Journal of the American Chemical Society

The Synthesis of 1-Methylcyclopropanecarbonitrile from Diazomethane and Alpha-Methylacrylonitrile1

D Gotkis, JB Cloke

文献索引：Gotkis; Cloke Journal of the American Chemical Society, 1934 , vol. 56, p. 2710

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被引用次数: 19

摘要

Summary 1. Two lignin fractions were isolated from barley straw by extracting it successively and exhaustively, first with a 2% alcoholic sodium hydroxide solution at room temperature and then by refluxing with 4% aqueous sodium hydroxide solution. All the data agree with the dissected formula ClaHaiOs for the first lignin fraction. Of the five hydroxyl groups only three could be methylated with diazomethane, thus indicating that in all probability these ...