1951 年 71 巻 11 号 p. 1275-1277
Condensation of isatin and phenoxyacetone by the Pfitzinger reaction yields 3-phenoxy-4-quinaldine-carboxylic acid and 2-phenoxymethyl-4-quinoline-carboxylic acid in a 3:1 ratio. It was found that the ether linkage of the phenoxymethyl group in the latter compound is cleaved comparatively easily.