Home > Boronic Acid Derivatives> 4,4,5,5-tetramethyl-2-[5-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl]thiophen-2-yl]-1,3,2-dioxaborolane

4,4,5,5-tetramethyl-2-[5-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl]thiophen-2-yl]-1,3,2-dioxaborolane

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Origin: China

Cas No: 239075-02-6

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 239075-02-6 Formula: C20H28B2O4S2 Molecular Weight: 418.18600

Basic Info

Chemical Name	4,4,5,5-tetramethyl-2-[5-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl]thiophen-2-yl]-1,3,2-dioxaborolane
Synonyms	2,2'-[2,2']-bithiophenyl-5,5'-ylbis(4,4,5,5-tetramethyl)[1,3,2]dioxaborolane; 5,5'-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene; 5,5'-di(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene; 2,2'-Bithiophene-5,5'-diboronic Acid Bis(pinacol) Ester; 2,5'-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)bithiophene; 2,2'-BIS(DICYCLOHEXYLPHOSPHINO)-1,1'-BINAPHTHYL; 2,2'-Bithiophene-5,5'-diboronic acid pinacol ester; 2,5-bis(4,4,5,5-tetramethyl[1,3,2]dioxaborolan-2-yl)-2,2-bithiophene; 2,2'-bithiophene-5,5'-diboronic acid bis(pinacolyl) ester;
CAS No.	239075-02-6
Molecular Formula	C20H28B2O4S2
Molecular Weight	418.18600
PSA	93.40000
LogP	4.07500

Properties

Density	1.17g/cm3
Boiling Point	530.458ºC at 760 mmHg
Melting Point	208-212ºC
Flash Point	274.612ºC
Refractive Index	1.546
Vapor Pressure	0mmHg at 25°C

Safety Info

HS Code	2934999090

Synthesis Route

2,3-dimethylbutane-2,3-diol+2,2'-bithiophene→2,2'-Bithiophene-5-boronic Acid Pinacol Ester+4,4,5,5-tetramethyl-2-[5-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl]thiophen-2-yl]-1,3,2-dioxaborolane
2,3-dimethylbutane-2,3-diol+2,2'-bithiophene→4,4,5,5-tetramethyl-2-[5-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl]thiophen-2-yl]-1,3,2-dioxaborolane
2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane+2,2'-bithiophene→4,4,5,5-tetramethyl-2-[5-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl]thiophen-2-yl]-1,3,2-dioxaborolane

Precursor

5,5′-bis(dichloroboryl)-2,2′-bithiophene
2,3-dimethylbutane-2,3-diol
Boron trichloride
2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

Downstream Product

2-thiophen-2-yl-5-(5-thiophen-2-ylthiophen-2-yl)thiophene

Hot tags: 4,4,5,5-tetramethyl-2-[5-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl]thiophen-2-yl]-1,3,2-dioxaborolane, China, manufacturers, suppliers, factory, wholesale, low price, high quality