Produce Fluorene Derivatives
作者： Masaki Itoh , Koji Hirano , Tetsuya Satoh , Yu Shibata , Ken Tanaka
DOI: 10.1021/JO4000465
关键词: Fluorene 、 Medicinal chemistry 、 C h bond 、 Photochemistry 、 Copper 、 Chemistry 、 Rhodium 、 Iridium 、 Catalysis 、 Decarboxylation
摘要: The rhodium-catalyzed cyclization of a series 2,2-diarylalkanoic acids in the presence copper acetate as an oxidant smoothly proceeded through double C–H bond cleavages and subsequent decarboxylation to produce corresponding fluorene derivatives. direct triarylmethanols also took place efficiently by using iridium catalyst rhodium, while hydroxy function was still intact.
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