1-(Tetrahydro-2H-pyran-2-yl)-1H-pyrazole-5-boronic acid pinacol ester

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Names

[ CAS No. ]:
903550-26-5

[ Name ]:
1-(Tetrahydro-2H-pyran-2-yl)-1H-pyrazole-5-boronic acid pinacol ester

[Synonym ]:
T6OTJ B- AT5NNJ E- BT5OBOTJ D1 D1 E1 E1
1-(oxan-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole
1-(Tetrahydro-2H-pyran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
1H-Pyrazole, 1-(tetrahydro-2H-pyran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
413.8±35.0 °C at 760 mmHg

[ Melting Point ]:
76 °C

[ Molecular Formula ]:
C14H23BN2O3

[ Molecular Weight ]:
278.16

[ Flash Point ]:
204.1±25.9 °C

[ Exact Mass ]:
278.180176

[ PSA ]:
45.51000

[ LogP ]:
1.88140

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

[ Index of Refraction ]:
1.545

MSDS

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Safety Information

[ Hazard Codes ]:
Xi

[ HS Code ]:
2934999090

Synthetic Route

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Precursor & DownStream

Precursor

  • Pinacol
  • 1-(Tetrahydro-2H-pyran-2-yl)-1H-pyrazole
  • Triisopropylborate
  • Diisopropyl 1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazol-5-ylboronate
  • 3,4-Dihydro-2H-pyran

DownStream

  • 1-(Tetrahydro-2H-pyran-2-yl)-1H-pyrazole
  • 2,5-difluoro-N-{2-fluoro-3-[2-(tetrahydropyran-2-yl)-2H-pyrazol-3-yl]phenyl}-N-methoxymethylbenzenesulfonamide

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%