HuagongsheHuagongshe Chemistry Print Report · For research reference only
Trifluoroacetic acid → HCID 59481319, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Trifluoroacetic acid | HCID 6422 | — |
| Reactant | Diisopropylethylamine | HCID 81531 | — |
| Reactant | Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1) | HCID 9886157 | — |
| Reactant | (2S)-2-((methoxycarbonyl)amino)-3-methylbutanoic acid | HCID 10942966 | — |
| Reactant | HCID 24898195 | HCID 24898195 | — |
| Solvent | Methanol | HCID 887 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Solvent | Acetonitrile--water (1/1) | HCID 18373917 | — |
| Product | HCID 59481319 | HCID 59481319 | 32.5% |
Reaction Steps
To a solution of the TFA salt of (S)-3-methyl-2-(pyrimidin-2-ylamino)-1-((S)-2-(5-(4′-(2-((S)-pyrrolidin-2-yl)-1H-imidazol-5-yl)biphenyl-4-yl)-1H-imidazol-2-yl)pyrrolidin-1-yl)butan-1-one (cj-10) (0.208 g, 0.197 mmol) in DMF (4 mL) was added iPr2NEt (0.20 mL, 1.15 mmol), (S)-2-(methoxycarbonylamino)-3-methylbutanoic acid (0.049 g, 0.28 mmol) and HATU (0.105 g, 0.276 mmol). The solution was stirred for 1.5 h at room temperature, diluted with MeOH (2 mL) and purified directly by prep HPLC (Luna 5 u C18/MeCN—H2O—NH4OAc). This material was repurified by flash chromatography (SiO2/2-10% MeOH—CH2Cl2) to give a solid which was lyophilized from CH3CN—H2O to give the title compound (48.6 mg, 32%) as a colourless solid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09018390B2 |
| Source dataset | uspto-grants-2015_04 |
| ORD ID | ord-b59dda40178d43cc8fedd8c6323b849f |
| Source note | uspto-grants-2015_04 |