Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Morpholine | HCID 8083 | — |
| Reactant | Binap, (A+-)- | HCID 634876 | — |
| Reactant | Sodium t-butoxide | HCID 23676156 | — |
| Reactant | HCID 118431899 | HCID 118431899 | — |
| Catalyst | Bis(dibenzylideneacetone)palladium | HCID 9811564 | — |
| Solvent | Toluene | HCID 1140 | — |
| Product | HCID 118432114 | HCID 118432114 | 21.7% |
Reaction Steps
5-(3-Bromo-phenyl)-1-(2,4-difluoro-phenyl)-3-pentafluoroethyl-4,5-dihydro-1H-pyrazole (30.0 mg, 0.07 mmol) prepared in Step 2 of Preparation 5, morpholine (17.2 mg, 0.20 mmol), Pd2(dba)3 (3.0 mg, cat.), BINAP (4.1 mg, cat.) and sodium t-butoxide (9.5 mg, 0.10 mmol) were added to toluene (1.0 mL). The reaction mixture was stirred at 100° C. for 12 hours and then filtered through celite pad. A saturated solution of ammonium chloride was added to the filtrate, which was then extracted with ethyl acetate three times. The combined extract was washed with brine, dried on anhydrous magnesium sulfate, and then concentrated under reduced pressure to give a yellow liquid residue. The resulting residue was purified by silica gel column chromatography (eluent: ethyl acetate/n-hexane=1/2) to give 7.0 mg of the titled compound as a yellow liquid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US09376420B2 |
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| Source dataset | uspto-grants-2016_06 |
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| ORD ID | ord-0aaeebe414bb49f08f1059667157f08f |
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| Source note | uspto-grants-2016_06 |
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