Studies of Benzoylsulfene. IV. The Cycloaddition Reactions of Benzoylsulfene with Cinnamylideneamines
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概要
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The reaction of benzoylmethanesulfonyl chloride with cinnamylideneamines in the presence of triethylamine has been investigated; the products were identified, by spectral studies as well as by chemical transformations, as the corresponding Diels-Alder adducts of benzoylsulfene as a dienophile to the α,β-unsaturated anils, 2-substituted 5<I>H</I>, 6<I>H</I>-6-benzoyl-5-phenyl-1,2-thiazine 1,1-dioxides, in which the phenyl and benzoyl groups are quasi-equatorial and quasi-axial respectively. The cycloadducts underwent inversion, on treatment with sodium methoxide in methanol or with silica gel in chloroform, to the corresponding epimers, in which both the phenyl and benzoyl groups are quasi-equatorial.
- 公益社団法人 日本化学会の論文
著者
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Tsuge Otohiko
Research Institute of Industrial Science, and Department of Molecular Science and Technology, Interdisciplinary Graduate School of Engineering Sciences Kyushu University
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Tsuge Otohiko
Research Institute of Industrial Science, Kyushu University
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Iwanami Sumio
Research Institute of Industrial Science, Kyushu University
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