4-Hydroxypyrrolidine → 1-(5-Tert-butyl-isoxazol-3-yl)-3-(3-{7-[3-(3-hydroxy-pyrrolidin-1-yl)-propoxy]-6-methoxy-quinazolin-4-yloxy}-phenyl)-urea

Participants

Reaction Steps

In the manner described in Example 28 (1-(5-tert-butyl-isoxazol-3-yl)-3-{3-[7-(3-chloro-propoxy)-6-methoxy-quinazolin-4-yloxy]-phenyl}-urea (225 mg, 0.427 mmol) from Example 27B was reacted with pyrrolidin-3-ol (0.103 mL, 1.281 mmol) to yield 1-(5-tert-butyl-isoxazol-3-yl)-3-(3-{7-[3-(3-hydroxy-pyrrolidin-1-yl)-propoxy]-6-methoxy-quinazolin-4-yloxy}-phenyl)-urea (16 mg, 4%) as a white solid. 1H NMR (300 MHz, DMSO-d6) δ 9.70 (s, 1H), 9.28 (s, 1H), 8.52 (s, 1H), 7.55 (d, 2H), 7.35 (m, 2H), 7.25 (d, 1H), 6.95 (d, 1H), 6.45 (s, 1H), 4.70 (brs, 1H), 4.25 (m, 3H), 3.95 (s, 3H), 2.80-2.30 (m, 6H), 1.95 (m, 2H), 1.55 (m, 2H), 1.30 (s, 9H); LC-MS (ESI) m/z 577 (M+H)+.

Provenance & Evidence