tert-Butyl 9-oxo-3-azaspiro[5.5]undecane-3-carboxylate

Suppliers

Names

[ CAS No. ]:
873924-08-4

[ Name ]:
tert-Butyl 9-oxo-3-azaspiro[5.5]undecane-3-carboxylate

[Synonym ]:
2-Methyl-2-propanyl 9-oxo-3-azaspiro[5.5]undecane-3-carboxylate
3-Azaspiro[5.5]undecane-3-carboxylic acid, 9-oxo-, 1,1-dimethylethyl ester
tert-butyl 9-oxo-3-azaspiro[5.5]undecane-3-carboxylate

Chemical & Physical Properties

[ Density]:
1.1±0.1 g/cm3

[ Boiling Point ]:
381.1±42.0 °C at 760 mmHg

[ Melting Point ]:
70-73℃

[ Molecular Formula ]:
C15H25NO3

[ Molecular Weight ]:
267.364

[ Flash Point ]:
184.3±27.9 °C

[ Exact Mass ]:
267.183441

[ PSA ]:
46.61000

[ LogP ]:
1.51

[ Vapour Pressure ]:
0.0±0.9 mmHg at 25°C

[ Index of Refraction ]:
1.508

Safety Information

[ Hazard Codes ]:
Xi

[ HS Code ]:
2933990090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 3-Azaspiro[5.5]undec-7-ene-3-carboxylic acid, 9-oxo-, 1,1-diMethylethyl ester
  • Di-tert-butyl dicarbonate
  • BENZYL 9-OXO-3-AZASPIRO[5.5]UNDEC-7-ENE-3-CARBOXYLATE
  • 3-Aza-spiro[5.5]undecan-9-one hydrochloride
  • 4-Formyl-N-Cbz-piperidine

DownStream

  • 9-Hydroxy-3-aza-spiro[5.5]undecane-3-carboxylic acid tert-butyl ester

Customs

[ HS Code ]: 2933990090

[ Summary ]:
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%