“…1 H NMR (DMSO-d 6 ): δ 1.22 (s, 6H, H-4, H-5), 3.57 (s, 3H, H-1), 3.89 (s, 3H, OCH 3 ), 5.60 (s, 1H, H-6), 6.85 (s, 1H, Ar), 7.18 (m, 3H, Ar), 7.20 (s, 1H, H-3 000 ), 7.24 (d, J = 7.8 Hz, 1H, Ar), 7.29 (d, J = 7.7 Hz, 2H, H-2 0 , H-6 0 ), 7.41 (s, 1H, H-2 000 ), 7.45 (s, 1H, H-1 000 ), 7.61 (d, J = 8.2 Hz, 1H, H-4 00 ), 7.69 (d, J = 8.3 Hz, 1H, H-9 00 ), 7.82 (s, 1H, H-2 00 ), 8.33 (s, 1H, NH). 13 3-[4-(Benzooxazol-2-ylamino)-phenyl]-3-imidazol-1-yl-2,2-dimethylpropionic Acid Methyl Ester (23). Prepared by the reaction of 13 with CDI and imidazole.…”