1-Iodopentane → HCID 178447154, compound

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Reaction Steps

30 ml of diisopropylethylamine and 1.3 ml of 1-iodopentane were added to a solution of 1.84 g of N-(trans-4-methylcyclohexyl)-4-(carboxymethoxy )- 3-methoxycinnamamide (Example 172) in 50 ml of methylene chloride. The solution was stirred for 16 hours, while it was refluxed. After reaction, the reaction solution was washed three times with 200 ml of an aqueous sodium thiosulfate solution and once with an aqueous sodium chloride solution, and was dried over magnesium sulfate. Then, the solvent was removed in vacuo. The product obtained was recrystallized from methylene chloride/ether, yielding 1.56 g of N-(trans-4-methylcyclohexyl)-4-(pentyloxycarbonylmethoxy) -3-methoxycinnamamide (a compound of the present invention) as white crystal, which had the following physiochemical properties:

Provenance & Evidence