Purification of crude 9,9-bis-(4-hydroxyphenyl)-fluorene

Details Purification of crude 9,9-bis-(4-hydroxyphenyl)-fluorene Purification of crude 9,9-bis-(4-hydroxyphenyl)-fluorene

1976-09-07

1977-09-20

Morgenstern, Norman

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260619R, 260619D, 260619F, C07C 3724

Patent

active

040497216

ABSTRACT:
Certain impurities found in 9,9-bis(4-hydroxyphenyl)-fluorene are removed by treatment of the latter with a methanol-water mixture and thereafter isolating the purified fluorene.

REFERENCES:
morgan, "Macromolecules", vol. 3, p. 536 (1970).

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