Abstract
4′-Formylbenzo-15-crown-5, -18-crown-6, and bis(4′-formylbenzo)-18-crown-6 were conveniently synthesized in excellent yields by Smith modification of Duff reaction: formylation with hexamethylenetetramine and trifluoroacetic acid or methanesulfonic acid.
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CITATION STYLE
APA
Wada, F., Hirayama, H., Namiki, H., Kikukawa, K., & Matsuda, T. (1980). New Applications of Crown Ethers. II. Synthesis of 4′-Formylbenzocrown Ethers. Bulletin of the Chemical Society of Japan, 53(5), 1473–1474. https://doi.org/10.1246/bcsj.53.1473
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