1-Hydroxybenzotriazole → Methyl (2R)-3-{[4-({3-cyclohexyl-5-[4-(trifluoromethoxy)phenyl]-1H-pyrazol-1-YL}methyl)benzoyl]amino}-2-hydroxypropanoate
Reaction equation
[CH:1]1([C:7]2[CH:11]=[C:10]([C:12]3[CH:17]=[CH:16][C:15]([O:18][C:19]([F:22])([F:21])[F:20])=[CH:14][CH:13]=3)[N:9]([CH2:23][C:24]3[CH:32]=[CH:31][C:27]([C:28](O)=[O:29])=[CH:26][CH:25]=3)[N:8]=2)[CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]1.C1C=CC2N(O)N=NC=2C=1.Cl.[NH2:44][CH2:45][C@@H:46]([OH:51])[C:47]([O:49][CH3:50])=[O:48].CCN(C(C)C)C(C)C>CN(C=O)C.C(Cl)CCl>[CH:1]1([C:7]2[CH:11]=[C:10]([C:12]3[CH:13]=[CH:14][C:15]([O:18][C:19]([F:21])([F:20])[F:22])=[CH:16][CH:17]=3)[N:9]([CH2:23][C:24]3[CH:32]=[CH:31][C:27]([C:28]([NH:44][CH2:45][C@@H:46]([OH:51])[C:47]([O:49][CH3:50])=[O:48])=[O:29])=[CH:26][CH:25]=3)[N:8]=2)[CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]1Participants
7
Reactant 4
Product 1
Reagents, catalysts & solvents 2
Procedure
A solution of 24.6 mg product from Step A Example 6, 15.9 mg EDC, 11.2 mg HOBt, 17.2 mg methyl (2R)-3-amino-2-hydroxypropanoate hydrochloride from Step C Example 4 and 39 μL DIEA in 0.5 mL DMF was stirred at room temperature over night. The title compound was isolated by preparative HPLC using 55˜75% MeCN gradient over 10 minutes at 8.0 mL per minute with 0.1% TFA on a 9.4×250 mm SB-C18 Zorbax column as a white solid after lyophilization. LC-MS: 2.55 min. (M+H=546.3).
Sources & evidence
- ORD record
- ord-83da0f91451b4b8a8636bbefc1080c82
- Source dataset
- uspto-grants-2011_08
- Patent number
- US07989475B2
Reaction notes
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