2-(Piperazin-1-yl)pyridine-5-boronic acid, pinacol ester → HCID 54596299, Verbindung

Beteiligte Stoffe

Reaktionsschritte

The title compound was prepared in a similar manner as described for example 8 from 6-bromo-3-methyl-1-(1-methylethyl)-N-[(6-methyl-2-oxo-4-propyl-1,2-dihydro-3-pyridinyl)methyl]-1H-indazole-4-carboxamide (65 mg, 0.141 mmol) and 1-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-pyridinyl]piperazine (61 mg, 0.212 mmol). The product was collected as a white solid (54 mg, 49%). 1H NMR (400 MHz, DMSO-d6) δ ppm 11.54 (br. s., 1H) 8.49-8.63 (m, 2H) 8.43 (br. s., 1H) 7.97 (dd, J=8.84, 2.53 Hz, 1H) 7.89 (s, 1H) 7.32 (s, 1H) 6.87-6.96 (m, 1H) 5.91 (s, 1H) 5.03 (dt, J=13.07, 6.47 Hz, 1H) 4.38 (d, J=4.55 Hz, 2H) 3.40-3.61 (m, 5H) 2.77-2.82 (m, 3H) 2.53-2.57 (m, 2H) 2.43 (s, 3H) 2.13 (s, 3H) 1.53-1.60 (m, 2H) 1.46 (s, 3H) 1.44 (s, 3H) 0.93 (t, J=7.33 Hz, 3H); LC-MS (ES) m/z=542.2 [M+H]+

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