| Identification | Back Directory | [Name]
2,2-DIMETHYLCYCLOPENTANONE | [CAS]
4541-32-6 | [Synonyms]
2,2-DIMETHYLCYCLOPENTANONE
α,α-DiMethylcyclopentanone
CYCLOPENTANONE, 2,2-DIMETHYL-
2,2-DIMETHYL-1-CYCLOPENTANONE
2,2-dimethylcyclopentan-1-one
2,2-Dimethylcyclopentane-1-one
2,2-Dimethylcyclopentanone,97%
2,2-DiMethylcyclopentanone 96%
2,2-Dimethylcyclopentanone ,98%
2,2-DIMETHYLCYCLOPENTANONE, 96+% | [Molecular Formula]
C7H12O | [MDL Number]
MFCD00049164 | [MOL File]
4541-32-6.mol | [Molecular Weight]
112.17 |
| Chemical Properties | Back Directory | [Appearance]
Clear colorless to yellow liquid | [Boiling point ]
143-145 °C(lit.)
| [density ]
0.894 g/mL at 25 °C(lit.)
| [refractive index ]
n20/D 1.433(lit.)
| [Fp ]
91 °F
| [storage temp. ]
Sealed in dry,Room Temperature | [form ]
Solid | [color ]
White to light yellow | [InChI]
InChI=1S/C7H12O/c1-7(2)5-3-4-6(7)8/h3-5H2,1-2H3 | [InChIKey]
FTGZMZBYOHMEPS-UHFFFAOYSA-N | [SMILES]
C1(=O)CCCC1(C)C | [CAS DataBase Reference]
4541-32-6 |
| Hazard Information | Back Directory | [Chemical Properties]
Clear colorless to yellow liquid | [Uses]
2,2-Dimethylcyclopentanone enolate may be used as starting reagent in the enantioselective synthesis of chiral phosphines belonging to the P-aryl-2-phosphabicyclo[3.3.0]octane family (PBO). It may be used in the synthesis of:
- 2,6,6-trimethyl-2-azaspiro[4.4]nonane-1,3-dione, a spirosuccinimide moiety of asperparaline A
- novel spiropentanopyrrolizidine oxime alkaloids, namely 2′,3′,5′,6′,7′,7a′-hexahydro-2,2-dimethylspirocyclopentane-1
- δ,δ-dimethyl-δ-valerolactone, via Baeyer-Villiger oxidation
| [Synthesis Reference(s)]
The Journal of Organic Chemistry, 53, p. 1894, 1988 DOI: 10.1021/jo00244a011 | [General Description]
2,2-Dimethylcyclopentanone is a ketone. Synthesis of various C-2 substituted vitamin D derivatives with a 2,2-dimethylcyclopentanone unit in side chains has been reported. Regioselective synthesis of 2,2-dimethylcyclopentanone, via its enolate precursor regioselectively obtained using the 2-pyrrolidone magnesium salt, has been reported. |
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