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ChemicalBook CAS DataBase List 9,9'-Dihydroxy-9,9'-bi[9H-fluorene]
3073-51-6

9,9'-Dihydroxy-9,9'-bi[9H-fluorene] synthesis

11synthesis methods
-

Yield:3073-51-6 99%

Reaction Conditions:

Stage #1: 9-fluorenonewith 4-pyridinecarboxylic acid, methyl ester;bis(pinacol)diborane at 20; for 1 h;Inert atmosphere;Reflux;
Stage #2: with potassium hydrogen fluoride at 20; for 3 h;Inert atmosphere;

References:

Jo, Junhyuk;Kim, Seonyul;Choi, Jun-Ho;Chung, Won-Jin [Chemical Communications,2021,vol. 57,# 11,p. 1360 - 1363] Location in patent:supporting information