反应详情

45.1 g (0.24 mol) of ethyl 3-amino-2-chloro-4-methyl-2-pentenoate are reacted with 36.8 g (0.59 mol) of formamide and 109 ml of sodium methylate solution in 130 ml of methanol and worked up in analogy to Example 9. Yield: 34.5 g (83.3%)