44826-45-1
3-sulfopropanoic acid
→
~81%
5961-88-6
2,2-dioxooxathiolan-5-one
802294-64-0
C2H5CO2H
~59%
7719-09-7
氯化亚砜
+
107-96-0
3-巯基丙酸
96302-45-3
3-(2,2,2-trifluoroethoxysulfonyl)propanoic acid
3944-67-0
3-chlorosulfonylpropanoyl chloride