Symmetrically substituted β-amino α, β-unsaturated ketones react with sulfamide giving 2H-1,2,6-thiadiazine 1,1-dioxides in excellent yields. Unsymmetrically substituted β-amino and β-chloro α, β-unsaturated ketones also react with benzylsulfamide to yield thiadiazine derivatives in good chemical yields and excellent regioselectivity.
对称取代的δ²-
氨基δ±、δ²-不饱和酮与磺酰胺反应,生成 2H-1,2,6-噻二嗪 1,1-二氧化物,收率极高。不对称取代的δ²-
氨基和δ²-
氯δ±, δ²-不饱和酮也能与苄基磺酰胺反应,生成噻二嗪衍
生物,
化学收率高,具有极好的区域选择性。