Trifluoroacetic acid → HCID 57612646, compound

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Reaction Steps

Yellow oil. TFA salt. Synthesized from 2-(2-amino-5-(trifluoromethoxy)phenylamino)-6-(pyridin-4-yl)-9-(tetrahydro-2H-pyran-4-yl)-7H-purin-8(9H)-one following the general procedure for closing the benzimidazole ring. 1H NMR (300 MHz, CD3OD+CDCl3) δ, ppm: 9.30 (br s, 1H), 9.00-8.85 (br m, 1H), 8.67 (s, 1H), 8.20-8.10 (m, 2H), 7.84-7.67 (m, 1H), 7.40-7.22 (m, 2H), 4.76-4.72 (m, 1H), 4.26-4.13 (m, 2H), 3.62 (app t, 2H), 2.90-2.80 (m, 2H), 1.90 (br d, 2H); MS (EI) m/z 498.3 (MH)+.

Provenance & Evidence