6-chloro-N-methyl-N-(2,2,6,6-tetramethylpiperidin-4-yl)pyridazin-3-amine → HCID 136377150, compound

HRID 1027215Notes

Reaction equation

HRID 1027215 reaction equation
[CH2:1]([O:8][C:9]1[CH:18]=[C:17]2[C:12]([CH:13]=[CH:14][C:15]([OH:19])=[CH:16]2)=[CH:11][C:10]=1B1OC(C)(C)C(C)(C)O1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.Cl[C:30]1[N:35]=[N:34][C:33]([N:36]([CH3:47])[CH:37]2[CH2:42][C:41]([CH3:44])([CH3:43])[NH:40][C:39]([CH3:46])([CH3:45])[CH2:38]2)=[CH:32][CH:31]=1>>[CH2:1]([O:8][C:9]1[CH:18]=[C:17]2[C:12]([CH:13]=[CH:14][C:15]([OH:19])=[CH:16]2)=[CH:11][C:10]=1[C:30]1[N:35]=[N:34][C:33]([N:36]([CH3:47])[CH:37]2[CH2:42][C:41]([CH3:43])([CH3:44])[NH:40][C:39]([CH3:46])([CH3:45])[CH2:38]2)=[CH:32][CH:31]=1)[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1

Participants

3

Procedure

7-(Benzyloxy)-6-(6-(methyl(2,2,6,6-tetramethylpiperidin-4-yl)amino)pyridazin-3-yl)naphthalen-2-ol (1.25 g, 2.366 mmol, 89% yield) was prepared from the 7-(benzyloxy)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)naphthalen-2-ol (1.45 g, 3.85 mmol) and Intermediate 1-1 (0.75 g, 2.65 mmol) using General method 1-1 for Suzuki coupling. M+1=497.8. 1H NMR (400 MHz, METHANOL-d4) δ 7.91 (s, 1H), 7.76 (d, J=9.54 Hz, 2H), 7.66 (d, J=8.78 Hz, 2H), 7.34-7.40 (m, 2H), 7.31 (s, 2H), 7.18-7.27 (m, 2H), 6.97-7.05 (m, 2H), 6.91 (dd, J=8.78, 2.26 Hz, 1H), 5.18 (m, 3H), 2.92 (s, 3H), 1.60-1.68 (m, 2H), 1.45-1.55 (m, 2H), 1.32 (s, 6H), 1.18 (s, 6H).

Sources & evidence

ORD record
ord-863f62f6c8464d0098e43994a403fd3c
Source dataset
uspto-grants-2014_05
Patent number
US08729263B2

Reaction notes

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