4-Pyridineacetic acid → (R)-1-(2-(((4-amino-2,2-dioxido-1H-benzo[c][1,2,6]thiadiazin-5-yl)oxy)methyl)piperidin-1-yl)-2-(pyridin-4-yl)ethanone

Participants

Reaction Steps

Prepared as in Example 15 from (R)-2-(((4-amino-2,2-dioxido-1H-benzo[c][1,2,6]thiadiazin-5-yl)oxy)methyl)piperidinium hydrochloride (Example 15a) and 2-(pyridin-4-yl)acetic acid in 27% yield. 1H NMR (DMSO-d6, 400 MHz, 80° C.): 1.21-1.37 (m, 1H), 1.48-1.70 (m, 4H), 1.71-1.82 (m, 1H), 3.01 (m, 1H), 3.78 (br s, 3H), 4.22 (br s, 1H), 4.43 (t, J=8 Hz, 1H), 5.05 (br s, 1H), 6.64 (d, J=8 Hz, 1H), 6.82 (d, J=8 Hz, 1H), 7.21 (d, J=8 Hz, 2H), 7.42 (t, J=8 Hz, 1H), 7.82 (br s, 2H), 8.43 (d, J=8 Hz, 2H), 10.67 (s, 1H). M+H=430.

Provenance & Evidence