A CONDENSATION OF ACETOPHENONE WITH ISATIN BY THE KNOEVENAGEL METHOD1

HG Lindwall, JS Maclennan

文献索引：Lindwall; Maclennan Journal of the American Chemical Society, 1932 , vol. 54, p. 4739,4741

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被引用次数: 58

摘要

The Pfitzinger2 method of synthesis of substituted cinchoninic acids, like cinchophen, from isatin and methyl ketones with concentrated potash, serves as a convenient reaction when no alkali-sensitive groups are present. The desirability of a more gentle method suggested ...