Arylsulfochlorination of β-aminopropioamidoximes giving 2-aminospiropyrazolylammonium arylsulfonates
作者:L. A. Kayukova、K. D. Praliyev、A. B. Myrzabek、Zh. N. Kainarbayeva
DOI:10.1007/s11172-020-2789-4
日期:2020.3
The reaction of P-(morpholin-1-yl)propioamidoxime with aromatic sulfonyl chlorides (p-XC 6 H 4 SO 2 Cl; X = CH 3 O, CH 3 , H, Br, Cl, NO 2 ) in chloroform in the presence of triethyl-amine does not produce expected O -arylsulfonyl-β-(morpholin-1-yl)propioamidoximes; instead, this reaction affords isomers of the latter compounds, 2-amino-8-oxa-l,5-diazaspiro[4.5]dec-1-ene-5-ammonium arylsulfonates.
P-(morpholin-1-yl)propioamidoxime 与芳族磺酰氯 (p-XC 6 H 4 SO 2 Cl; X = CH 3 O, CH 3 , H, Br, Cl, NO 2 ) 在氯仿中的反应三乙胺的存在不会产生预期的 O-芳基磺酰基-β-(吗啉-1-基)丙酰胺肟;相反,该反应提供后一种化合物的异构体,2-氨基-8-氧杂-1,5-二氮杂螺[4.5]dec-1-烯-5-芳基磺酸铵。反应产物的结构是通过物理化学方法、光谱学和X射线衍射确定的。