58160-31-9

Upstream product

• 486-25-9 9-fluorenone 
• 132384-36-2 2,7-bis-acetylamino-3,6-dinitro-fluoren-9-one 
• 5459-48-3 3,6-dinitro-2,7-diacetamidofluorene 
• 304-28-9 N,N'-(9H-fluorene-2,7-diyl)diacetamide 
• 132384-37-3 2,7-diamino-3,6-dinitro-fluoren-9-one 

Downstream Products

• 216312-73-1 3,6-dibromofluoren-9-one 
• 34223-82-0 3,6-dichloro-9H-fluoren-9-one 
• 83740-04-9 3,6-diamino-9-fluorenone 

Relevant academic research and scientific papers

Containing 3 mono-substituted or 3,6 di substituted fluorenyl metallocene and its preparation method and application (by machine translation)

The invention relates to a 3 mono-substituted or 3,6 b-substituted fluorene derivatives and [...] with the framework and the cross-linked metallocene compound and its preparation method and application. Wherein the preparation method comprises the following steps : (1) 3 mono-substituted or 3,6 di-substituted [...][...] in ether with the reaction to prepare fluorenyl/indenyl ligands lithium salt, (2) let fluorenyl/indenyl ligands of lithium salts with alkyl, alkenyl or an organic silyl halide reaction, in order to get the indenyl group in the 3 position with corresponding alkyl, alkenyl or an organic silyl halides of bridge fluorenyl/indenyl ligands ; (3) and a metal compound ligand the reaction may be carried out to obtain the corresponding metal complex metal cyclopentadienyl. The invention discloses a novel fluorenyl metallocene; the preparation method of this invention the synthetic steps are brief, the operation is simple, high yield, raw materials are easy, low cost, environmental pollution is small, is easy for industrial production. (by machine translation)

Electron donor of Ziegler-Natta catalyst and preparation method of electron donor

The invention relates to an electron donor of a Ziegler-Natta catalyst and a preparation method of the electron donor. Wherein, the preparation method comprises the following steps: reacting 3-monosubstituted or 3, 6-disubstituted fluorene and paraformaldehyde in an organic solvent to generate 9, 9-dihydroxy methyl substituted fluorene, and then carrying out alkylation to generate 9, 9-dialkoxy methyl substituted fluorene. The preparation method disclosed by the invention is short in synthesis step, simple and convenient to operate, high in yield, easily available in raw materials, low in cost, small in environmental pollution, easy for industrial production, and the prepared electron donor has the advantages that the catalysis effect is good when used in a catalysis of polypropylene reaction by the Ziegler-Natta catalyst, and the isotacticity of the generated polypropylene is high.

3-monosubstituted or 3,6-disubstituted fluorene derivative and preparing method and application thereof

The invention relates to a 3-monosubstituted or 3,6-disubstituted fluorene derivative and a preparing method and application thereof. The preparing method includes the steps that fluorenone is used as a raw material for generating a 9-fluorenone nitro derivative and a 9-fluorenone amino derivative, a diazo-reaction is carried out, an electrophilic substitution or cracking reaction is carried out to generate a 3-monosubstituted or 3,6-disubstituted 9-fluorenone derivative, and the 3-monosubstituted or 3,6-disubstituted 9-fluorenone derivative is reduced to generate the 3-monosubstituted or 3,6-disubstituted fluorene derivative. The preparing method includes simple and short synthesis steps, and is moderate in reaction condition, easy to operate, high in yield, low in cost and small in environment pollution, the raw material is easy to obtain, and industrial production is easy to realize.