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4,4,5,5-tetramethyl-2-thiophen-3-yl-1,3,2-dioxaborolane

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Origem: China

Cas No: 214360-70-0

Especificação: 99%Min

Quantidade de ordem min: 1 /kg

Capacidade de fornecimento: 50 mt/month

Tempo de espera: 7 dias para OEM, 3 dias para produtos prontos

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CAS No.: 214360-70-0 Formula: C10H15BO2S Molecular Weight: 210.10100

Basic Info

Chemical Name	4,4,5,5-tetramethyl-2-thiophen-3-yl-1,3,2-dioxaborolane
Synonyms	4,4,5,5-Tetramethyl-2-(3-thienyl)-1,3,2-dioxaborolane; 2-(Thiophene-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene; 3-Thiopheneboronic acid pinacol ester; thiophene-3-boronic acid pinacol ester; 4,4,5,5-tetramethyl-(thiophen-2-yl)-1,3,2-dioxaborolane; 4,4,5,5-tetramethyl-2-(thiophen-3-yl)-1,3,2-dioxaborolane; 4,4,5,5-Tetramethyl-2-(thien-3-yl)-1,3,2-dioxaborolane; Thiophene-3-boronic acid,pinacol ester;
CAS No.	214360-70-0
Molecular Formula	C10H15BO2S
Molecular Weight	210.10100
PSA	46.70000
LogP	2.04730

Properties

Density	1.07g/cm3
Boiling Point	286.5ºC at 760mmHg
Flash Point	127.1ºC
Refractive Index	1.501
Vapor Pressure	0.00452mmHg at 25°C

Safety Info

Hazard Class	6.1(b)
Safety Statements	S25; S45
HS Code	2934999090
Packing Group	III
RIDADR	1544
Risk Statements	R26/28
Hazard Codes	T+

Synthesis Route

3-Chlorothiophene+Bis(pinacolato)diboron→4,4,5,5-tetramethyl-2-thiophen-3-yl-1,3,2-dioxaborolane
3-Bromothiophene+4,4,5,5-tetramethyl-1,3,2λ<sup>2</sup>-dioxaborolane→4,4,5,5-tetramethyl-2-thiophen-3-yl-1,3,2-dioxaborolane
3-Thiopheneboronic acid+2,3-dimethylbutane-2,3-diol→4,4,5,5-tetramethyl-2-thiophen-3-yl-1,3,2-dioxaborolane

Precursor

3-Bromothiophene
4,4,5,5-tetramethyl-1,3,2λ<sup>2</sup>-dioxaborolane
3-Chlorothiophene
3-Thiopheneboronic acid

Downstream Product

3-(3-Thienyl)quinoline
2-(2,5-Dibromothiophen-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

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