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

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Origin: China

Cas No: 165904-22-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

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

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CAS No.: 165904-22-3 Formula: C14H21BO2 Molecular Weight: 232.12600

Basic Info

Chemical Name	4,4,5,5-tetramethyl-2-(2-phenylethyl)-1,3,2-dioxaborolane
Synonyms	4,4,5,5-tetramethyl-2-phenethyl-[1,3,2]dioxaborolane; 2-(2-phenylethyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 2-Phenylethylboronic acid pinacol ester; PhCH2CH2Bpin; 2-Phenylethyl-1-boronic acid pinacol ester; 4,4,5,5-tetramethyl-2-[2-phenylethyl]-1,3,2-dioxaborolane;
CAS No.	165904-22-3
Molecular Formula	C14H21BO2
Molecular Weight	232.12600
PSA	18.46000
LogP	3.32130

Properties

Density	0.97g/cm3
Boiling Point	290.3ºC at 760 mmHg
Flash Point	129.4ºC
Refractive Index	1.486
Vapor Pressure	0.00363mmHg at 25°C

Safety Info

Safety Statements	S24/25
HS Code	2934999090

Synthesis Route

phenylene-ethylene+4,4,5,5-tetramethyl-1,3,2λ2-dioxaborolane→ethylbenzene+trans-beta-Styrylboronic acid pinacol ester
phenylene-ethylene+4,4,5,5-tetramethyl-1,3,2λ2-dioxaborolane→trans-beta-Styrylboronic acid pinacol ester+4,4,5,5-tetramethyl-2-(2-phenylethyl)-1,3,2-dioxaborolane
phenylene-ethylene+4,4,5,5-tetramethyl-1,3,2λ2-dioxaborolane→trans-beta-Styrylboronic acid pinacol ester+4,4,5,5-Tetramethyl-2-(1-phenylethyl)-1,3,2-dioxaborolane

Precursor

phenylene-ethylene
(2-Chloroethyl)benzene
4,4,5,5-tetramethyl-1,3,2λ2-dioxaborolane
2-(1-chloro-2-phenylvinyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

Downstream Product

1,4-diphenyl-trans-2-butene
(Z)-1,4-diphenyl-2-butene
2-phenylethylamine
(S)-2-(1,4-diphenyl-2-butyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

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