1-Ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

Modify Date: 2024-01-14 14:34:09

1-Ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole Structure
1-Ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole structure
Common Name 1-Ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
CAS Number 847818-70-6 Molecular Weight 222.092
Density 1.0±0.1 g/cm3 Boiling Point 322.6±15.0 °C at 760 mmHg
Molecular Formula C11H19BN2O2 Melting Point 44-49°C
MSDS N/A Flash Point 148.9±20.4 °C

 Names

Name 1-Ethyl-1H-pyrazole-4-boronic acid pinacol ester
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 322.6±15.0 °C at 760 mmHg
Melting Point 44-49°C
Molecular Formula C11H19BN2O2
Molecular Weight 222.092
Flash Point 148.9±20.4 °C
Exact Mass 222.153961
PSA 36.28000
LogP 1.20220
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.504

 Safety Information

Hazard Codes Xi
HS Code 2934999090

 Synthetic Route

~75%

1-Ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole Structure

1-Ethyl-4-(4,4,...

CAS#:847818-70-6

Literature: EP1798229 A1, ; Page/Page column 130 ;

~88%

1-Ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole Structure

1-Ethyl-4-(4,4,...

CAS#:847818-70-6

Literature: WO2013/53983 A1, ; Page/Page column 36 ;

~97%

1-Ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole Structure

1-Ethyl-4-(4,4,...

CAS#:847818-70-6

Literature: WO2008/51808 A2, ; Page/Page column 117-118 ; WO 2008/051808 A2

~%

1-Ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole Structure

1-Ethyl-4-(4,4,...

CAS#:847818-70-6

Literature: WO2011/79804 A1, ; Page/Page column 41 ; WO 2011/079804 A1

~%

1-Ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole Structure

1-Ethyl-4-(4,4,...

CAS#:847818-70-6

Literature: Journal of Heterocyclic Chemistry, , vol. 41, # 6 p. 931 - 939

 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

1H-Pyrazole, 1-ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-
1-ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole
1-Ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
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