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

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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%

Related Compounds

  • 2-Methoxy-5-(2-methylpropyl)benzene-1,3-diamine
  • 5-Tert-butyl-3-methanesulphonyl-2-methoxy-aniline
  • {2-(methyloxy)-3-[(E)-2-(methyloxy)ethenyl]phenyl}boronic acid
  • Ethyl 3-(4-{[2-ethyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]methyl}-1-piperidinyl)propanoate
  • 1-Benzyl-4-[2-ethyl-3-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-1,2,3,6-tetrahydro-pyridine
  • 4-[2-Ethyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]piperidine
  • 4-(2,2,3,3,4,4,5,5,5-Nonafluoropentyl)-1,3-dioxolan-2-one
  • 1-Methyl-7-pyridin-2-yl-1,2,3,4-tetrahydro-isoquinoline
  • 1-Methyl-7-pyrimidin-5-yl-1,2,3,4-tetrahydro-isoquinoline
  • 7-(2-Methoxy-pyridin-3-yl)-1-methyl-1,2,3,4-tetrahydro-isoquinoline