Methyl iodide → 1-(6-Bromo-7-methoxy-2-benzothiazolyl)-3-ethyl-urea

Beteiligte Stoffe

Reaktionsschritte

A mixture of 1-(6-bromo-7-hydroxy-2-benzothiazolyl)-3-ethyl-urea 6, potassium carbonate and iodomethane in DMF was reacted to give 0.0034 g (2%) of the desired compound 10. 1H NMR (DMSO) δ 10.88 (br s, 1H, NH), 7.55 (d, 1H, J=8.5 Hz, ArH), 7.33 (d, 1H, J=8.5 Hz, ArH), 6.82 (br s, 1H, NH), 3.93 (s, 3H, CH3), 3.18 (m, 2H, CH2), 1.09 (t, 3H, J=7.2 Hz, CH3); LC/MS 330 (MH+); RP-HPLC RT 3.04 minutes.

Herkunft & Nachweise