A Novel Synthesis of 3,4-Dihydro-(2H)-1,2,4-Benzothiadiaizine-1,1-Dioxides Promoted by Samarium Diio

• 作 者: Wei Hui ZHONG Yong Min ZHANG
• 机 构: Campus
• 出 处: 中国化学快报（英文版）
• 发表日期: 2004年期
• 关键词: Samarium diiodide 2H-1 2 4-benzothiadizine-1 1-dioxide reductive cyclization

3,4-Dihydro-(2H)-1,2,4-benzothiadizine-1,1-dioixdes were prepared in good yields via reductive cyclization of o-nitrobenzenesulfonamides with aldehydes promoted by SmI2 under mild and neutral condition.