The title compound was prepared according to the procedure described in the preparation of tert-butyl 2-(3-(4-((2-((2S)-bicyclo[2.2.1]heptan-2-ylamino)-5-methyl-4-oxo-4,5-dihydrothiazol-5-yl)methyl)piperidine-1-carbonyl)phenoxy)ethylcarbamate by using 5-((1-(3-(2-aminoethoxy)benzoyl)piperidin-4-yl)methyl)-2-((2S)-bicyclo[2.2.1]heptan-2-ylamino)-5-methylthiazol-4(5H)-one (93 mg, 0.19 mmol), 3-furoic acid (Aldrich, 39 mg, 0.35 mmol), EDCI (Aldrich, 74 mg, 0.38 mmol), HOBt (Aldrich, 5.2 mg, 0.038 mmol) and triethylamine (Aldrich, 39 mg, 0.38 mmol, 2.0 eq). The title compound was obtained as an off-white solid (89 mg). MS (ESI, pos. ion) m/z. 579 (M+H).
