3,7-diethyl-3,7-dimethyl-4,6-Nonanedione
- Product Name
- 3,7-diethyl-3,7-dimethyl-4,6-Nonanedione
- CAS No.
- 865193-73-3
- Chemical Name
- 3,7-diethyl-3,7-dimethyl-4,6-Nonanedione
- Synonyms
- 2,2,6,6-tetraethyl-3,5-heptanedione;3,7-diethyl-3,7-dimethylnonane-4,6-dione;3,7-diethyl-3,7-dimethyl-4,6-Nonanedione;4,6-Nonanedione, 3,7-diethyl-3,7-dimethyl-;3, 7-diethyl-3, 7-dimethylnonane-4, 6-diketone
- CBNumber
- CB04868288
- Molecular Formula
- C15H28O2
- Formula Weight
- 240.38
- MOL File
- 865193-73-3.mol
3,7-diethyl-3,7-dimethyl-4,6-Nonanedione Property
- Boiling point:
- 312.4±15.0 °C(Predicted)
- Density
- 0.888±0.06 g/cm3(Predicted)
- pka
- 11.90±0.10(Predicted)
- InChI
- InChI=1S/C15H28O2/c1-7-14(5,8-2)12(16)11-13(17)15(6,9-3)10-4/h7-11H2,1-6H3
- InChIKey
- QCIMLTPFBSDZNO-UHFFFAOYSA-N
- SMILES
- CCC(CC)(C)C(=O)CC(=O)C(CC)(C)CC
3,7-diethyl-3,7-dimethyl-4,6-Nonanedione Chemical Properties,Usage,Production
Chemical Properties
3,7-diethyl-3,7-dimethyl-4,6-Nonanedione, also known as 2,2,6,6-tetraethyl-3,5-heptanedione, is a light yellow transparent liquid.
Uses
3,7-diethyl-3,7-dimethyl-4,6-Nonanedione could replace alkoxide ligands leads to the formation of the thermodynamically stable Zr(thd)4. Modification with 2,2,6,6,- tetramethyl-3,5-heptanedione (Hthd) provides higher volatility by the improved shielding effect on the metal atom by the larger terminal organic groups[1].
Preparation
Under nitrogen protection, N,N'-dimethoxy-N,N'-dimethylmalonamide (76.1g, 0.4mol), B(C6F5)3(20.5g ,0.04mol), and 380mL 2-methyltetrahydrofuran were added to reaction vial. Lower the temperature to -20°C, 587mL 1.5mol/L 3-methyl pentane magnesium chloride 2-methyl tetrahydrofuran solution (0.88mol) was added dropwise at this temperature and then slowly raise the temperature to 0°C. React for 1 hour, add dropwise saturated ammonium chloride aqueous solution to quench and extract the aqueous phase with ethyl acetate, combine the organic phases and concentrate, heat up and vacuum rectify under reduced pressure. Finally, collect fractions at 145-152°C to obtain 3,7-diethyl-3,7-dimethyl-4,6-Nonanedione.
References
[1] Spijksma G, et al. Chemistry of 2,2,6,6,-Tetramethyl-3,5-heptanedione (Hthd) Modification of Zirconium and Hafnium Propoxide Precursors. Inorg. Chem., 2006; 45: 4938–4950.
3,7-diethyl-3,7-dimethyl-4,6-Nonanedione Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 3,7-diethyl-3,7-dimethyl-4,6-Nonanedione manufacturers
- Product
- 3,7-Diethyl-3,7-dimethyl-4,6-nonanedione 865193-73-3
- Price
- US $0.00-0.00/kg
- Min. Order
- 0.10000000149011612kg
- Purity
- 99%
- Supply Ability
- 100kg
- Release date
- 2023-05-17