Erratum

Figures & data

Figure 1 Rizatriptan benzoate.

Scheme 1 Synthesis of Rizatriptan benzoate (1)

Scheme 2 Synthesis of 1-(4-(2-(4-(Dimethylamino) butylidene) -hydrazino) phenyl) -methyl -1,2,4 triazole (6).

Scheme 3 Synthesis of Rizatriptan N-Oxide impurity (7).

Scheme 4 Synthesis of Rizatriptan dimer impurity (9).

Scheme 5 Synthesis of Desmethyl rizatriptan (15).

Scheme 6 Synthesis of 5-(1H-1, 2,4-triazol-1yl-methyl)-1H-indole -3-ethanamine hydrochloride (14).

Scheme 7 Synthesis of N-methyl rizatriptan (15).