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ChemicalBook--->CAS DataBase List--->21170-10-5

21170-10-5

21170-10-5 Structure

21170-10-5 Structure
IdentificationMore
[Name]

CIS-1,5-DIMETHYLBICYCLO[3.3.0]OCTANE-3,7-DIONE
[CAS]

21170-10-5
[Synonyms]

3A,6A-DIMETHYLPERHYDROPENTALENE-2,5-DIONE
CIS-1,5-DIMETHYLBICYCLO[3.3.0]OCTANE-3,7-DIONE
cis-tetrahydro-3a,6a-dimethylpentalene-2,5(1H,3H)-dione
CIS-1,5-DIMETHYLBICYCLO(3.3.0)OCTANE-3,7-DIONE, 98+%
(3aβ,6aβ)-3a,6a-Dimethyloctahydropentalene-2,5-dione
1β,5β-Dimethylbicyclo[3.3.0]octane-3,7-dione
3a,4,6,6a-Tetrahydro-3aα,6aα-dimethyl-2,5(1H,3H)-pentalenedione
3aβ,6aβ-Dimethyltetrahydropentalene-2,5(1H,4H)-dione
[EINECS(EC#)]

244-255-8
[Molecular Formula]

C10H14O2
[MDL Number]

MFCD00003772
[Molecular Weight]

166.22
[MOL File]

21170-10-5.mol
Chemical PropertiesBack Directory
[Appearance]

white to light yellow crystal powde
[Melting point ]

228-230 °C(lit.)
[Boiling point ]

254.44°C (rough estimate)
[density ]

1.0060 (rough estimate)
[refractive index ]

1.4930 (estimate)
[CAS DataBase Reference]

21170-10-5(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Safety Statements ]

S24/25:Avoid contact with skin and eyes .
[WGK Germany ]

3
[Hazard Note ]

Irritant
Hazard InformationBack Directory
[Chemical Properties]

white to light yellow crystal powde
[Synthesis Reference(s)]

Tetrahedron Letters, 9, p. 4885, 1968 DOI: 10.1016/S0040-4039(00)72784-5
[General Description]

Olefination of cis-1,5-dimethylbicyclo[3.3.0]octane-3,7-dione with (carbethoxyethylidene)triphenylphospharane under controlled microwave heating has been investigated. It reacts with carbon disulfide, strong base and an alkylating agent in dipolar aprotic solvents to yield racemic mixtures of 2-dialkylthio-methylene compounds.
Spectrum DetailBack Directory
[Spectrum Detail]

CIS-1,5-DIMETHYLBICYCLO[3.3.0]OCTANE-3,7-DIONE(21170-10-5)IR
CIS-1,5-DIMETHYLBICYCLO[3.3.0]OCTANE-3,7-DIONE(21170-10-5)FT-IR
CIS-1,5-DIMETHYLBICYCLO[3.3.0]OCTANE-3,7-DIONE(21170-10-5)Raman
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

21170-10-5(sigmaaldrich)
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