The Stereochemistry of the Sulfur Atom of 4,7-Dimethyl-6-phenyl-5,6,7,8-tetrahydro-4<i>H</i>-1,3,2,6-dioxathiazocine 2-Oxides
作者:Tomihiro Nishiyama、Shinji Miyatake、Hiromasa Yamaguchi、Fukiko Yamada
DOI:10.1246/bcsj.65.2294
日期:1992.8
The reaction of N-(2-hydroxypropyl)-N-(2-hydroxy-1-methylethyl)aniline with thionyl chloride afforded four isomers of 4,7-dimethyl-6-phenyl-5,6,7,8-tetrahydro-4H-1,3,2,6-dioxathiazocine 2-oxide. Oxidation of the four isomers by the use of KMnO4 yielded two kinds of sulfates. On the basis of the coupling constants and γ-effects, the stereochemical structures of the dioxathiazocine 2-oxides are discussed.
N-(2-羟基丙基)-N-(2-羟基-1-甲基乙基)苯胺与亚硫酰氯反应生成了 4,7-二甲基-6-苯基-5,6,7,8-四氢-4H-1,3,2,6-二氧代硫杂吲哚啉 2-氧化物的四种异构体。使用 KMnO4 对四种异构体进行氧化,可得到两种硫酸盐。根据耦合常数和 γ 效应,讨论了二噁硫杂唑嗪 2-氧化物的立体化学结构。