Acetic Anhydride → 1-(2-{4-[3-Methyl-4-(6-methylpyridin-3-yloxy)-phenylamino]-quinazolin-6-ylamino}-3a,4,6,6a-tetrahydropyrrolo[3,4-d]oxazol-5-yl)-ethanone

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1-(2-{4-[3-Methyl-4-(6-methylpyridin-3-yloxy)-phenylamino]-quinazolin-6-ylamino}-3a,4,6,6a-tetrahydropyrrolo[3,4-d]oxazol-5-yl)-ethanone is prepared from N4-[3-methyl-4-(6-methylpyridin-3-yloxy)-phenyl]-N6-(4,5,6,6a-tetrahydro-3aH-pyrrolo[3,4-d]oxazol-2-yl)-quinazoline-4,6-diamine by standard acetylation methods using acetic anhydride in a mixture of pyridine and methylene chloride. MS APCI (+) m/z 510 (M+1) detected; 1H NMR (400 mHz, CD3OD) δ 8.44 (s, 1H), 8.26 (d, 1H), 8.13 (d, 1H), 7.71 (m, 2H), 7.63 (m, 2H), 7.28 (m, 2H), 7.00 (d, 1H), 5.28 (m, 1H), 4.89 (m, 1H), 4.15 (d, 0.5H), 4.03 (m, 1H), 3.84 (d, 0.5H), 3.75 (m, 1H), 3.47 (m, 1H), 2.50 (s, 3H), 2.27 (s, 3H), 2.09 (d, 3H).

Provenance & Evidence