1: lithium hydride / ethyl acetate; N,N-dimethyl-formamide 2: water; sodium hydroxide / methanol / 20 °C 3: 4-methyl-morpholine; benzotriazol-1-ol; dicyclohexyl-carbodiimide / chloroform 4: Lawesson's reagent / toluene / Reflux 5: hydrogenchloride; water / methanol / Reflux View Scheme

1: water; sodium hydroxide / methanol / 20 °C 2: 4-methyl-morpholine; benzotriazol-1-ol; dicyclohexyl-carbodiimide / chloroform 3: Lawesson's reagent / toluene / Reflux 4: hydrogenchloride; water / methanol / Reflux View Scheme

1: 4-methyl-morpholine; benzotriazol-1-ol; dicyclohexyl-carbodiimide / chloroform 2: Lawesson's reagent / toluene / Reflux 3: hydrogenchloride; water / methanol / Reflux View Scheme

1: Lawesson's reagent / toluene / Reflux 2: hydrogenchloride; water / methanol / Reflux View Scheme

hydrogenchloride; water in methanol Reflux;

1: hydrogenchloride / methanol / 0 °C 2: sodium ethanolate / ethanol 3: lithium hydride / ethyl acetate; N,N-dimethyl-formamide 4: water; sodium hydroxide / methanol / 20 °C 5: 4-methyl-morpholine; benzotriazol-1-ol; dicyclohexyl-carbodiimide / chloroform 6: Lawesson's reagent / toluene / Reflux 7: hydrogenchloride; water / methanol / Reflux View Scheme