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4,4,5,5-tetramethyl-2-(1-phenylethenyl)-1,3,2-dioxaborolane

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Origin: China

Cas No: 143825-84-7

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

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

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CAS No.: 143825-84-7 Formula: C14H19BO2 Molecular Weight: 230.11000

Basic Info

Chemical Name	4,4,5,5-tetramethyl-2-(1-phenylethenyl)-1,3,2-dioxaborolane
Synonyms	4,4,5,5-Tetramethyl-2-(1-phenylvinyl)-1,3,2-dioxaborolane; 1-Phenylvinylboronic acid pinacol ester;
CAS No.	143825-84-7
Molecular Formula	C14H19BO2
Molecular Weight	230.11000
PSA	18.46000
LogP	3.33120

Properties

Density	0.98g/cm3
Boiling Point	277.3ºC at 760mmHg
Melting Point	42-49ºC
Flash Point	121.5ºC
Refractive Index	1.497
Vapor Pressure	0.008mmHg at 25°C

Safety Info

HS Code	2934999090
Hazard Codes	Xi

Synthesis Route

Phenylacetylene+Bis(pinacolato)diboron→trans-beta-Styrylboronic acid pinacol ester+4,4,5,5-tetramethyl-2-(1-phenylethenyl)-1,3,2-dioxaborolane
Phenylacetylene+4,4,5,5-tetramethyl-1,3,2λ<sup>2</sup>-dioxaborolane→trans-beta-Styrylboronic acid pinacol ester+4,4,5,5-tetramethyl-2-(1-phenylethenyl)-1,3,2-dioxaborolane
Phenylacetylene→trans-beta-Styrylboronic acid pinacol ester+4,4,5,5-tetramethyl-2-(1-phenylethenyl)-1,3,2-dioxaborolane

Precursor

1-phenylethenyl trifluoromethanesulfonate
alpha-Bromostyrene
Bis(pinacolato)diboron
Phenylacetylene

Downstream Product

4,4,5,5-Tetramethyl-2-(1-phenylethyl)-1,3,2-dioxaborolane

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