cis-1,5-dimethylbicyclo[3.3.0]octane-3,7-dione

Modify Date: 2024-01-02 22:06:45

cis-1,5-dimethylbicyclo[3.3.0]octane-3,7-dione Structure
cis-1,5-dimethylbicyclo[3.3.0]octane-3,7-dione structure
Common Name cis-1,5-dimethylbicyclo[3.3.0]octane-3,7-dione
CAS Number 21170-10-5 Molecular Weight 166.21700
Density 1.142g/cm3 Boiling Point 257.5ºC at 760 mmHg
Molecular Formula C10H14O2 Melting Point 228-230ºC(lit.)
MSDS USA Flash Point 95ºC

 Use of cis-1,5-dimethylbicyclo[3.3.0]octane-3,7-dione


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.

 Names

Name 3a,6a-dimethyl-1,3,4,6-tetrahydropentalene-2,5-dione
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.142g/cm3
Boiling Point 257.5ºC at 760 mmHg
Melting Point 228-230ºC(lit.)
Molecular Formula C10H14O2
Molecular Weight 166.21700
Flash Point 95ºC
Exact Mass 166.09900
PSA 34.14000
LogP 1.72480
Vapour Pressure 0.0145mmHg at 25°C
Index of Refraction 1.522

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi
Safety Phrases 24/25
RIDADR NONH for all modes of transport
WGK Germany 3

 Synthetic Route

~83%

cis-1,5-dimethylbicyclo[3.3.0]octane-3,7-dione Structure

cis-1,5-dimethy...

CAS#:21170-10-5

Literature: Coates, Robert M.; Shach, Shrenik K.; Mason, Robert W. Journal of the American Chemical Society, 1982 , vol. 104, # 8 p. 2198 - 2208

 Articles2

More Articles
Microwave-assisted regioselective olefinations of cyclic mono-and di-ketones with a stabilized phosphorus ylide. Wu J, et al.

Tetrahedron 62(19) , 4643-50, (2006)

DITHIOCARBOXYLIERUNGSREAKTIONEN VON cis-BICYCLO [3.3. 0] OCTAN-3, 7-DIONEN. MOLEKÜL-UND KRISTALLSTRUKTUR VON cis-2, 6-BIS (DIMETHYLTHIO-METHYLEN)-BICYCLO [3.3. 0] OCTAN-3, 7-DION. Dölling W, et al.

Phosphorus. Sulfur. Silicon Relat. Elem. 113(1-4) , 263-74, (1996)

 Synonyms

1,5-dimethyl-bicyclo<3.3.0>octandion
1,5-Dimethylbicyclo<3.3.0>octan-3,7-dione
cis-3a,6a-Dimethyltetrahydropentalene-2,5(1H,3H)-dione
EINECS 244-255-8
1,5-Dimethylbicyclo<3.3.0>octan-3,7-dion
rel-(3aR,6aR)-3a,6a-diMethyl-octahydropentalene-2,5-dione
3A,6A-DIMETHYLPERHYDROPENTALENE-2,5-DIONE
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
MFCD00003772
Top Suppliers:I want be here


Get all suppliers and price by the below link:

cis-1,5-dimethylbicyclo[3.3.0]octane-3,7-dione suppliers

cis-1,5-dimethylbicyclo[3.3.0]octane-3,7-dione price