3-cyclopentyl-2-[6-oxo-4-(2-trifluoromethyl-benzyl)-6H-pyridazin-1-yl]-propionic acid → 3-cyclopentyl-N-[1-(2-hydroxy-2-methyl-propyl)-1H-pyrazol-3-yl]-2-[6-oxo-4-(2-trifluoromethyl-benzyl)-6H-pyridazin-1-yl]-propionamide

HRID 2381452Notes

Reaction equation

HRID 2381452 reaction equation
[CH:1]1([CH2:6][CH:7]([N:11]2[C:16](=[O:17])[CH:15]=[C:14]([CH2:18][C:19]3[CH:24]=[CH:23][CH:22]=[CH:21][C:20]=3[C:25]([F:28])([F:27])[F:26])[CH:13]=[N:12]2)[C:8](O)=[O:9])[CH2:5][CH2:4][CH2:3][CH2:2]1.[NH2:29][C:30]1[CH:34]=[CH:33][N:32]([CH2:35][C:36]([CH3:39])([OH:38])[CH3:37])[N:31]=1>>[CH:1]1([CH2:6][CH:7]([N:11]2[C:16](=[O:17])[CH:15]=[C:14]([CH2:18][C:19]3[CH:24]=[CH:23][CH:22]=[CH:21][C:20]=3[C:25]([F:27])([F:26])[F:28])[CH:13]=[N:12]2)[C:8]([NH:29][C:30]2[CH:34]=[CH:33][N:32]([CH2:35][C:36]([OH:38])([CH3:37])[CH3:39])[N:31]=2)=[O:9])[CH2:2][CH2:3][CH2:4][CH2:5]1

Participants

3

Reactant 2

HCID 579192923-cyclopentyl-2-[6-oxo-4-(2-trifluoromethyl-benzyl)-6H-pyridazin-1-yl]-propionic acid2×HCID 593449381-(3-amino-1H-pyrazol-1-yl)-2-methylpropan-2-ol2×

Product 1

HCID 689894573-cyclopentyl-N-[1-(2-hydroxy-2-methyl-propyl)-1H-pyrazol-3-yl]-2-[6-oxo-4-(2-trifluoromethyl-benzyl)-6H-pyridazin-1-yl]-propionamideYield 61%

Procedure

Using the method described in Example 17, 3-cyclopentyl-2-[6-oxo-4-(2-trifluoromethyl-benzyl)-6H-pyridazin-1-yl]-propionic acid (Intermediate 63) and 1-(3-amino-pyrazol-1-yl)-2-methyl-propan-2-ol (Intermediate 1) afforded 3-cyclopentyl-N-[1-(2-hydroxy-2-methyl-propyl)-1H-pyrazol-3-yl]-2-[6-oxo-4-(2-trifluoromethyl-benzyl)-6H-pyridazin-1-yl]-propionamide as an off-white solid (77 mg, 61%); ES+-HRMS m/e calcd for C27H32N5O3F3 [M+H+] 532.2530, found 532.2530. 1H-NMR (300 MHz, DMSO-d6) δ ppm 1.04 (s, 3H), 1.06 (s, 3H), 1.08 (m, 1H), 1.21-1.74 (m, 8H), 1.90 (m, 1H), 2.26 (m, 1H), 3.88 (s, 2H), 4.09 (s, 2H), 4.66 (s, 1H), 5.46 (dd, J=3.9, J=10.6 Hz, 1H), 6.29-6.42 (m, 2H), 7.38-7.59 (m, 3H), 7.70 (t, J=7.4 Hz, 1H), 7.79 (d, J=7.4 Hz, 1H), 7.92 (d, J=2.1 Hz, 1H), 10.79 (s, 1H).

Sources & evidence

ORD record
ord-250c3022c96b4ceda3093258e935b11d
Source dataset
uspto-grants-2012_09
Patent number
US08258134B2

Reaction notes

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