4-Methylthiophene-2-boronic acid, pinacol ester

Modify Date: 2024-01-08 19:13:01

4-Methylthiophene-2-boronic acid, pinacol ester Structure
4-Methylthiophene-2-boronic acid, pinacol ester structure
Common Name 4-Methylthiophene-2-boronic acid, pinacol ester
CAS Number 635305-48-5 Molecular Weight 224.12700
Density N/A Boiling Point 93 °C/0.8 mmHg
Molecular Formula C11H17BO2S Melting Point 26-31ºC
MSDS N/A Flash Point 110ºC

 Names

Name 4,4,5,5-Tetramethyl-2-(4-methylthiophen-2-yl)-1,3,2-dioxaborolane
Synonym More Synonyms

 Chemical & Physical Properties

Boiling Point 93 °C/0.8 mmHg
Melting Point 26-31ºC
Molecular Formula C11H17BO2S
Molecular Weight 224.12700
Flash Point 110ºC
Exact Mass 224.10400
PSA 46.70000
LogP 2.35570

 Safety Information

HS Code 2934999090

 Synthetic Route

~54%

4-Methylthiophene-2-boronic acid, pinacol ester Structure

4-Methylthiophe...

CAS#:635305-48-5

Literature: NOVO NORDISK A/S Patent: WO2003/105860 A1, 2003 ; Location in patent: Page 35 ; WO 03/105860 A1

~91%

4-Methylthiophene-2-boronic acid, pinacol ester Structure

4-Methylthiophe...

CAS#:635305-48-5

Literature: Melucci; Barbarella; Zambianchi; Di Pietro; Bongini Journal of Organic Chemistry, 2004 , vol. 69, # 14 p. 4821 - 4828

~%

4-Methylthiophene-2-boronic acid, pinacol ester Structure

4-Methylthiophe...

CAS#:635305-48-5

Literature: Tetrahedron, , vol. 64, # 26 p. 6103 - 6114

 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-Methylthiophene-2-boronic acid, pinacol ester