Cesium carbonate → (S)-2-benzyl 3-ethyl 8-(2-amino-6-((R)-2,2,2-trifluoro-1-(3-(3-methyl-1H-pyrazol-1-yl)-[1,1'-biphenyl]-4-yl)ethoxy)pyrimidin-4-yl)-2,8-diazaspiro[4.5]decane-2,3-dicarboxylate
Reaction equation
[NH2:1][C:2]1[N:7]=[C:6]([N:8]2[CH2:32][CH2:31][C:11]3([CH2:15][N:14]([C:16]([O:18][CH2:19][C:20]4[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=4)=[O:17])[C@H:13]([C:26]([O:28][CH2:29][CH3:30])=[O:27])[CH2:12]3)[CH2:10][CH2:9]2)[CH:5]=[C:4]([O:33][C@H:34]([C:39]2[CH:44]=[CH:43][C:42](Br)=[CH:41][C:40]=2[N:46]2[CH:50]=[CH:49][C:48]([CH3:51])=[N:47]2)[C:35]([F:38])([F:37])[F:36])[N:3]=1.[C:52]1(B(O)O)[CH:57]=[CH:56][CH:55]=[CH:54][CH:53]=1.C([O-])([O-])=O.[Cs+].[Cs+]>C(O)C.O.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1>[NH2:1][C:2]1[N:7]=[C:6]([N:8]2[CH2:32][CH2:31][C:11]3([CH2:15][N:14]([C:16]([O:18][CH2:19][C:20]4[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=4)=[O:17])[C@H:13]([C:26]([O:28][CH2:29][CH3:30])=[O:27])[CH2:12]3)[CH2:10][CH2:9]2)[CH:5]=[C:4]([O:33][C@H:34]([C:39]2[CH:44]=[CH:43][C:42]([C:52]3[CH:57]=[CH:56][CH:55]=[CH:54][CH:53]=3)=[CH:41][C:40]=2[N:46]2[CH:50]=[CH:49][C:48]([CH3:51])=[N:47]2)[C:35]([F:38])([F:37])[F:36])[N:3]=1Participants
7
Reactant 3
Product 1
Reagents, catalysts & solvents 3
Conditions
- Temperature
- 60 °C
Procedure
To a solution of (S)-2-benzyl 3-ethyl 8-(2-amino-6-((R)-1-(4-bromo-2-(3-methyl-1H-pyrazol-1-yl)phenyl)-2,2,2-trifluoroethoxy)pyrimidin-4-yl)-2,8-diazaspiro[4.5]decane-2,3-dicarboxylate (300 mg, 0.4 mmol, Step 2) in ethanol (2 mL) and water (0.5 mL) was added phenylboronic acid (143 mg, 0.8 mmol), PdCl2(PPh3)2 (41 mg, 0.058 mmol), and Cs2CO3 (390 mg, 1.2 mmol). The reaction was heated to 60° C. for 16 h, then cooled to RT, filtered through celite and concentrated in vacuo. Purification by normal phase silica gel column (EtOAc/heptane) provided (S)-2-benzyl 3-ethyl 8-(2-amino-6-((R)-2,2,2-trifluoro-1-(3-(3-methyl-1H-pyrazol-1-yl)-[1,1′-biphenyl]-4-yl)ethoxy)pyrimidin-4-yl)-2,8-diazaspiro[4.5]decane-2,3-dicarboxylate as a white solid.
Workup
- temperaturecooled to RT
- filtrationfiltered through celite and
- concentrationconcentrated in vacuo
- customPurification by normal phase silica gel column (EtOAc/heptane)
Sources & evidence
- ORD record
- ord-01c8ff21c3b74d1fbf4df6acb0a4e185
- Source dataset
- uspto-grants-2015_12
- Patent number
- US09199994B2
Reaction notes
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