(8A'r)-8A'-Methyl-3',4',8',8A'-Tetrahydro-2'H-Spiro[1,3-Dioxolane-2,1'-Naphthalen]-6'(7'H)-One

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Names

[ CAS No. ]:
117556-90-8

[ Name ]:
(8A'r)-8A'-Methyl-3',4',8',8A'-Tetrahydro-2'H-Spiro[1,3-Dioxolane-2,1'-Naphthalen]-6'(7'H)-One

[Synonym ]:
wieland-miescher ketone 9-ethylene ketal
8a'-Methyl-3',4',8',8a'-tetrahydro-2'H-spiro[1,3-dioxolane-2,1'-naphthalen]-6'(7'H)-one
Spiro[1,3-dioxolane-2,1'(2'H)-naphthalen]-6'(7'H)-one, 3',4',8',8'a-tetrahydro-8'a-methyl-

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
361.6±42.0 °C at 760 mmHg

[ Molecular Formula ]:
C13H18O3

[ Molecular Weight ]:
222.280

[ Flash Point ]:
163.8±14.3 °C

[ Exact Mass ]:
222.125595

[ PSA ]:
35.53000

[ LogP ]:
1.37

[ Vapour Pressure ]:
0.0±0.8 mmHg at 25°C

[ Index of Refraction ]:
1.536

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • R(-)-8A-METHYL-3,4,8,8A-TETRAHYDRO-1,6(2H,7H)-NAPHTHALENENDIONE
  • Ethylene glycol
  • 2-ETHYL-2-METHYL-1,3-DIOXOLANE

DownStream

  • SPIRO[1,3-DIOXOLANE-2,1'(2'H)-NAPHTHALENE]-5'-CARBOXYLIC ACID, 3',4',6',7',8',8'A-HEXAHYDRO-8'A-METHYL-6'-OXO-, METHYL ESTER (9CI) (4'AR, 5'R, 8'AR)