ChemicalBook > CAS DataBase List > 2-Furanboronic acid

2-Furanboronic acid

Product Name
2-Furanboronic acid
CAS No.
13331-23-2
Chemical Name
2-Furanboronic acid
Synonyms
furan-2-ylboronic acid;2-FURYLBORONIC ACID;FURAN-2-BORONIC ACID;AKOS 90301;Furan-2-acid;2-furan acid;AKOS BRN-0264;2-Boronofuran;2-Furanboronicaci;2-FURANBORONIC ACID
CBNumber
CB0474272
Molecular Formula
C4H5BO3
Formula Weight
111.89
MOL File
13331-23-2.mol
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2-Furanboronic acid Property

Melting point:
112 °C (dec.) (lit.)
Boiling point:
247.7±32.0 °C(Predicted)
Density 
1.25±0.1 g/cm3(Predicted)
storage temp. 
2-8°C
solubility 
Chloroform (Slightly, Sonicated), DMSO (Slightly)
pka
8.29±0.53(Predicted)
form 
Crystalline Powder
color 
Light beige
Water Solubility 
Slightly soluble in water.
Sensitive 
Air Sensitive
BRN 
112370
InChI
InChI=1S/C4H5BO3/c6-5(7)4-2-1-3-8-4/h1-3,6-7H
InChIKey
PZJSZBJLOWMDRG-UHFFFAOYSA-N
SMILES
O1C=CC=C1B(O)O
CAS DataBase Reference
13331-23-2(CAS DataBase Reference)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-37/39-3
WGK Germany 
3
Hazard Note 
Irritant
HazardClass 
IRRITANT, AIR SENSITIVE, KEEP COLD
HS Code 
29321900
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
464910
Product name
2-Furanylboronic acid
Purity
≥95.0%
Packaging
1g
Price
$101
Updated
2025/07/31
Sigma-Aldrich
Product number
464910
Product name
2-Furanylboronic acid
Purity
≥95.0%
Packaging
10g
Price
$321.2
Updated
2024/03/01
TCI Chemical
Product number
F0394
Product name
2-Furylboronic Acid (contains varying amounts of Anhydride)
Packaging
1g
Price
$25
Updated
2025/07/31
TCI Chemical
Product number
F0394
Product name
2-Furylboronic Acid (contains varying amounts of Anhydride)
Packaging
5g
Price
$83
Updated
2025/07/31
TRC
Product number
F864095
Product name
Furan-2-boronicacid
Packaging
5g
Price
$75
Updated
2021/12/16
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2-Furanboronic acid Chemical Properties,Usage,Production

Chemical Properties

light beige crystalline powder

Uses

It is used in Suzuki reaction for generalized route for the synthesis of β-furyl-α,β-unsaturated aldehydes.

Synthesis

1104637-62-8

13331-23-2

The general procedure for the synthesis of 2-furanboronic acid from 2-(furan-2-yl)-6-methyl-1,3,6,2-dioxaborolane-4,8-dione was as follows: a solution of MIDA borate (5 mmol) in THF (50 mL) was added to a 100 mL flask fitted with a stir bar under an ambient atmosphere followed by the addition of an aqueous 1.0 M NaOH solution (15 mL ). The reaction mixture was stirred vigorously for 20 minutes. Upon completion, the mixture was transferred to a partition funnel and diluted with ether (50 mL) and 0.5 M pH 7 sodium phosphate buffer (50 mL). The phases were separated after sufficient shaking. The aqueous phase was extracted with a solvent mixture of THF/ether (1:1, 2 x 25 mL). The organic phases were combined, dried with anhydrous MgSO4, filtered and concentrated in vacuum. The residual solvent was co-evaporated with acetonitrile and the resulting solid was dried under vacuum at about 1 Torr for 30 min. The resulting boric acid was analyzed by 1H-NMR to be >95% pure and was immediately used in the subsequent cross coupling reaction. Specific examples are as follows: 2-furanboronic acid (0.531 g, 95% yield) was obtained as an off-white solid using MIDA borate (1.127 g, 5.002 mmol) following the general procedure described above.TLC (unfolding reagent: ethyl acetate) Rf = 0.46, stained with potassium permanganate to develop color.1H-NMR (500 MHz, DMSO-d6:D2O 1H-NMR (500 MHz, DMSO-d6:D2O 95:5, with TMS) δ 7.81 (dd, J = 1.5, 5.5 Hz, 1H), 7.07 (dd, J = 3.0, 0.5 Hz, 1H), 6.48 (dd, J = 3.5, 2.0 Hz, 1H). 13C-NMR (125 MHz, DMSO-d6:D2O 95:5, with TMS) δ 146.4, 121.5, 110.3. 121.5, 110.3. HRMS (EI+) calculated value C4H3O3B [M]+: 112.0332, measured value: 112.0332.

References

[1] Journal of the American Chemical Society, 2009, vol. 131, p. 6961 - 6963
[2] Patent: WO2010/36921, 2010, A2. Location in patent: Page/Page column 41

2-Furanboronic acid Preparation Products And Raw materials

Raw materials

Nitrogen Triethyl borate 2-Chlorofuran Tetrahydrofuran Magnesium

Preparation Products

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View Lastest Price from 2-Furanboronic acid manufacturers

Hebei Chuanghai Biotechnology Co., Ltd
Product
2-Furanboronic acid 13331-23-2
Price
US $10.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
5tons
Release date
2024-12-02
Honest Joy Holdings Limited
Product
Furan-2-boronic acid 13331-23-2
Price
US $0.00/KG
Min. Order
1KG
Purity
97.7%
Supply Ability
100 tons
Release date
2022-01-25
Zhuozhou Wenxi import and Export Co., Ltd
Product
2-Furanboronic acid 13331-23-2
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-08-11

13331-23-2, 2-Furanboronic acidRelated Search:

Furan Nitrofurantoin Ethyl 2-(Chlorosulfonyl)acetate FURAN-2-BORONIC ACID PINACOL ESTER,FURAN-2-BORONIC ACID PINACOL CYCLIC ESTER,2-Furanboronic acid pinacol ester Tetrahydrofuran Zinc borate Furazolidone FURFURYL ALCOHOL RESIN 3-FURANBORONIC ACID,FURAN-3-BORONIC ACID,FURAN-3-BORONIC ACID 97%,Furan-3-boronic acid, 98+% Folic acid FURAN-3-BORONIC ACID PINACOL ESTER,3-FURANBORONIC ACID, PINACOL ESTER 3-FURONITRILE (furan-3-yl)(phenyl)methanamine hydrochloride Carbamic acid, 3-furanyl-, 1,1-dimethylethyl ester (9CI) 2,3-Dihydro-2,2-dimethyl-7-benzofuranol Citric acid Boric acid Ethyl 3-furancarboxylate

  • FURAN-2-BORONIC ACID
  • 2-Furaneboronicacid
  • Furane-2-boronicacid
  • RARECHEM AH PB 0259
  • TIMTEC-BB SBB004326
  • AKOS 90301
  • AKOS BRN-0264
  • 2-FURYLBORONIC ACID
  • 2-FURANBORONIC ACID
  • 2-FURANYLBORONIC ACID
  • Furan-2-boronic acid, 2-furylboronic acid
  • FURAN-2-BORONIC ACID, 2-FURANBORONIC ACID, 2-FURYLBORONIC ACID
  • furan-2-ylboronic acid
  • (2-Furyl)boranediol
  • (2-Furyl)dihydroxyborane
  • Dihydroxy(2-furanyl)borane
  • Furan-2-boronic acid,97%
  • 2-Furylboronic Acid (contains varying amounts of Anhydride)
  • Furan-2-acid
  • Furan-2-boronic Acid 2-Furanylboronic Acid
  • Boronic acid, B-2-furanyl-
  • 2-Furanboronicacid (7CI,8CI)
  • 2-FURANBORONICACID (7CI,8CI);BORONIC ACID, 2-FURANYL- (9CI);
  • Boronic acid, 2-furanyl- (9CI)
  • 2-Boronofuran
  • 2-Furanylboronic acid >=95.0%
  • 2-furan acid
  • (5-Furanyl)boronic acid
  • dihydroxy-(furan-2-yl)-borane
  • Furan-2-boronic acid 98%
  • 2-Furanboronicaci
  • 2-Furanboronic acid 13331-23-2
  • fur-2-ylboronic acid
  • Furan-2-boronic acid - [F3580]
  • 13331-23-2
  • 1331-23-2
  • C14H18BNO3
  • C4H9O3B
  • C19H25BO3
  • C17H21BO3
  • C17H14BClO3
  • C18H23BO3
  • C9H11BBrFO3
  • C11H17BO4
  • C4H5BO3
  • Organometallic Reagents
  • Heteroaryl
  • Boronic Acids
  • B (Classes of Boron Compounds)
  • Boronic Acids and Derivatives
  • Boric Acid| Boric Acid Ester| Potassium Trifluoroborate
  • IndolesOxindoles
  • blocks
  • BoronicAcids
  • Heterocycles
  • Boronic acids
  • Boronic Acid
  • Furan