Triphenylphosphine → HCID 57810118, compound

Participants

Reaction Steps

Crude cyclopropane-1,1-dicarboxylic acid [3-fluoro-4-(6-hydroxy-7-methoxy-quinazolin-4-yloxy)-phenyl]-amide (4-fluoro-phenyl)-amide (333 mg, 0.66 mmol), PS—PPh3 resin, (loading=2.33 mmol/g, 797 mg, 1.86 mmol), 3-morpholin-4-yl-propan-1-ol (0.26 ml, 1.88 mmol), and DEAD (0.31 ml, 1.91 mmol) were combined in CH2Cl2 (10 ml) and stirred at room temperature for 1-2 hrs. The reaction mixture was filtered and the resin thoroughly washed with CH2Cl2. The filtrate was concentrated in vacuo and the resulting residue was dissolved in EtOAc and washed with H2O (4×) and sat'd NaCl (1×) and then extracted with 1N HCl (3×). The combined 1N HCl extractions were washed with EtOAc (2×). The acidic aqueous phase was then basified with 1N NaOH and extracted with EtOAc (3×). The combined EtOAc extractions were washed with H2O (1×), sat'd NaCl (1×), dried (Na2SO4), and concentrated in vacuo. The resulting residue was purified by preparative reverse phase HPLC (25 mM NH4OAc/acetonitrile) and the pure fractions were lyophilized to give cyclopropane-1,1-dicarboxylic acid {3-fluoro-4-[7-methoxy-6-(3-morpholin-4-yl-propoxy)-quinazolin-4-yloxy]-phenyl}-amide(4-fluoro-phenyl)-amide (42.6 mg, 10%). 1H NMR (400 MHz, DMSO-d6): δ 10.37 (br s, 1H), 10.05 (br s, 1H), 8.55 (s, 1H), 7.84 (m, 1H), 7.65 (m, 2H), 7.58 (s, 1H), 7.43 (m, 3H), 7.16 (t, 2H), 4.27 (m, 2H), 4.00 (s, 3H), 3.60 (m, 6H), 2.39 (m, 4H), 1.99 (m, 2H), 1.47 (m, 4H). LC/MS Calcd for [M+H]+ 634.2. found 634.1.

Provenance & Evidence