Jiang Weimin
2007
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Journal
Flavour Fragrance Cosmetics
Abstract
This investigation provided an environment-friendly process for the synthesis of methyl anthranilate.Methyl 2-nitrobenzoate was prepared by esterification of 2-nitrobenzoic acid with methanol in 88% yield.Raney nickel-catalyzed hydrogenation of methyl 2-nitrobenzoate resulted in reduction of nitryl to give methyl anthranilate in 80% yield.This process not only avoided direct esterification of 2-aminobenzoic acid in low yield,but also eliminated the waste water caused by Na2S or Fe powder reduction.