3,3-Dimethyl-1,5-dioxaspiro(5.5)undecan-9-one

Names

[ Name ]:
3,3-Dimethyl-1,5-dioxaspiro(5.5)undecan-9-one

[Synonym ]:
MFCD00006652
3,3-Dimethyl-1,5-dioxaspiro[5.5]undecan-9-one
3,3-Dimethyl-1,5-dioxaspiro(5.5)undecan-9-one
EINECS 273-918-4
1,5-Dioxaspiro[5.5]undecan-9-one, 3,3-dimethyl-

Chemical & Physical Properties

[ Density]:
1.1±0.1 g/cm3

[ Boiling Point ]:
295.4±40.0 °C at 760 mmHg

[ Melting Point ]:
45-50 °C(lit.)

[ Molecular Formula ]:
C₁₁H₁₈O₃

[ Molecular Weight ]:
198.259

[ Flash Point ]:
123.3±13.8 °C

[ Exact Mass ]:
198.125595

[ PSA ]:
35.53000

[ LogP ]:
1.24

[ Vapour Pressure ]:
0.0±0.6 mmHg at 25°C

[ Index of Refraction ]:
1.484

MSDS

Click to get detail MSDS

Safety Information

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S24/25

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ HS Code ]:
2932999099

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2932999099

[ Summary ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Articles

Carbanion-induced base-catalyzed synthesis of 1H-isothiochromenes, benzo[c]thiochromenes through ring-transformation reactions of 6-aryl-2H-pyran-2-ones.

J. Org. Chem. 66(16) , 5333-7, (2001)

An innovative approach to the one-pot synthesis of highly functionalized 3,4-dihydro-1H-isothiochromenes (3), 6H-benzo[c]thiochromenes (5, 6), 6H-benzo[c]chromenes (8), and 2,3-dihydro-1-benzothiophen...