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Electronical chemicals

9,9-Diphenylfluorene-2-Boronic acid pinacol ester

CAS number

462128-39-8

Molecular formula C31H31BO3
Product name 9,9-Diphenylfluorene-2-Boronic acid pinacol ester
Molecular Structure

Molecular Weight:444.37200

PSA:18.46000

LogP:6.34890


9,9-Diphenylfluorene-2-Boronic acid pinacol ester is a highly versatile and useful intermediate used in the synthesis of various active pharmaceutical ingredients and other fine chemicals. This ester is a valuable starting material for various processes such as Diels-Alder reactions, Suzuki coupling reactions, and other palladium-catalysed cross-coupling reactions.


The 9,9-Diphenylfluorene-2-Boronic acid pinacol ester is a white to off-white powder, which is insoluble in water, but soluble in common organic solvents such as ethanol, toluene, and ethyl acetate. It is synthesised by the reaction of 9,9-Diphenylfluorene with 2-Boronic acid pinacol ester in the presence of a base in an organic solvent.


This ester has a molecular formula of C24H23BO4 and a molecular weight of 398.33 g/mol. Its boiling point is 318°C, melting point is 40-42°C, and flash point is 119°C.


The 9,9-Diphenylfluorene-2-Boronic acid pinacol ester is a valuable intermediate in the pharmaceutical industry, as it is used to synthesise a variety of active pharmaceutical ingredients, including antifungal agents, anti-inflammatory agents, antihypertensives, and other therapeutic agents. In addition, it is also used in the synthesis of various fine chemicals, such as dyes, pigments, and fragrances.


Due to its low cost and high reactivity, the 9,9-Diphenylfluorene-2-Boronic acid pinacol ester is a key intermediate for the synthesis of active pharmaceutical ingredients and fine chemicals. It is an important reagent for organic synthesis, and its usage is increasing day by day. Moreover, the ester is available in a wide range of grades and concentrations, which makes it suitable for a variety of applications.


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