Itraconazole Impurity 8 → Itraconazole Hydroxy Propyltriazolone Impurity

Participants

Reaction Steps

This compound was synthesized as a white amorphous solid from 4c (53.6 mg, 0.136 mmol) in 48% aqueous HBr (1.5 mL) in 97% yield by following general procedure 1.4: 1H NMR (400 MHz, CDCl3, δH) 7.62 (s, 1H), 7.38 (d, J=8.6 Hz, 2H), 7.06-6.90 (m, 4H), 6.74 (d, J=8.4 Hz, 2H), 3.83 (t, J=7.1 Hz, 2H), 3.37-3.31 (m, 4H), 3.24-3.18 (m, 4H), 1.83 (dd, J=14.5, 7.2 Hz, 2H), 0.98 (t, J=7.3 Hz, 3H). MALDI-MS: 380.2 (M+H+), 402.2 (M+Na+).

Provenance & Evidence