Yao Xing-sheng
2007
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Journal
Hebei Chemical Engineering and Industry
Abstract
2-ethyl-6-methyl-3-hydroxypyridine hydrochloride is a new synthetic antioxidant. Improvement for the preparation of its base:the acylation of 2-methylfuran with propionic anhydride has resulted in a 71% yield of 2-propionyl-5-methylfuran in the presence of 2% boron trifluoride-etherate;conditions to obtain the product in good yield have been established.