Product Name

  • Name

    3-Carboxyphenylboronic acid

  • EINECS -0
  • CAS No. 25487-66-5
  • Article Data18
  • CAS DataBase
  • Density 1.406 g/cm3
  • Solubility 2.5 g/100 mL in water
  • Melting Point 243-247 °C(lit.)
  • Formula C7H7BO4
  • Boiling Point 434.512 °C at 760 mmHg
  • Molecular Weight 165.941
  • Flash Point 216.585 °C
  • Transport Information
  • Appearance off-white crystalline powder
  • Safety 37/39-26-36
  • Risk Codes 36/37/38-20/21/22
  • Molecular Structure Molecular Structure of 25487-66-5 (3-Carboxyphenylboronic acid)
  • Hazard Symbols IrritantXi,HarmfulXn
  • Synonyms Benzoic acid, m-borono- (6CI,7CI,8CI);Benzoic acid, 3-borono- (9CI);(3-formyloxyphenyl)boronic acid;Benzeneboronic acid, m-carboxy-;m-Carboxyphenylboronic acid;3-16-00-01283 (Beilstein Handbook Reference);m-Carboxybenzeneboronic acid;3-Boronobenzoic acid;3-hydroxyphenylboronic acid;
  • PSA 77.76000
  • LogP -0.93540

Synthetic route

3-carboxyphenylboronic acid pinacol ester
269409-73-6

3-carboxyphenylboronic acid pinacol ester

dihydroxy-methyl-borane
13061-96-6

dihydroxy-methyl-borane

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

Conditions
ConditionsYield
With trifluoroacetic acid In dichloromethane at 20℃;99%
(3‐cyanophenyl)boronic acid
150255-96-2

(3‐cyanophenyl)boronic acid

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

Conditions
ConditionsYield
Stage #1: (3‐cyanophenyl)boronic acid With potassium hydroxide In ethylene glycol at 175℃; for 3h;
Stage #2: With hydrogenchloride In water; ethylene glycol pH=2 - 3;
89%
potassium permanganate
7722-64-7

potassium permanganate

m-tolylboronic acid
17933-03-8

m-tolylboronic acid

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

Conditions
ConditionsYield
With sodium hydroxide In water at 30 - 40℃; Temperature;61.2%
tetrahydroxydiboron
13675-18-8

tetrahydroxydiboron

meta-aminobenzoic acid
99-05-8

meta-aminobenzoic acid

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

Conditions
ConditionsYield
Stage #1: meta-aminobenzoic acid With hydrogenchloride; sodium nitrite In water at 0℃; for 0.25h;
Stage #2: tetrahydroxydiboron With sodium acetate In water at 20℃; for 0.333333h;
52.5%
Stage #1: meta-aminobenzoic acid With hydrogenchloride; sodium nitrite In water at 0℃; for 0.25h;
Stage #2: tetrahydroxydiboron With potassium carbonate In water at 20℃; for 0.333333h;
carbon dioxide
124-38-9

carbon dioxide

1,3-Diiodobenzene
626-00-6

1,3-Diiodobenzene

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

Conditions
ConditionsYield
Stage #1: 1,3-Diiodobenzene With n-butyllithium In diethyl ether; hexane at -70℃; Inert atmosphere;
Stage #2: With Triisopropyl borate In diethyl ether; hexane at -70℃; for 0.25h; Inert atmosphere;
Stage #3: carbon dioxide Further stages;
50%
tetrahydroxydiboron
13675-18-8

tetrahydroxydiboron

3-carboxybenzenediazonium tetrafluoroborate

3-carboxybenzenediazonium tetrafluoroborate

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 20℃; for 0.25h;39%
m-tolylboronic acid
17933-03-8

m-tolylboronic acid

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

Conditions
ConditionsYield
With alkaline aqueous potassium permanganate
With potassium permanganate In sodium hydroxide
With permanganate(VII) ion In sodium hydroxide oxidation in alkaline soln.;;
With permanganate In sodium hydroxide aq. NaOH; oxidation in alkaline soln.;;
3-chlorobenzoate
535-80-8

3-chlorobenzoate

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

Conditions
ConditionsYield
With tetrahydroxydiboron; (chloro(2-dicyclohexylphosphino-2′,4′,6′-triisopropyl-1,1′-biphenyl)[2-(2′-amino-1,1′-biphenyl)]palladium(II)); potassium acetate; XPhos In ethanol at 80℃; for 5h; Inert atmosphere;
meta-aminobenzoic acid
99-05-8

meta-aminobenzoic acid

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: ethanol; water / 0.03 h / 20 °C
1.2: 1.25 h / 0 - 20 °C
2.1: N,N-dimethyl-formamide / 0.25 h / 20 °C
View Scheme
carbon dioxide
124-38-9

carbon dioxide

tris(3-bromo phenyl)boroxine
98527-70-9

tris(3-bromo phenyl)boroxine

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

Conditions
ConditionsYield
Stage #1: tris(3-bromo phenyl)boroxine With iodine; magnesium In tetrahydrofuran at 40 - 70℃; Inert atmosphere;
Stage #2: carbon dioxide In tetrahydrofuran at -20℃;
110 g
5-bromo-2-furancarboxaldehyde
1899-24-7

5-bromo-2-furancarboxaldehyde

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

5-(3-carboxyphenyl)furane-2-carbaldehyde
304884-54-6

5-(3-carboxyphenyl)furane-2-carbaldehyde

Conditions
ConditionsYield
With potassium carbonate; tetrakis(triphenylphosphine) palladium(0) In ethanol; toluene at 90℃; for 7h; Suzuki-Miyaura coupling;100%
With C11H8Cl4N2O3Pd; potassium carbonate In methanol; water; N,N-dimethyl-formamide at 100℃; for 0.0833333h; Suzuki Coupling;98%
With ethylenediaminetetraacetic acid; tetrabutylammomium bromide; potassium carbonate; palladium dichloride at 50℃; for 0.166667h; Suzuki-Miyaura reaction;92%
3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

para-nitrophenyl bromide
586-78-7

para-nitrophenyl bromide

4'-nitrobiphenyl-3-carboxylic acid
729-01-1

4'-nitrobiphenyl-3-carboxylic acid

Conditions
ConditionsYield
With potassium carbonate; tetrakis(triphenylphosphine) palladium(0) In ethanol; water; toluene for 48h; Suzuki Coupling; Heating / reflux;100%
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In ethanol; water; toluene for 48h; Suzuki Coupling; Reflux; Inert atmosphere;96.1%
Stage #1: 3-Carboxyphenylboronic acid; para-nitrophenyl bromide With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In ethanol; water; toluene for 48h; Suzuki coupling; Inert atmosphere; Reflux;
Stage #2: With hydrogenchloride In water pH=3;
89%
3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

C41H89N17O6

C41H89N17O6

C69H109B4N17O18

C69H109B4N17O18

Conditions
ConditionsYield
With diisopropyl-carbodiimide In methanol at 0 - 20℃; for 24.5h;100%
With diisopropyl-carbodiimide In methanol at 0 - 20℃; for 24.5h;
3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

para-chlorobenzoic acid
74-11-3

para-chlorobenzoic acid

biphenyl-3,4′-dicarboxylic acid

biphenyl-3,4′-dicarboxylic acid

Conditions
ConditionsYield
With sodium 2'‐(dicyclohexylphosphaneyl)‐2,6‐diisopropyl‐[1,1'‐biphenyl]‐3‐sulfonate; palladium diacetate; potassium carbonate In water at 50℃; for 8h; Suzuki-Miyaura coupling;99%
1,1-dimethylethyl 1-[(5-bromo-2-methylphenyl)methyl]-3-[4-(1,1-dimethylethyl)phenyl]-1H-indole-2-carboxylate
1010413-06-5

1,1-dimethylethyl 1-[(5-bromo-2-methylphenyl)methyl]-3-[4-(1,1-dimethylethyl)phenyl]-1H-indole-2-carboxylate

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

3'-({2-{[(1,1-dimethylethyl)oxy]carbonyl}-3-[4-(1,1-dimethylethyl)phenyl]-1H-indol-1-yl}methyl)-4'-methyl-3-biphenylcarboxylic acid
1010413-07-6

3'-({2-{[(1,1-dimethylethyl)oxy]carbonyl}-3-[4-(1,1-dimethylethyl)phenyl]-1H-indol-1-yl}methyl)-4'-methyl-3-biphenylcarboxylic acid

Conditions
ConditionsYield
Stage #1: 1,1-dimethylethyl 1-[(5-bromo-2-methylphenyl)methyl]-3-[4-(1,1-dimethylethyl)phenyl]-1H-indole-2-carboxylate; 3-Carboxyphenylboronic acid With sodium hydrogencarbonate; palladium 10% on activated carbon In water; N,N-dimethyl-formamide at 90℃; for 36h;
Stage #2: With hydrogenchloride In water; N,N-dimethyl-formamide
99%
5-chloro-2-nitrotoluene
5367-28-2

5-chloro-2-nitrotoluene

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

3'-methyl-4'-nitrobiphenyl-3-carboxylic acid
1303573-22-9

3'-methyl-4'-nitrobiphenyl-3-carboxylic acid

Conditions
ConditionsYield
With palladium diacetate; sodium carbonate; triphenylphosphine In ethanol; water; toluene at 100℃; for 24h; Suzuki coupling; Inert atmosphere; Sealed vessel;99%
6-bromo-1-methyl-3-trityl-1H-imidazo[4,5-b]pyridin-2(3H)-one
1355152-77-0

6-bromo-1-methyl-3-trityl-1H-imidazo[4,5-b]pyridin-2(3H)-one

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

3-(1-methyl-2-oxo-3-trityl-2,3-dihydro-1H-imidazo[4,5-b]pyridin-6-yl)benzoic acid
1355152-95-2

3-(1-methyl-2-oxo-3-trityl-2,3-dihydro-1H-imidazo[4,5-b]pyridin-6-yl)benzoic acid

Conditions
ConditionsYield
With potassium phosphate; tris-(dibenzylideneacetone)dipalladium(0); tricyclohexylphosphine In 1,4-dioxane at 100℃; for 1h; Microwave irradiation;99%
3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

5-bromo-1-(4-methoxyphenyl)-3-(4-(trifluoromethyl)phenyl)-1H-pyrrolo[2,3-b]pyridine

5-bromo-1-(4-methoxyphenyl)-3-(4-(trifluoromethyl)phenyl)-1H-pyrrolo[2,3-b]pyridine

3-(1-(4-methoxyphenyl)-3-(4-(trifluoromethyl)phenyl)-1H-pyrrolo[2,3-b]pyridin-5-yl)benzoic acid

3-(1-(4-methoxyphenyl)-3-(4-(trifluoromethyl)phenyl)-1H-pyrrolo[2,3-b]pyridin-5-yl)benzoic acid

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); sodium hydrogencarbonate In water; acetonitrile at 100℃; Suzuki Coupling; Inert atmosphere;98%
methanol
67-56-1

methanol

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

[3-(methoxycarbonyl)phenyl]boronic acid
99769-19-4

[3-(methoxycarbonyl)phenyl]boronic acid

Conditions
ConditionsYield
With thionyl chloride at 55 - 65℃; Autoclave; Industrial scale;97.1%
With sulfuric acid at 80℃; for 20h; Temperature;
3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

dihydrogen peroxide
7722-84-1

dihydrogen peroxide

3-Carboxyphenol
99-06-9

3-Carboxyphenol

Conditions
ConditionsYield
With ammonium bicarbonate In water at 20℃; for 2h; Schlenk technique;97%
3-(2-(4-fluorophenyl)-3-(methylcarbamoyl)-5-(((trifluoromethyl)sulfonyl)oxy)benzofuran-6-yl)propyl benzoate

3-(2-(4-fluorophenyl)-3-(methylcarbamoyl)-5-(((trifluoromethyl)sulfonyl)oxy)benzofuran-6-yl)propyl benzoate

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

3-(6-(3-(benzoyloxy)propyl)-2-(4-fluorophenyl)-3-(methylcarbamoyl)benzofuran-5-yl)benzoic acid

3-(6-(3-(benzoyloxy)propyl)-2-(4-fluorophenyl)-3-(methylcarbamoyl)benzofuran-5-yl)benzoic acid

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); caesium carbonate In 1,4-dioxane; water at 90℃; for 4h;96%
3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

2,2-Dimethyl-1,3-propanediol
126-30-7

2,2-Dimethyl-1,3-propanediol

2-(3-carboxyphenyl)-5,5-dimethyl-1,3,2-dioxaborinane

2-(3-carboxyphenyl)-5,5-dimethyl-1,3,2-dioxaborinane

Conditions
ConditionsYield
In chloroform at 25℃; for 12h;96%
In diethyl ether at 20℃; Inert atmosphere; Molecular sieve;
2-bromo-4-chlorophenol
695-96-5

2-bromo-4-chlorophenol

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

5'-chloro-2'-hydroxybiphenyl-3-carboxylic acid
376592-57-3

5'-chloro-2'-hydroxybiphenyl-3-carboxylic acid

Conditions
ConditionsYield
With palladium diacetate; sodium carbonate In water at 50℃; for 4h; Inert atmosphere;95%
With palladium diacetate; sodium carbonate In water at 50℃; for 19h; Inert atmosphere;
3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

2-bromo-8-(trifluoromethoxy)-5,10-dihydro-11H-dibenzo[b,e][1,4]diazepin-11-one

2-bromo-8-(trifluoromethoxy)-5,10-dihydro-11H-dibenzo[b,e][1,4]diazepin-11-one

3-(11-oxo-8-(trifluoromethoxy)-10,11-dihydro-5H-dibenzo[b,e][1,4]diazepin-2-yl)benzoic acid

3-(11-oxo-8-(trifluoromethoxy)-10,11-dihydro-5H-dibenzo[b,e][1,4]diazepin-2-yl)benzoic acid

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In water; acetonitrile at 160℃; for 1h; Inert atmosphere; Microwave irradiation;95%
3,5-dibromopyridine
625-92-3

3,5-dibromopyridine

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

3,3’-(pyridine-3,5-diyl)dibenzoic acid
1429436-06-5

3,3’-(pyridine-3,5-diyl)dibenzoic acid

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In acetonitrile at 90℃; for 36h; Suzuki Coupling; Inert atmosphere;93%
p-bromobenzamide
698-67-9

p-bromobenzamide

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

3-(4'-aminocarbonylphenyl)benzoic acid

3-(4'-aminocarbonylphenyl)benzoic acid

Conditions
ConditionsYield
With tetrabutylammomium bromide; sodium carbonate In water at 100℃; for 4h; Suzuki Coupling;93%
2,3-dimethyl-2,3-butane diol
76-09-5

2,3-dimethyl-2,3-butane diol

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

3-carboxyphenylboronic acid pinacol ester
269409-73-6

3-carboxyphenylboronic acid pinacol ester

Conditions
ConditionsYield
In toluene for 12h; Reflux; Inert atmosphere;92%
In ethyl acetate for 4h;91%
With 1H-imidazole; iron(III) chloride In water; acetonitrile at 20℃; for 0.5h;21.5%
In ethyl acetate for 4h; Inert atmosphere;
3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

3-Carboxyphenol
99-06-9

3-Carboxyphenol

Conditions
ConditionsYield
With copper(II) ferrite; water; sodium hydroxide at 40℃; for 24h; Green chemistry;92%
With oxygen; triethylamine In water; acetonitrile at 25℃; for 8h; UV-irradiation;86%
With oxygen; N-ethyl-N,N-diisopropylamine; [5,6]fullerene-C70 In chloroform; toluene at 20℃; for 12h; Irradiation;66%
3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

1,3-bis(5-chloro-3-bromo-2-benzyloxyphenyl)urea

1,3-bis(5-chloro-3-bromo-2-benzyloxyphenyl)urea

1,3-bis(5-chloro-3-(m-carboxyphenyl)-2-benzyloxyphenyl)urea

1,3-bis(5-chloro-3-(m-carboxyphenyl)-2-benzyloxyphenyl)urea

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In 1,4-dioxane; water at 75 - 80℃; for 2h; Suzuki Coupling; Inert atmosphere;92%
2-bromo-6-nitro-phenol
13073-25-1

2-bromo-6-nitro-phenol

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

2'-hydroxy-3'-nitro-biphenyl-3-carboxylic acid
376591-95-6

2'-hydroxy-3'-nitro-biphenyl-3-carboxylic acid

Conditions
ConditionsYield
With palladium on activated charcoal; potassium carbonate In methanol; water for 6h; Inert atmosphere; Reflux;92%
3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

2-bromopyrimidine
4595-60-2

2-bromopyrimidine

3-(pyrimidin-2-yl)benzoic acid
579476-26-9

3-(pyrimidin-2-yl)benzoic acid

Conditions
ConditionsYield
With sodium carbonate; tetrakis(triphenylphosphine) palladium(0) In acetonitrile at 90℃; for 4h; Substitution; Suzuki reaction;91%
2-bromo-5-nitropyridine
4487-59-6

2-bromo-5-nitropyridine

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

3-(5-nitropyridin-2-yl)benzoic acid
864075-95-6

3-(5-nitropyridin-2-yl)benzoic acid

Conditions
ConditionsYield
With potassium carbonate; tetrakis(triphenylphosphine) palladium(0) In ethanol; water; toluene for 48h; Suzuki Coupling; Heating / reflux;91%
2-bromo-4-chlorophenol
695-96-5

2-bromo-4-chlorophenol

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

potassium 5'-chloro-2'-hydroxybiphenyl-3-carboxylate

potassium 5'-chloro-2'-hydroxybiphenyl-3-carboxylate

Conditions
ConditionsYield
Stage #1: 2-bromo-4-chlorophenol With potassium hydroxide In 1,2-dimethoxyethane; water Inert atmosphere;
Stage #2: 3-Carboxyphenylboronic acid With 5%-palladium/activated carbon; potassium carbonate In 1,2-dimethoxyethane; water at 18 - 40℃; Inert atmosphere;
90.7%
(6-chloro-2-methoxy-pyrimidin-4-yl)-[2-(4-methoxy-phenyl)-ethyl]-amine
885066-04-6

(6-chloro-2-methoxy-pyrimidin-4-yl)-[2-(4-methoxy-phenyl)-ethyl]-amine

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

3-{2-methoxy-6-[2-(4-methoxy-phenyl)-ethylamino]-pyrimidin-4-yl}-benzoic acid

3-{2-methoxy-6-[2-(4-methoxy-phenyl)-ethylamino]-pyrimidin-4-yl}-benzoic acid

Conditions
ConditionsYield
Stage #1: (6-chloro-2-methoxy-pyrimidin-4-yl)-[2-(4-methoxy-phenyl)-ethyl]-amine; 3-Carboxyphenylboronic acid With caesium carbonate In 1,2-dimethoxyethane; water for 0.0833333h;
Stage #2: tetrakis(triphenylphosphine) palladium(0) In 1,2-dimethoxyethane; water at 90℃; for 17h;
90.4%
With caesium carbonate; tetrakis(triphenylphosphine) palladium(0) In 1,2-dimethoxyethane; water at 90℃; for 17.0833h;90.4%
1-bromo-2-naphthylamine
20191-75-7

1-bromo-2-naphthylamine

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

3-(2-aminonaphthalen-1-yl)benzoic acid

3-(2-aminonaphthalen-1-yl)benzoic acid

Conditions
ConditionsYield
With tetrabutylammomium bromide; palladium diacetate; sodium carbonate; potassium carbonate; disodium ethylenediamine tetraacetic acid In water for 16h; Reflux; Inert atmosphere;90.4%
3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

5-bromosalicyclaldehyde
1761-61-1

5-bromosalicyclaldehyde

3-(3-nitro-2-(2,4,5-trifluorophenyl)-2H-chromen-6-yl)benzoic acid

3-(3-nitro-2-(2,4,5-trifluorophenyl)-2H-chromen-6-yl)benzoic acid

Conditions
ConditionsYield
With palladium bis[bis(diphenylphosphino)ferrocene] dichloride; caesium carbonate In water; N,N-dimethyl-formamide at 100℃; for 4h;90.2%
3-Bromopyridine
626-55-1

3-Bromopyridine

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

3-(pyridine-3-yl)benzoic acid
4385-77-7

3-(pyridine-3-yl)benzoic acid

Conditions
ConditionsYield
With sodium carbonate; tetrakis(triphenylphosphine) palladium(0) In acetonitrile at 90℃; for 16h; Substitution; Suzuki reaction;90%
With potassium carbonate; bis-triphenylphosphine-palladium(II) chloride In water; acetonitrile Reflux;83%
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; sodium carbonate In 1,2-dimethoxyethane; water at 100℃; for 4h; Suzuki Coupling; Inert atmosphere;70%
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In acetonitrile at 90℃; for 36h; Suzuki Coupling; Inert atmosphere;22%
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In acetonitrile at 90℃; for 14h;
cyclopentyl 2-amino-2-methylpropanoate hydrochloride

cyclopentyl 2-amino-2-methylpropanoate hydrochloride

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

cyclopentyl N-[3-(dihydroxyboryl)benzoyl]-2-methylalaninate
1192471-48-9

cyclopentyl N-[3-(dihydroxyboryl)benzoyl]-2-methylalaninate

Conditions
ConditionsYield
Stage #1: 3-Carboxyphenylboronic acid With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃; for 0.333333h;
Stage #2: cyclopentyl 2-amino-2-methylpropanoate hydrochloride In dichloromethane at 20℃; for 4h;
90%
3-bromobenzamide
22726-00-7

3-bromobenzamide

3-Carboxyphenylboronic acid
25487-66-5

3-Carboxyphenylboronic acid

3'-carbamoylbiphenyl-3-carboxylic acid

3'-carbamoylbiphenyl-3-carboxylic acid

Conditions
ConditionsYield
With tetrabutylammomium bromide; sodium carbonate In water at 100℃; for 4h; Suzuki Coupling;90%

3-Carboxyphenylboronic acid Specification

The IUPAC name of m-Carboxyphenylboronic acid is 3-boronobenzoic acid. With the CAS registry number 25487-66-5, it is also named as Benzeneboronic acid, m-carboxy-. The product's categories are Blocks; Boronic Acids; Carboxes; Acids and Derivatives; Boron, Nitrile, Thio & TM-Cpds; Substituted Boronic Acids; Boronic Acids & Esters; Phenyls & Phenyl-Het; Aryl; Organoborons; B (Classes of Boron Compounds); Boronic Acids and Derivatives. It is off-white crystalline powder which should be stored at the temperature of 0-6°C.

The other characteristics of this product can be summarized as: (1)ACD/LogP: 0.62; (2)# of Rule of 5 Violations: 0; (3)ACD/BCF (pH 5.5): 1; (4)ACD/BCF (pH 7.4): 1; (5)ACD/KOC (pH 5.5): 1; (6)ACD/KOC (pH 7.4): 1; (7)#H bond acceptors: 4; (8)#H bond donors: 3; (9)#Freely Rotating Bonds: 4; (10)Polar Surface Area: 77.76 Å2; (11)Index of Refraction: 1.585; (12)Molar Refractivity: 39.564 cm3; (13)Molar Volume: 118.001 cm3; (14)Polarizability: 15.685×10-24 cm3; (15)Surface Tension: 62.794 dyne/cm; (16)Density: 1.406 g/cm3; (17)Flash Point: 216.585 °C; (18)Enthalpy of Vaporization: 72.797 kJ/mol; (19)Boiling Point: 434.512 °C at 760 mmHg; (20)Vapour Pressure: 0 mmHg at 25°C.

Uses of m-Carboxyphenylboronic acid: It can react with 3-bromo-pyridine to get 3-pyridin-3-yl-benzoic acid. This reaction which is a kind of Substitution//Suzuki reaction needs reagent aq. Na2CO3, catalytic agent Pd(PPh3)4 and solvent acetonitrile at temperature of 90 °C. The reaction time is 16 hours. The yield is 90%.

m-Carboxyphenylboronic acid can react with 3-bromo-pyridine to get 3-pyridin-3-yl-benzoic acid

When you are using this chemical, please be cautious about it as the following:
It is not onlt harmful by inhalation, in contact with skin and if swallowed, but also irritating to eyes, respiratory system and skin. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If you want to contact this product, you must wear suitable protective clothing, gloves and eye/face protection.

People can use the following data to convert to the molecule structure. 
1. SMILES:B(c1cccc(c1)C(=O)O)(O)O
2. InChI:InChI=1/C7H7BO4/c9-7(10)5-2-1-3-6(4-5)8(11)12/h1-4,11-12H,(H,9,10)
3. InChIKey:DBVFWZMQJQMJCB-UHFFFAOYAT

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