Process for producing fluorene compound

Details Process for producing fluorene compound Process for producing fluorene compound

C - Chemistry, Metallurgy

09

B

260/276.2, 260/2

C09B 57/00 (2006.01) B41M 5/145 (2006.01) B41M 5/327 (2006.01) C07D 307/94 (2006.01)

Patent

CA 1330084

Abstract of the Disclosure An improved process for producing fluorene compounds of the following formula (II) is disclosed: Image (II) (wherein R1, R2 and R3 are independently a hydrogen atom, an alkylamino group, a dialkylamino group, a pyrrolidino group or a piperdino group; X and Y are independently a carbon atom or a nitrogen atom; and with the proviso that R1 and R2 are not hydrogen atoms simultaneously). The process comprises reacting a lactone compound of the formula (I) (variables being defined as in formula (II) ) Image (I) with a mixture of an aluminum halide, a carbonyl compound, and a hydroxy bearing compound.

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