3,4-Dihydro-2H-pyran synthesis
- Product Name:3,4-Dihydro-2H-pyran
- CAS Number:110-87-2
- Molecular formula:C5H8O
- Molecular Weight:84.12
557-40-4
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$63.00/25mL
110-87-2
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$10.00/1g
Yield:110-87-2 171 mg (93%)
Reaction Conditions:
in dichloromethane;ethyl acetate;
Steps:
ii.2 ii
Step 2 To a solution of compound 93 (200 mg, 0.55 mmol) in 100 mL of CH2Cl2 was added Grubbs's catalyst (20 mg, 5 mol %) and the mixture was refluxed under argon for 2 hours. The solvent was removed under reduced pressure and the residue was chromatographed (3% EtOAc in hexanes) to provide 171 mg (93%) of dihydropyran 94.
References:
US2004/121947,2004,A1
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110-87-2
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$16.00/1g
110-87-2
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$33.10/5ml
110-87-2
542 suppliers
$10.00/1g