Memoirs of the Faculty of Engineering, Okayama University
Published by Faculty of Enginerring, Okayama University

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Memoirs of the School of Engineering, Okayama University

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Studies on Oxasteroids. I. Synthesis of 3-Cyano-3-methylchroman-4-one.

Moriwake Tosio Department of Synthetics Chemistry and Industrial Chemistry
Honjo Yozo Department of Synthetics Chemistry and Industrial Chemistry
抄録
Condensation of chroman-4-one with ethyl formate in the presence of sodium methoxide gave 3-hydroxymethylenechroman-4-one (II). Reaction of II with hydroxylamine hydrochloride, followed isomerization by potassium t-butoxide gave IV. 3-Cyano-3-methylchroman-4-one was obtained by methylation of IV or treatment of III with potassium t-butoxide and methyl iodide.
ISSN
0475-0071
NCID
AA00733903