Title of article :
Novel generation and ring closure of 1,3-thiaza-1,3-butadiene S-oxides through thermal cycloreversion of 6H-1,3,5-oxathiazine S-oxides
Author/Authors :
Shimada، نويسنده , , Kazuaki and Rafiqul، نويسنده , , Islam Md. and Sato، نويسنده , , Masanobu and Aoyagi، نويسنده , , Shigenobu and Takikawa، نويسنده , , Yuji، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2003
Abstract :
Heating of 6H-1,3,5-oxathiazine S-oxides efficiently afforded 1,2,4-oxathiazoles through the mechanism involving thermal cycloreversion of the substrates and the subsequent ring closure of the intermediary 1,3-thiaza-1,3-butadiene S-oxides.
Keywords :
6H-1 , 1 , 3 , 3-thiaza-1 , 3-butadiene S-oxide , sulfine , 5H-1 , 2 , 2 , 4-thiadiazole , 1 , 5-oxathiazine S-oxide , 4-oxathiazole
Journal title :
Tetrahedron Letters
Journal title :
Tetrahedron Letters