[Cl:1][C:2]1[CH:3]=[C:4]([CH:8]=[CH:9][N:10]=1)[C:5]([OH:7])=O.[NH:11]1[CH2:16][CH2:15][CH2:14][CH2:13][CH2:12]1.CCN(C(C)C)C(C)C.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN=C=NCCCN(C)C>C(Cl)Cl>[Cl:1][C:2]1[CH:3]=[C:4]([C:5]([N:11]2[CH2:16][CH2:15][CH2:14][CH2:13][CH2:12]2)=[O:7])[CH:8]=[CH:9][N:10]=1To 2-chloroisonicotinic acid (1.0 g, 6.35 mmol) in dry CH2Cl2 (50 mL) was added piperidine (1.3 mL, 12.69 mmol), DIEA (2.2 mL, 12.69 mmol), HATU (1.2 g, 3.17 mmol), and EDCI (1.3 g, 6.98 mmol). The mixture was stirred under N2 at RT for 15 h. Solvent was removed and the crude compound was purified by chromatography on silica gel. Elution with hexane:acetone mixture (80:20) gave a white solid. MS m/z: 225.1 (M+H). Calc'd. for C11H13ClN2O-224.07.
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