Preparation of 9,9'-bis(amino- or iminophenyl) fluorenes

Details Preparation of 9,9'-bis(amino- or iminophenyl) fluorenes Preparation of 9,9'-bis(amino- or iminophenyl) fluorenes

C - Chemistry, Metallurgy

07

C

260/592.6, 260/5

C07C 209/60 (2006.01) C07C 209/78 (2006.01) C07C 211/54 (2006.01) C07C 249/02 (2006.01) C07C 251/24 (2006.01)

Patent

CA 2021705

A 9-fluorenon is reacted with a primary or secondary amine in the presence of an acidic perfluorosulfonic acid polymer to give 9,9'-bis(aminophenyl)fluorenes or 9-(iminophenyl)fluorenes.

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