(S)-2-tert-butoxy-2-(7-(4-chlorophenyl)-2-(1,3-dimethyl-1H-indazol-6-yl)-5-methylbenzo[d]thiazol-6-yl)acetic acid → (S)-2-tert-butoxy-2-(7-(4-chlorophenyl)-5-methyl-2-(3-methyl-[1,2,3]triazolo[1,5-a]pyridin-5-yl)benzo[d]thiazol-6-yl)acetic acid

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Prepared in a manner similar to (S)-2-tert-butoxy-2-(7-(4-chlorophenyl)-2-(1,3-dimethyl-1H-indazol-6-yl)-5-methylbenzo[d]thiazol-6-yl)acetic acid, but using (S)-ethyl 2-tert-butoxy-2-(7-(4-chlorophenyl)-5-methyl-2-(3-methyl-[1,2,3]triazolo[1,5-a]pyridin-5-yl)benzo[d]thiazol-6-yl)acetate instead of (S)-ethyl 2-tert-butoxy-2-(7-(4-chlorophenyl)-2-(1,3-dimethyl-1H-indazol-6-yl)-5-methylbenzo[d]thiazol-6-yl)acetate. LCMS-ESI+: calc'd for C27H26ClN4O3S: 521.0 (M+H+); Found: 521.2 (M+H+). NMR (400 MHz, CD3OD) δ 8.87 (d, J=7.4 Hz, 1H), 8.43 (s, 1H), 7.86 (s, 1H), 7.78 (dd, J=7.4, 1.8 Hz, 1H), 7.73-7.67 (m, 1H), 7.65-7.56 (m, 3H), 5.27 (s, 1H), 2.63 (s, 3H), 2.61 (s, 3H), 0.98 (s, 9H).

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