Dihydrofuran-3(2H)-one synthesis
- Product Name:Dihydrofuran-3(2H)-one
- CAS Number:22929-52-8
- Molecular formula:C4H6O2
- Molecular Weight:86.09
453-20-3
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22929-52-8
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Yield:22929-52-8 95%
Reaction Conditions:
with 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical;trichloroisocyanuric acid in dichloromethane at -5 - 20; for 1 h;Solvent;
Steps:
7
To a 1 L flask, 3-tetrahydrofuran (3-OH-THF, 60.6 g, 0.68 mol, 1 equ.) was charged, followed by DCM (620 mL) and TEMPO(1.08 g, 0.0069 mol, 0.01 equ.) The solution was cooled to -5 °C. To which TCCA (159.6 g, 0.68 mol, 1 equ.) was added in portions controlling the tern- perature around -5 °C to 0 °C. The resulting mixture was allowed to warm to rt and monitored by GC-MS, Reaction was finished in 1 h to give 95% yield (GC area%).
References:
WO2014/139080,2014,A1 Location in patent:Page/Page column 8; 9
29212-66-6
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22929-52-8
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57595-23-0
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22929-52-8
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89898-51-1
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22929-52-8
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927-74-2
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22929-52-8
259 suppliers
$5.00/250mg