tert-Butyl 6-bromo-4-oxospiro[chroman-2,4'-piperidine]-1'-carboxylate

Suppliers

Names

[ CAS No. ]:
690632-38-3

[ Name ]:
tert-Butyl 6-bromo-4-oxospiro[chroman-2,4'-piperidine]-1'-carboxylate

[Synonym ]:
tert-butyl 6-bromo-4-oxospiro[3H-chromene-2,4'-piperidine]-1'-carboxylate

Chemical & Physical Properties

[ Density]:
1.4±0.1 g/cm3

[ Boiling Point ]:
501.3±50.0 °C at 760 mmHg

[ Molecular Formula ]:
C18H22BrNO4

[ Molecular Weight ]:
396.276

[ Flash Point ]:
257.0±30.1 °C

[ Exact Mass ]:
395.073212

[ PSA ]:
55.84000

[ LogP ]:
4.60

[ Vapour Pressure ]:
0.0±1.3 mmHg at 25°C

[ Index of Refraction ]:
1.596

Safety Information

[ Hazard Codes ]:
Xi

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 1-(4-Bromo-2-hydroxyphenyl)ethanone
  • N-(tert-Butoxycarbonyl)-4-piperidone
  • 5'-Bromo-2'-hydroxyacetophenone

DownStream

  • 6-Bromospiro[chroman-2,4'-piperidin]-4-one hydrochloride

Customs

[ HS Code ]: 2934999090

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%