Syntheses and Structural Analysis of 10??Monoxy??and??Dioxy??5??N??Substituted Iminothianthrene Derivatives and the Stereochemical Change on their Sulfur Atom …
H Morita, H Kawaguchi, T Yoshimura…
Index: Morita, Hiroyuki; Kawaguchi, Hiroyuki; Yoshimura, Toshiaki; Tsukurimichi, Eiichi; Shimasaki, Choichiro; Horn, Ernst Chemistry - A European Journal, 2000 , vol. 6, # 21 p. 3976 - 3983
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Abstract
Abstract 5-(Np-Toluenesulfonyl) iminothianthrenes, whose sulfur atoms are oxidized to a sulfoxide or sulfone at the 10-position, were hydrolysed readily in high yield to N- unsubstituted-sulfilimines by using concentrated H 2 SO 4. During hydrolysis, 10-monoxy-5- N-unsubstituted-sulfilimines were obtained as a separable mixture of the cis and trans isomers. The stereochemical interconversion of these compounds was studied under both ...
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