| Identification | Back Directory | [Name]
CONGRESSANE | [CAS]
2292-79-7 | [Synonyms]
DIAMANTANE
DIAMANTINE
CONGRESSANE
Pentacyclo[5.3.1.12,6.14,11.19,14]tetradecane
PENTACYCLO[7.3.1.14,12.02,7.06,11]TETRADECANE
4,4'-Methylene-1,1'-methylene-5,6'-cyclo-3,2'-bicyclohexane
Congressane
Pentacyclo[7.3.1.1(4,12).0(2,7).0(6,11)]tetradecane | [Molecular Formula]
C14H20 | [MDL Number]
MFCD00171301 | [MOL File]
2292-79-7.mol | [Molecular Weight]
188.31 |
| Chemical Properties | Back Directory | [Melting point ]
236-237° | [Boiling point ]
258.34°C (rough estimate) | [density ]
1.092 | [refractive index ]
1.5500 (estimate) | [Fp ]
98.1℃ | [form ]
powder to crystal | [color ]
White to Light yellow | [Merck ]
14,2538 |
| Hazard Information | Back Directory | [Definition]
ChEBI: Diamantane is a polycyclic cage and a polycyclic alkane. | [Purification Methods]
Purify diamantane by repeated crystallisation from MeOH or pentane. Alternatively purify it by dissolving it in CH2Cl2, washing with 5% aqueous NaOH and water, and drying (MgSO4). The solution is filtered, concentrated to a small volume, an equal weight of alumina is added, and the solvent evaporated. The residue is placed on an activated alumina column (ca 4 x weight of diamantane) and eluted with pet ether (b 40-60o). Eight sublimations and twenty zone refining experiments gave material m 251o of 99.99% purity by differential analysis [Gund et al. Tetrahedron Lett 3877 1970, Courtney et al. J Chem Soc Perkin Trans I 2691 1972]. [For spectra see Cupas et al. J Am Chem Soc 87 919 1965.] |
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