Ethopabate is prepared via esterification, acylation and alkylation from p-aminosalicylic acid in87.4% overall yield.

以对氨基水杨酸为原料，经酯化、酰化和烃化反应得乙氧苯酯，总收率为87.4%。

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Ethopabate is prepared via esterification, acylation and alkylation from p-aminosalicylic acid in87.4% overall yield.

以对氨基水杨酸为原料，经酯化、酰化和烃化反应得乙氧苯酯，总收率为87.4%。

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