【摘 要】
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1 IntroductionRosolic acid, also called as resinous acid, is a trihydroxyphenyl methane dye mainly used as an oxidation resistant indicator in acid-base titrati
【机 构】
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Department of Chemistry and Institute of Advance Materials,State Key Laboratory of Inorganic Synthes
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1 IntroductionRosolic acid, also called as resinous acid, is a trihydroxyphenyl methane dye mainly used as an oxidation resistant indicator in acid-base titration with sharp color change depending on the pH, from 5.0(yellow) to 6.8(pink)[1,2]. It is also used as an initial reactant in the syntheses of 4,4,4"-tris(acyloxy)trityl chloride and its bromide for protection of primary hydroxyl groups[3], and a monomer in polyreaction to prepare color polymer fiber as pH probe[4].
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