(E)-4,4,5,5-TETRAMETHYL-2-(2-(THIOPHEN-3-YL)VINYL)-1,3,2-DIOXABOROLANE

Modify Date: 2024-01-21 14:59:43

(E)-4,4,5,5-TETRAMETHYL-2-(2-(THIOPHEN-3-YL)VINYL)-1,3,2-DIOXABOROLANE Structure
(E)-4,4,5,5-TETRAMETHYL-2-(2-(THIOPHEN-3-YL)VINYL)-1,3,2-DIOXABOROLANE structure
Common Name (E)-4,4,5,5-TETRAMETHYL-2-(2-(THIOPHEN-3-YL)VINYL)-1,3,2-DIOXABOROLANE
CAS Number 736987-75-0 Molecular Weight 236.13800
Density 1.073 g/mL at 25ºC Boiling Point 106-108ºC/0.2 mmHg
Molecular Formula C12H17BO2S Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name 4,4,5,5-tetramethyl-2-[(E)-2-thiophen-3-ylethenyl]-1,3,2-dioxaborolane
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.073 g/mL at 25ºC
Boiling Point 106-108ºC/0.2 mmHg
Molecular Formula C12H17BO2S
Molecular Weight 236.13800
Exact Mass 236.10400
PSA 46.70000
LogP 3.39270
Index of Refraction n20/D 1.5376

 Safety Information

HS Code 2934999090

 Synthetic Route

~78%

(E)-4,4,5,5-TETRAMETHYL-2-(2-(THIOPHEN-3-YL)VINYL)-1,3,2-DIOXABOROLANE Structure

(E)-4,4,5,5-TET...

CAS#:736987-75-0

Literature: Zhao, Jie; Niu, Zhiqiang; Fu, Hua; Li, Yadong Chemical Communications, 2014 , vol. 50, # 16 p. 2058 - 2060

~99%

(E)-4,4,5,5-TETRAMETHYL-2-(2-(THIOPHEN-3-YL)VINYL)-1,3,2-DIOXABOROLANE Structure

(E)-4,4,5,5-TET...

CAS#:736987-75-0

Literature: Haberberger, Michael; Enthaler, Stephan Chemistry - An Asian Journal, 2013 , vol. 8, # 1 p. 50 - 54

 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

4,4,5,5-tetramethyl-2-[(E)-2-thiophen-3-ylvinyl]-1,3,2-dioxaborolane
(E)-4,4,5,5-tetramethyl-2-(2-(thiophen-3-yl)vinyl)-1,3,2-dioxaborolane
4,4,5,5-Tetramethyl-2-[(1E)-2-(3-thienyl)ethenyl]-1,3,2-dioxaborolane
E-2-(Thiophen-3-yl)vinylboronic acid pinacol ester
trans-2-(Thiophen-3-yl)vinylboronic acid pinacol ester
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