Trifluoroacetic acid → HCID 57581670, compound

Participants

Reaction Steps

N4-[3-Chloro-4-(pyridin-2-ylmethoxy)-phenyl]-N6-(1-oxa-3,8-diaza-spiro[4.5]dec-2-en-2-yl)-quinazoline-4,6-diamine is prepared from 2-{4-[3-chloro-4-(pyridin-2-ylmethoxy)-phenylamino]-quinazolin-6-ylamino}-1-oxa-3,8-diaza-spiro[4.5]dec-2-ene-8-carboxylic acid tert-butyl ester by standard BOC deprotection methods using TFA in methylene chloride. MS ESI (+) m/z 516, 518 (M+1, Cl pattern) detected; 1H NMR (400 mHz, CDCl3) δ 8.61 (s, 1H), 8.58 (d, 1H), 8.22 (bs, 1H), 7.97 (d, 1H), 7.70 (m, 2H), 7.67 (d, 1H), 7.64 (dd, 1H), 7.35 (d, 1H), 7.26 (m, 1H), 7.02 (d, 1H), 5.31 (s, 2H), 3.73 (s, 2H), 3.05 (m, 2H), 2.96 (m, 2H), 1.97 (m, 2H), 1.80 (m, 2H).

Provenance & Evidence