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18162-48-6872-50-4Methylene ChloridenaphthaleneTHFTitanium Dioxide
ChemicalBook CAS DataBase List 5-BROMO-2H-PYRAN-2-ONE,95%
19978-33-7

5-BROMO-2H-PYRAN-2-ONE,95% synthesis

14synthesis methods
3-Bromo-5,6-dihydro-2H-pyran-2-one

104184-64-7
11 suppliers
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3-Bromo-2H-pyran-2-one

19978-32-6
29 suppliers
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5-BROMO-2H-PYRAN-2-ONE,95%

19978-33-7
10 suppliers
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3,5-Dibromo-2H-pyran-2-one

19978-41-7
21 suppliers
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-

Yield:-

Steps:

Multi-step reaction with 2 steps
1: N-Bromosuccinimide; dibenzoyl peroxide / tetrachloromethane / 4.5 h / 110 °C / Inert atmosphere
2: triethylamine / dichloromethane / 24 h / 20 °C / Inert atmosphere

References:

Posner;Afarinkia;Dai;Guevel, Alyx-Caroline;Hart, David J. [Organic Syntheses,1996,vol. 73,p. 231 - 231]

2H-Pyran-2-one, 5,6-dibromo-5,6-dihydro-

22682-17-3
0 suppliers
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5-BROMO-2H-PYRAN-2-ONE,95%

19978-33-7
10 suppliers
inquiry

References
2H-Pyran-2-one, 3,5-dibroMo-5,6-dihydro-

137776-72-8
6 suppliers
inquiry

3-Bromo-2H-pyran-2-one

19978-32-6
29 suppliers
inquiry

5-BROMO-2H-PYRAN-2-ONE,95%

19978-33-7
10 suppliers
inquiry

3,5-Dibromo-2H-pyran-2-one

19978-41-7
21 suppliers
inquiry

References
3393-45-1 Synthesis
5,6-DIHYDRO-2H-PYRAN-2-ONE

3393-45-1
130 suppliers
$22.00/250mg

5-BROMO-2H-PYRAN-2-ONE,95%

19978-33-7
10 suppliers
inquiry

References
Coumalic acid

500-05-0
255 suppliers
$26.00/5g

5-BROMO-2H-PYRAN-2-ONE,95%

19978-33-7
10 suppliers
inquiry

3,5-Dibromo-2H-pyran-2-one

19978-41-7
21 suppliers
inquiry

References