5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene

Modify Date: 2024-01-11 19:07:04

5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene Structure
5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene structure
 Common Name 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene
CAS Number 479719-88-5 Molecular Weight 292.225
Density 1.2±0.1 g/cm3 Boiling Point 406.1±35.0 °C at 760 mmHg
Molecular Formula C14H17BO2S2 Melting Point 35.5-38.0ºC
MSDS Chinese USA Flash Point 199.4±25.9 °C

 Names

Name 2,2'-Bithiophene-5-boronic Acid Pinacol Ester
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 406.1±35.0 °C at 760 mmHg
Melting Point 35.5-38.0ºC
Molecular Formula C14H17BO2S2
Molecular Weight 292.225
Flash Point 199.4±25.9 °C
Exact Mass 292.076294
PSA 74.94000
LogP 3.77580
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.571

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Safety Phrases 22-24/25
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2934999090

 Synthetic Route

Isopropoxyboronic acid pinacol ester structure

Isopropoxyboron...

CAS#:61676-62-8

2,2'-Bithiophene structure

2,2'-Bithiophene

CAS#:492-97-7

~91%

5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene Structure

5-(4,4,5,5-Tetr...

CAS#:479719-88-5

Literature: Haid, Stefan; Marszalek, Magdalena; Mishra, Amaresh; Wielopolski, Mateusz; Teuscher, Joel; Moser, Jacques-E.; Humphry-Baker, Robin; Zakeeruddin, Shaik M.; Graetzel, Michael; Baeuerle, Peter Advanced Functional Materials, 2012 , vol. 22, # 6 p. 1291 - 1302
Pinacol structure

Pinacol

CAS#:76-09-5

2,2'-Bithiophene structure

2,2'-Bithiophene

CAS#:492-97-7

~86%

5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene Structure

5-(4,4,5,5-Tetr...

CAS#:479719-88-5

Literature: THE UNIVERSITY OF MANCHESTER; INGLESON, Michael James Patent: WO2012/25760 A1, 2012 ; Location in patent: Page/Page column 47 ;
Isopropoxyboronic acid pinacol ester structure

Isopropoxyboron...

CAS#:61676-62-8

5-Bromo-2,2'-bithiophene structure

5-Bromo-2,2'-bi...

CAS#:3480-11-3

~51%

5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene Structure

5-(4,4,5,5-Tetr...

CAS#:479719-88-5

Literature: GYEONGSANG NATIONAL UNIVERSITY INDUSTRIAL AND ACADEMIC COLLABORATION FOUNDATION Patent: WO2008/120839 A1, 2008 ; Location in patent: Page/Page column 42-43 ;
2-Iodothiophene structure

2-Iodothiophene

CAS#:3437-95-4

N/A structure

N/A

CAS#:1408285-51-7

~75%

5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene Structure

5-(4,4,5,5-Tetr...

CAS#:479719-88-5

Literature: Heinrich, Annika C. J.; Thiedemann, Birk; Gates, Paul J.; Staubitz, Anne Organic Letters, 2013 , vol. 15, # 18 p. 4666 - 4669
Pinacol structure

Pinacol

CAS#:76-09-5

2,2'-Bithiophene structure

2,2'-Bithiophene

CAS#:492-97-7

~44%

5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene Structure

5-(4,4,5,5-Tetr...

CAS#:479719-88-5

5,5'-BIS(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-2,2'-BITHIOPHENE structure

5,5'-BIS(4,4,5,...

CAS#:239075-02-6

Literature: Melucci, Manuela; Barbarella, Giovanna; Sotgiu, Giovanna Journal of Organic Chemistry, 2002 , vol. 67, # 25 p. 8877 - 8884
Pinacol structure

Pinacol

CAS#:76-09-5

2,2'-Bithiophene structure

2,2'-Bithiophene

CAS#:492-97-7

Boron trichloride structure

Boron trichloride

CAS#:10294-34-5

~87%

5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene Structure

5-(4,4,5,5-Tetr...

CAS#:479719-88-5

Literature: Del Grosso, Alessandro; Helm, Matthew D.; Solomon, Sophia A.; Caras-Quintero, Dolores; Ingleson, Michael J. Chemical Communications, 2011 , vol. 47, # 46 p. 12459 - 12461
Isopropoxyboronic acid pinacol ester structure

Isopropoxyboron...

CAS#:61676-62-8

~%

5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene Structure

5-(4,4,5,5-Tetr...

CAS#:479719-88-5

Literature: Heinrich, Annika C. J.; Thiedemann, Birk; Gates, Paul J.; Staubitz, Anne Organic Letters, 2013 , vol. 15, # 18 p. 4666 - 4669
Pinacol structure

Pinacol

CAS#:76-09-5

~%

5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene Structure

5-(4,4,5,5-Tetr...

CAS#:479719-88-5

Literature: Heinrich, Annika C. J.; Thiedemann, Birk; Gates, Paul J.; Staubitz, Anne Organic Letters, 2013 , vol. 15, # 18 p. 4666 - 4669
2,2'-Bithiophene structure

2,2'-Bithiophene

CAS#:492-97-7

~%

5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene Structure

5-(4,4,5,5-Tetr...

CAS#:479719-88-5

Literature: Bagutski, Viktor; Del Grosso, Alessandro; Carrillo, Josue Ayuso; Cade, Ian A.; Helm, Matthew D.; Lawson, James R.; Singleton, Paul J.; Solomon, Sophia A.; Marcelli, Tommaso; Ingleson, Michael J. Journal of the American Chemical Society, 2013 , vol. 135, # 1 p. 474 - 487

 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

2-(2,2'-Bithiophen-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
2-([2,2'-Bithiophen]-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
5-(4,4,5,5-TetraMethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene
MFCD04039974
1,3,2-Dioxaborolane, 2-[2,2'-bithiophen]-5-yl-4,4,5,5-tetramethyl-
4,4,5,5-tetramethyl-2-(5-thiophen-2-ylthiophen-2-yl)-1,3,2-dioxaborolane
5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2′-bithiophene
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Chemsrc provides CAS#:479719-88-5 MSDS, density, melting point, boiling point, structure, etc. Its name is 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene>> amp version: 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene

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