Synthesis of 2, 5-disubstituted thienosultines and their thermal reactions with dienophiles and nucleophiles

…, CC Chi, IF Pai, AT Wu, WS Chung

Index: Liu, Wen-Dar; Chi, Chih-Chin; Pai, I-Feng; Wu, An-Tai; Chung, Wen-Sheng Journal of Organic Chemistry, 2002 , vol. 67, # 26 p. 9267 - 9275

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Citation Number: 27

Abstract

The 2, 5-disubstituted thienosultines (5, 7-disubstituted 1, 4-dihydro-1 H-3λ4-thieno [3, 4- d][2, 3] oxathiin-3-oxides) 5a-d were prepared from the corresponding dichlorides 4a-d with the commercially available Rongalite (sodium formaldehyde sulfoxylate) in 17-60% yields. ...