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4-BIPHENYLBORONIC ACID, PINACOL ESTER

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Origin: China

Cas No: 144432-80-4

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.: 144432-80-4 Formula: C18H21BO2 Molecular Weight: 280.16900

Basic Info

Chemical Name	4-BIPHENYLBORONIC ACID, PINACOL ESTER
Synonyms	2-([1,1'-Biphenyl]-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)biphenyl; 4-Biphenylboronic Acid Pinacol Ester; 4,4,5,5-tetramethyl-2-(4-phenylphenyl)-1,3,2-dioxaborolane; 2-(4-Biphenylyl)-4,4,5,5-tetraMethyl-1,3,2-dioxaborolane;
CAS No.	144432-80-4
Molecular Formula	C18H21BO2
Molecular Weight	280.16900
PSA	18.46000
LogP	3.65280

Properties

Density	1.05g/cm3
Boiling Point	396ºC at 760mmHg
Melting Point	112ºC
Flash Point	193.3ºC
Refractive Index	1.549
Vapor Pressure	0mmHg at 25°C

Safety Info

HS Code	2934999090
Hazard Codes	Xi

Synthesis Route

[2-[dimethyl(phenyl)silyl]phenyl]methanol+2-(4-Bromophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane→4-BIPHENYLBORONIC ACID, PINACOL ESTER
4-Bromobiphenyl+Bis(pinacolato)diboron→4-BIPHENYLBORONIC ACID, PINACOL ESTER
4-Iodobiphenyl+4,4,5,5-tetramethyl-1,3,2λ<sup>2</sup>-dioxaborolane→4-BIPHENYLBORONIC ACID, PINACOL ESTER

Precursor

4-Iodobiphenyl
[2-[dimethyl(phenyl)silyl]phenyl]methanol
Bis(pinacolato)diboron
2-(4-Bromophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

Downstream Product

4-Fluoro-1,1'-biphenyl
4-Methylbiphenyl
4-phenylbenzonitrile
1-azido-4-phenylbenzene

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