Indole-7-boronic acid pinacol ester
- Product Name
- Indole-7-boronic acid pinacol ester
- CAS No.
- 642494-37-9
- Chemical Name
- Indole-7-boronic acid pinacol ester
- Synonyms
- INDOLE-7-BORONIC ACID PINACOL ESTER;1H-Indole-7-boronic acid, pinacol ester;1H-INDOL-7-YLBORONIC ACID PINACOL ESTER;REF DUPL: Indole-7-boronic acid pinacol ester;Indole-7-boronic acid pinacol ester - [I12588];7-(tetraMethyl-1,3,2-dioxaborolan-2-yl)-1H-indole;4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3H-indole;7-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-1H-INDOLE;1H-Indole, 7-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-;3-hydroxy-2,3-dimethylbutan-2-yl hydrogen 1H-indol-7-ylboronate
- CBNumber
- CB7839311
- Molecular Formula
- C14H18BNO2
- Formula Weight
- 243.11
- MOL File
- 642494-37-9.mol
Indole-7-boronic acid pinacol ester Property
- Melting point:
- 94-96 °C
- Boiling point:
- 396.0±15.0 °C(Predicted)
- Density
- 1.11±0.1 g/cm3(Predicted)
- storage temp.
- Inert atmosphere,2-8°C
- form
- crystalline powder
- pka
- 17.01±0.30(Predicted)
- color
- White
Safety
- Hazard Codes
- Xi
- HS Code
- 2933998090
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
-
P271Use only outdoors or in a well-ventilated area.
P280Wear protective gloves/protective clothing/eye protection/face protection.
N-Bromosuccinimide Price
- Product number
- I577788
- Product name
- Indole-7-boronicacid,pinacolester
- Packaging
- 1g
- Price
- $175
- Updated
- 2021/12/16
- Product number
- OR59787
- Product name
- 1H-Indole-7-boronicacid,pinacolester
- Purity
- 97%
- Packaging
- 1g
- Price
- $83
- Updated
- 2021/12/16
- Product number
- 8H60-1-W1
- Product name
- 1H-Indole-7-boronic acid, pinacol ester
- Purity
- 97%
- Packaging
- 1g
- Price
- $108
- Updated
- 2021/12/16
- Product number
- OR59787
- Product name
- 1H-Indole-7-boronicacid,pinacolester
- Purity
- 97%
- Packaging
- 5g
- Price
- $392
- Updated
- 2021/12/16
- Product number
- ING0005369
- Product name
- INDOLE-7-BORONIC ACID PINACOL ESTER
- Purity
- 95.00%
- Packaging
- 250MG
- Price
- $475
- Updated
- 2021/12/16
Indole-7-boronic acid pinacol ester Chemical Properties,Usage,Production
Uses
Indole-7-boronic acid, pinacol ester
Synthesis
51417-51-7
73183-34-3
642494-37-9
The general procedure for the synthesis of 7-bromoindole and pinacol ester of bis(pinacolato) borate from 7-bromoindole and pinacol ester of bis(pinacolato) borate was as follows: 7-bromoindole (20 g, 0.102 mol) was dissolved in a 1 L single-necked flask containing DMSO (100 mL), and bis(pinacolato)diboron (39 g, 0.153 mol), [1,1'-bis(diphenylphosphinato)ferrocene]dichloro palladium (Pd(dppf)Cl2, 4 g, 0.005 mol) and potassium acetate (15 g, 0.153 mol). The reaction system was heated to 85 °C and the reaction was stirred for 2 hours. After completion of the reaction, the reaction was quenched by the addition of water. The mixture was extracted three times with ethyl acetate, the organic phases were combined and dried over anhydrous sodium sulfate. After concentration under reduced pressure, the product was purified by column chromatography to afford the target product 7-indoleboronic acid pinacol ester (25 g, 0.103 mol). The structure of the product was confirmed by 1H NMR (400 MHz, CDCl3) and mass spectrometry (ESI): 1H NMR (400 MHz, CDCl3) δ 9.29 (s, 1H), 7.82 (d, J = 7.9 Hz, 1H), 7.70 (d, J = 7.0 Hz, 1H), 7.32-7.29 (m, 1H), 7.21- 7.14 (m, 1H), 6.62-6.57 (m, 1H), 1.44 (s, 12H); MS (ESI) m/z: [M + H]+ 244.1.
References
[1] Synlett, 2003, # 8, p. 1204 - 1206
[2] Advanced Synthesis and Catalysis, 2017, vol. 359, # 19, p. 3421 - 3427
[3] Journal of the American Chemical Society, 2017, vol. 139, # 24, p. 8267 - 8276
[4] European Journal of Organic Chemistry, 2016, vol. 2016, # 27, p. 4621 - 4628
[5] Patent: JP2015/528445, 2015, A. Location in patent: Paragraph 0047; 0065
Indole-7-boronic acid pinacol ester Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Indole-7-boronic acid pinacol ester manufacturers
- Product
- Indole-7-boronic acid pinacol ester 642494-37-9
- Price
- US $15.00-10.00/KG
- Min. Order
- 1KG
- Purity
- 99%+ HPLC
- Supply Ability
- Monthly supply of 1 ton
- Release date
- 2021-07-11
- Product
- Indole-7-boronic acid pinacol ester 642494-37-9
- Price
- US $15.00-10.00/KG
- Min. Order
- 1KG
- Purity
- 99%+ HPLC
- Supply Ability
- Monthly supply of 1 ton
- Release date
- 2021-07-09
- Product
- Indole-7-boronic acid pinacol ester 642494-37-9
- Price
- US $3500.00-3200.00/KG
- Min. Order
- 1G
- Purity
- 98%
- Supply Ability
- 1000KG
- Release date
- 2018-08-03