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The 4,4′-(9,9-dimethylfluorene-2,7-diyl)dibenzoic acid (5) was synthesized using commercial fluorene as the starting material followed by processes of bromination, methylation, Suzuki coupling and hydrolysis. We reported it as an exclusive fluorescence sensor for 2,4,6-trinitrophenol (TNP) and acetate ions for the first time. The experimental results suggested a high efficiency for TNP detection with...
A novel CrO 3 catalyzed oxidation of primary alcohols to the carboxylic acids is reported. The oxidation proceeds smoothly with only 1-2 mol % of CrO 3 and 2.5 equivalents of H 5 IO 6 in wet MeCN to give the carboxylic acids in excellent yield. No significant racemization is observed for alcohols with adjacent chiral centers. Secondary alcohols are cleanly oxidized...
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