Diethyl Ether → HCID 14851249, compound

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Reaction Steps

To 11.3 g (0.03 mole) of the ethyl 2-chloro-3-(2-methoxyethoxy)-4-ethylsulfonylbenzoate in 100 mL of 96% ethanol was added dropwise 16 mL (1.2 eq) of 10% sodium hydroxide. After stirring at room temperature for 4 hours, 100 mL of diethyl ether was added and the organic phase was extracted with 50 mL of 5% NaOH. The aqueous phase was acidified with 10% HCl and extracted two times with 50 mL chloroform. The organic phase was dried with MgSO4 and concentrated under vacuum to yield 8.8 grams of 2-chloro-3-(2-methoxyethoxy)4-ethylsulfonylbenzoic acid as a viscous oil.

Provenance & Evidence