Hydrochloric Acid → 6-Chloro-16-thia-2,4,8,15,23-pentaazatetracyclo[15.3.1.1(3,7).1(9,13)]tricosa-1(21),3(23),4,6,9(22),10,12,17,19-nonaene 16,16-dioxide

Participants

Reaction Conditions

Reaction Steps

To a solution of 3-amino-N-{3-[(2,5-dichloropyrimidin-4-yl)amino]benzyl}benzenesulfonamide (38.0 mg, 0.089 mmol) in 2-methoxyethanol (0.49 mL) was added 4.0 M of hydrogen chloride in 1,4-dioxane (45 μL). The resulting mixture was heated at 150° C. in the microwave for 15 min. The mixture was diluted with Na2CO3 (aq), extracted with EtOAc three times. The combined organic layers were dried, filtered and concentrated to give the crude, which was purified by Combi-Flash column chromatography (4 g column, 0 to 50% EtOAc in Hex) to the desired product as a white powder (7 mg, 20%). LCMS for C17H14ClN5O2S (M+H)+: m/z=388.0, 390.0. 1H NMR (400 MHz, CD3OD): δ 7.62 (m, 1H), 7.54 (s, 1H), 7.28 (t, J=2.0 Hz, 1H), 7.08 (ddd, J=8.0, 2.0, 1.2 Hz, 1H), 6.78 (t, J=8.0 Hz, 1H), 6.35 (m, 1H), 6.18 (ddd, J=8.0, 1.6, 1.0 Hz, 1H), 5.98 (m, 1H), 5.82 (ddd, J=7.6, 2.0, 1.0, 1H), 4.20 (s, 2H).

Provenance & Evidence