Multi-step reaction with 10 steps
1: piperidine; acetic acid / toluene / Reflux
2: triethylamine; 3-ethyl-5-(2-hydroxyethyl)-4-methyl-1,3-thiazolium bromide / ethanol / 70 °C
3: acetic acid / methanol / 50 °C
4: copper(l) iodide; L-proline; potassium carbonate / dimethyl sulfoxide / 120 °C
5: sodium hydroxide; water / ethanol; 1,4-dioxane / 48 h / Reflux
6: trifluoroacetic acid / dichloromethane
7: N-iodo-succinimide / N,N-dimethyl-formamide / 0 °C
8: copper(l) iodide; L-proline; sodium hydroxide / dimethyl sulfoxide / 90 °C / Inert atmosphere
9: ammonium chloride; iron / ethanol / Reflux
10: pyridine / dichloromethane / -5 °C
With
piperidine; pyridine; N-iodo-succinimide; copper(l) iodide; water; iron; 3-ethyl-5-(2-hydroxyethyl)-4-methyl-1,3-thiazolium bromide; potassium carbonate; ammonium chloride; acetic acid; triethylamine; trifluoroacetic acid; L-proline; sodium hydroxide;
In
1,4-dioxane; methanol; ethanol; dichloromethane; dimethyl sulfoxide; N,N-dimethyl-formamide; toluene;