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ChemicalBook CAS DataBase List Methyl 2-Hexyl-3-oxocyclopentanecarboxylate
37172-53-5

Methyl 2-Hexyl-3-oxocyclopentanecarboxylate synthesis

3synthesis methods
-

Yield:37172-53-5 17 g (93%)

Reaction Conditions:

in methanol;1,2-dichloro-ethane;

Steps:

1.b b.

b. Preparation of methyl 2-n-hexyl-3-oxo-cyclopentanecarboxylate A solution of 17 g of 2-n-hexyl-3-oxo-cyclopentanecarboxylic acid, 10 ml of methanol and 1 g of concentrated sulphuric acid in 50 ml of ethylene chloride, is refluxed for 8 hours. The reaction mixture is then washed with water and sodium carbonate solution and dried over anhydrous sodium sulphate. The solvent is distilled off at a reduced pressure and the residue is distilled through a short Vigreux column. The product, methyl 2-n-hexyl-3-oxo-cyclopentanecarboxylate is collected at 85°C/0,06 mm, yield 17 g (93%), nD20 1.4562.

References:

US3954834,1976,A

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