Chemical intermediate

5122-95-2

  • Product Name：3-Biphenylboronic acid
  • Molecular Formula：C12H11BO2
  • Specifications：99%
  • Molecular Weight：198.029
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Product Details;

CasNo： 5122-95-2

Molecular Formula： C12H11BO2

Appearance： yellow crystal powder

Factory Sells Best Quality 3-Biphenylboronic acid 5122-95-2 with ISO standards

  • Molecular Formula:C12H11BO2
  • Molecular Weight:198.029
  • Appearance/Colour:yellow crystal powder 
  • Vapor Pressure:1.72E-07mmHg at 25°C 
  • Melting Point:193-198 °C(lit.) 
  • Refractive Index:1.61 
  • Boiling Point:411 °C at 760 mmHg 
  • PKA:8.30±0.10(Predicted) 
  • Flash Point:202.3 °C 
  • PSA：40.46000 
  • Density:1.18 g/cm3 
  • LogP:1.03340 

Biphenyl-3-boronic acid(Cas 5122-95-2) Usage

InChI:InChI=1/C12H11BO2/c14-13(15)12-8-4-7-11(9-12)10-5-2-1-3-6-10/h1-9,14-15H

5122-95-2 Relevant articles

COMPOUND FOR ORGANIC ELECTRONIC ELEMENT, ORGANIC ELECTRONIC ELEMENT USING THE SAME, AND AN ELECTRONIC DEVICE THEREOF

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The present invention provides a novel c...

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The present invention relates to a novel...

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ABSTRACT An object is to provide a carba...

Multiple C-H activations to construct biologically active molecules in a process completely free of organohalogen and organometallic components

Li, Bi-Jie,Tian, Shi-Liang,Fang, Zhao,Shi, Zhang-Jie

, p. 1115 - 1118 (2008/09/21)

(Chemical Equation Presented) Step by st...

5122-95-2 Process route

3-bromobiphenyl
2113-57-7

3-bromobiphenyl

3-Biphenylboronic acid
5122-95-2

3-Biphenylboronic acid

Conditions
Conditions Yield
3-bromobiphenyl; With n-butyllithium; In tetrahydrofuran; hexane; at -80 ℃; for 1h; Inert atmosphere;
With Trimethyl borate; In tetrahydrofuran; hexane; at -80 - 20 ℃; for 4h;
With hydrogenchloride; water; In tetrahydrofuran; hexane; for 2h;
55%
Multi-step reaction with 2 steps
1.1: n-BuLi / -78 °C
1.2: -78 - 20 °C
2.1: aq. HCl
With hydrogenchloride; n-butyllithium;
3-bromobiphenyl; With magnesium; In tetrahydrofuran;
With Trimethyl borate;
With hydrogenchloride; Further stages.;
Trimethyl borate
121-43-7,63156-11-6

Trimethyl borate

3-bromobiphenyl
2113-57-7

3-bromobiphenyl

3-Biphenylboronic acid
5122-95-2

3-Biphenylboronic acid

Conditions
Conditions Yield
3-bromobiphenyl; With n-butyllithium; In tetrahydrofuran; hexane; at -78 ℃; for 2h;
Trimethyl borate; In tetrahydrofuran; at -78 - 20 ℃;
With hydrogenchloride; In tetrahydrofuran; at 20 ℃; for 2h; Further stages.;
75%
With hydrogenchloride; n-butyllithium; In tetrahydrofuran; soln. of n-BuLi in hexanes added dropwise to soln. of biphenyl compd. at-78°C under Ar, kept at this temp. for 2 h, soln. of borate adde d over 30 min, allowed to warm to room temp. overnight, 10% aq. HCl added, stirred for 2 h at room temp.; extd. into Et2O, washed with concd. soln. of Na2CO3 then with H2O, evapd., recrystd. twice from H2O/EtOH (95/5);
75%
3-bromobiphenyl; With n-butyllithium; In tetrahydrofuran; hexane; at -78 ℃; for 1h; Inert atmosphere;
Trimethyl borate; In tetrahydrofuran; hexane; for 24h;
65%
With hydrogenchloride; n-butyllithium; In tetrahydrofuran; hexane; BuLi soln. (hexane) addn. to biphenylbromide soln. (THF), mixt. stirring1 h, mixt. addn. to B-compd. soln. (THF) via canula (N2) at -78° C., stirring 1 h, gradual warming to room temp., aq. HCl addn., stirringat room temp. 15 h, solvent removal; under reduced pressure, Et2O addn., org. layer sepn., drying (MgSO4), soln. concn.. oil triturating with hexane, solid repptn. from MeOH/H2O;
43%
With hydrogenchloride; tert.-butyl lithium; In water; pentane;

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