Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Triethylamine | HCID 8471 | — |
| Reactant | Chlorosuccinimide | HCID 31398 | — |
| Reactant | 2-Amino-N-(2,2,2-trifluoroethyl)acetamide | HCID 24705143 | — |
| Reactant | 2-Methyl-4-[5-trifluoromethyl-5-(3-trifluoromethyl-phenyl)-4,5-dihydro-isoxazol-3-yl]-benzaldehyde oxime | HCID 137195734 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | HCID 178423541 | HCID 178423541 | 43% |
Reaction Steps
To a solution of 2-Methyl-4-[5-trifluoromethyl-5-(3-trifluoromethyl-phenyl)-4,5-dihydro-isoxazol-3-yl]-benzaldehyde oxime (250 mg) in DMF (8 mL) was added N-chloro succinimide (84 mg) and heated to 75° C. for 1 h. After cooling, the reaction mixture was poured onto water and extracted with EtOAc. The combined organic layers were dried (Na2SO4) and concentrated in vacuo to ¼ of the original volume to obtain the crude hydroxamic acid chloride. This mixture was added to a solution of 2-amino-N-(2,2,2-trifluoro-ethyl)-acetamide (116 mg) and triethylamine (0.30 mL, 0.21 g) in THF (8 mL) and stirred at room temperature over night. After concentration in vacuo, the mixture was purified by chromatography on silica gel to obtain the title compound (146 mg, 43%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08633134B2 |
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| Source dataset | uspto-grants-2014_01 |
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| ORD ID | ord-a6e347dba44d4beabc58fc6a6665a1f4 |
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| Source note | uspto-grants-2014_01 |
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