3,6-Dihydro-2H-pyran-4-boronic acid pinacol ester

Modify Date: 2025-08-24 19:13:37

3,6-Dihydro-2H-pyran-4-boronic acid pinacol ester Structure
3,6-Dihydro-2H-pyran-4-boronic acid pinacol ester structure
Common Name 3,6-Dihydro-2H-pyran-4-boronic acid pinacol ester
CAS Number 287944-16-5 Molecular Weight 210.078
Density 1.0±0.1 g/cm3 Boiling Point 238.6±50.0 °C at 760 mmHg
Molecular Formula C11H19BO3 Melting Point 63-67℃
MSDS N/A Flash Point 98.1±30.1 °C

 Names

Name 2-(3,6-dihydro-2H-pyran-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 238.6±50.0 °C at 760 mmHg
Melting Point 63-67℃
Molecular Formula C11H19BO3
Molecular Weight 210.078
Flash Point 98.1±30.1 °C
Exact Mass 210.142731
PSA 27.69000
LogP 1.96450
Appearance of Characters Solid | White to off-white
Vapour Pressure 0.1±0.5 mmHg at 25°C
Index of Refraction 1.464
Storage condition 2-8°C
Water Solubility Slightly soluble in water.

 Safety Information

Hazard Codes Xn
Risk Phrases 22
Safety Phrases 20-35
HS Code 2934999090

 Synthetic Route

~81%

3,6-Dihydro-2H-pyran-4-boronic acid pinacol ester Structure

3,6-Dihydro-2H-...

CAS#:287944-16-5

Literature: WO2008/153858 A1, ; Page/Page column 307 ; WO 2008/153858 A1

~96%

3,6-Dihydro-2H-pyran-4-boronic acid pinacol ester Structure

3,6-Dihydro-2H-...

CAS#:287944-16-5

Literature: WO2011/50016 A1, ; Page/Page column 108 ; WO 2011/050016 A1

~%

3,6-Dihydro-2H-pyran-4-boronic acid pinacol ester Structure

3,6-Dihydro-2H-...

CAS#:287944-16-5

Literature: Journal of the American Chemical Society, , vol. 131, # 28 p. 9612 - 9613

~%

3,6-Dihydro-2H-pyran-4-boronic acid pinacol ester Structure

3,6-Dihydro-2H-...

CAS#:287944-16-5

Literature: Journal of the American Chemical Society, , vol. 131, # 28 p. 9612 - 9613

~%

3,6-Dihydro-2H-pyran-4-boronic acid pinacol ester Structure

3,6-Dihydro-2H-...

CAS#:287944-16-5

Literature: Journal of the American Chemical Society, , vol. 131, # 28 p. 9612 - 9613

~%

3,6-Dihydro-2H-pyran-4-boronic acid pinacol ester Structure

3,6-Dihydro-2H-...

CAS#:287944-16-5

Literature: Journal of the American Chemical Society, , vol. 131, # 28 p. 9612 - 9613

~%

3,6-Dihydro-2H-pyran-4-boronic acid pinacol ester Structure

3,6-Dihydro-2H-...

CAS#:287944-16-5

Literature: WO2011/50016 A1, ; WO 2011/050016 A1

 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%

 Synonyms

4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,6-dihydro-2H-pyrane
2H-Pyran, 3,6-dihydro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-
2-(3,6-Dihydro-2H-pyran-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-3,6-dihydro-2H-pyran
2H-PYRAN,3,6-DIHYDRO-4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)
2-(3,6-dihyro-2H-pyran-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
3,6-Dihydro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-pyran
3,6-dihydro-2H-pyran-4-ylboronic acid pinacol ester
3,6-Dihydro-2H-pyran-4-boronic acid pinacol ester
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