Mercaptoalkanoylamino lactam acids are recrystallized by treatment with an agent that minimizes the formation of disulfides. Suitable agents are bismercaptans, phosphine or phosphite reducing agents, zinc metal powder, and sodium hydrosulfite.
Mercaptoalkanoylamino内酰胺酸通过用最小化二
硫化物形成的试剂处理而重新结晶。适合的试剂包括双
硫醇、膦或
亚磷酸还原剂、
锌金属粉末和亚
硫酸氢钠。