Home > All categories> Electronic Chemicals> Synthetic Tools and Reagents> 4,4,5,5-tetramethyl-2-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl]-1,3,2-dioxaborolane

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

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Origin: China

Cas No: 175361-81-6

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.: 175361-81-6 Formula: C16H26B2O4S Molecular Weight: 336.06200

Basic Info

Chemical Name	4,4,5,5-tetramethyl-2-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl]-1,3,2-dioxaborolane
Synonyms	2,5-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)thiophene; Thiophene-2,5-diboronic acid bis(pinacol) ester; 2'-(2,5-thiophene)bis[4,4,5,5-tetramethyl-1,3,2-dioxaborolane]; thiophene-2,5-bispinacolboronate; 2,5-Bis-thiopheneboronic acid pinacol ester; 2,5-bis(4,4,5,5-tetramethyl[1,3,2]dioxaborolan-2-yl)thiophene; 2,2'-(2,5-thiophenediyl)bis[4,4,5,5-tetramethyl-1,3,2-dioxaborolane];
CAS No.	175361-81-6
Molecular Formula	C16H26B2O4S
Molecular Weight	336.06200
PSA	65.16000
LogP	2.34650

Safety Info

HS Code	2934999090

Synthesis Route

Thiophene(SIV)+Bis(pinacolato)diboron→4,4,5,5-tetramethyl-2-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl]-1,3,2-dioxaborolane
Thiophene(SIV)+2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane→4,4,5,5-tetramethyl-2-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl]-1,3,2-dioxaborolane
2,5-Dibromothiophene+2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane→4,4,5,5-tetramethyl-2-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl]-1,3,2-dioxaborolane

Precursor

2,5-Dibromothiophene
4,4,5,5-tetramethyl-1,3,2λ<sup>2</sup>-dioxaborolane
Thiophene(SIV)
2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

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