83740-04-9

Basic information

• Product Name: 3,6-diamino-9H-fluoren-9-one
• CAS NO: 83740-04-9
• Molecular Formula: C₁₃H₁₀N₂O
• Molecular Weight: 210.2313
• Mol File: 83740-04-9.mol

Chemical Properties

• Boiling Point: 518.2°C at 760 mmHg
• Flash Point: 267.2°C
• Density: 1.407g/cm³
• Vapor Pressure: 7.63E-11mmHg at 25°C
• Refractive Index: 1.775
• CAS DataBase Reference: 3,6-diamino-9H-fluoren-9-one(CAS DataBase Reference)
• NIST Chemistry Reference: 3,6-diamino-9H-fluoren-9-one(83740-04-9)
• EPA Substance Registry System: 3,6-diamino-9H-fluoren-9-one(83740-04-9)

Safety Data

• Hazardous Substances Data: 83740-04-9(Hazardous Substances Data)

Upstream product

• 304-28-9 N,N'-(9H-fluorene-2,7-diyl)diacetamide 
• 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 
• 58160-31-9 3,6-dinitrofluoren-9-one 
• 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 

Relevant articles and documents

Metallocene compounds, and preparation and use thereof for synthesis of poly-alpha-olefins as lubricating base oil

The present invention relates to a metallocene compound, and preparation and use thereof, and the compound can be used as a catalyst for synthesis of poly-α-olefin as lubricating base oil. The metallocene compound includes a substituted aryl group, a bridged atom, an optionally unsubstituted, 3-mono-substituted or 3,6-disubstituted 5H-indeno [1,2-b] pyridyl group or optionally unsubstituted, 3-mono-substituted or 3,6-disubstituted 5H-indeno [1,2-b] thiopyranyl group, and a metal coordination group. As a catalyst, the metallocene compound is shown to be structurally stable and high in catalytic efficiency, and the preparation of the catalyst is relatively easy in operation, high in yield, low in cost, low in pollution and easy to scale up for industrial production.

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.