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(3-Oxo-3,4-dihydro-2H-benzo[b]-[1,4]oxazin-6-yl)boronic acid

Product Name
(3-Oxo-3,4-dihydro-2H-benzo[b]-[1,4]oxazin-6-yl)boronic acid
CAS No.
1246765-28-5
Chemical Name
(3-Oxo-3,4-dihydro-2H-benzo[b]-[1,4]oxazin-6-yl)boronic acid
Synonyms
(3-Hydroxy-2H-1,4-benzoxazin-6-yl)boronic Acid;Boronic acid, B-(3,4-dihydro-3-oxo-2H-1,4-benzoxazin-6-yl)-;(3-Oxo-3,4-dihydro-2H-benzo[b]-[1,4]oxazin-6-yl)boronic acid;(3-Oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)boronic acid (contains varying amounts of Anhydride)
CBNumber
CB82685423
Molecular Formula
C8H8BNO4
Formula Weight
192.96
MOL File
1246765-28-5.mol
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(3-Oxo-3,4-dihydro-2H-benzo[b]-[1,4]oxazin-6-yl)boronic acid Property

Density 
1.46±0.1 g/cm3(Predicted)
storage temp. 
under inert gas (nitrogen or Argon) at 2-8°C
pka
8.06±0.20(Predicted)
Appearance
Light yellow to brown Solid
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

TRC
Product number
H954158
Product name
(3-Hydroxy-2H-1,4-benzoxazin-6-yl)boronicAcid
Packaging
2.5mg
Price
$45
Updated
2021/12/16
TRC
Product number
H954158
Product name
(3-Hydroxy-2H-1,4-benzoxazin-6-yl)boronicAcid
Packaging
5mg
Price
$60
Updated
2021/12/16
TRC
Product number
H954158
Product name
(3-Hydroxy-2H-1,4-benzoxazin-6-yl)boronicAcid
Packaging
25mg
Price
$200
Updated
2021/12/16
Matrix Scientific
Product number
095339
Product name
(3-Oxo-3,4-dihydro-2H-benzo[b]-[1,4]oxazin-6-yl)boronic acid
Purity
95+%
Packaging
250mg
Price
$447
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
BOR0006675
Product name
(3-OXO-3,4-DIHYDRO-2H-BENZO[B][1,4]OXAZIN-6-YL)BORONIC ACID
Purity
95.00%
Packaging
5MG
Price
$495.22
Updated
2021/12/16
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(3-Oxo-3,4-dihydro-2H-benzo[b]-[1,4]oxazin-6-yl)boronic acid Chemical Properties,Usage,Production

Synthesis

943994-02-3

1246765-28-5

Step 2: 3-Oxo-2H,4H-benzo[b][1,4]oxazine-6-boronic acid pinacol ester (500 mg, 1.82 mmol), polymer-loaded phenylboronic acid (2200 mg, 6.4 mmol), and 1M aqueous hydrochloric acid solution (132 mg, 3.63 mmol) were mixed in acetonitrile (12 mL) and stirred at room temperature. After completion of the reaction, the reaction mixture was filtered and the filtrate concentrated to afford (3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)boronic acid as a solid (232 mg, 66% yield). The product was characterized by 1H NMR (400 MHz, methanol-d4): δ 4.79 (2H, s), 6.94 (1H, d, J = 8.0 Hz), 7.18 (1H, d, J = 1.2 Hz), 7.27 (1H, dd, J = 8.0,1.4 Hz).

References

[1] Patent: WO2010/116282, 2010, A1. Location in patent: Page/Page column 56

(3-Oxo-3,4-dihydro-2H-benzo[b]-[1,4]oxazin-6-yl)boronic acid Preparation Products And Raw materials

Raw materials

Preparation Products

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(3-Oxo-3,4-dihydro-2H-benzo[b]-[1,4]oxazin-6-yl)boronic acid Suppliers

China 29 India 1 United States 4 Global 34
Wuhan Chemduro Pharm Tech Co. Ltd.
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18040571231/1402788087
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China
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Guangzhou Zhiya Chemdrugs Co.,Ltd
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Shanghai YuanYe Biotechnology Co., Ltd.
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021-61312847; 18021002903
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Shanghai SuperLan Chemcial Technique Centre
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Amadis Chemical Company Limited
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Capot Chemical Co.,Ltd.
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Aikon International Limited
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Shanghai Jizhi Biochemical Technology Co. Ltd.
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Henan Alpha Chemical Co., Ltd.
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1246765-28-5, (3-Oxo-3,4-dihydro-2H-benzo[b]-[1,4]oxazin-6-yl)boronic acidRelated Search:


  • (3-Oxo-3,4-dihydro-2H-benzo[b]-[1,4]oxazin-6-yl)boronic acid
  • Boronic acid, B-(3,4-dihydro-3-oxo-2H-1,4-benzoxazin-6-yl)-
  • (3-Hydroxy-2H-1,4-benzoxazin-6-yl)boronic Acid
  • (3-Oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)boronic acid (contains varying amounts of Anhydride)
  • 1246765-28-5