Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Water | HCID 962 | — |
| Reactant | Lithium hydride | HCID 62714 | — |
| Reactant | 4-Chloro-2,6-dimethoxypyrimidine | HCID 80600 | — |
| Reactant | 6-Chloro-1,3-dihydroindol-2-one | HCID 736344 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | HCID 57803044 | HCID 57803044 | — |
Reaction Steps
To a suspension of 6-chlorooxindole (0.94 g, 5.34 mmol) (Cresent Chem.) in N,N-dimethylformamide (20 mL) at room temperature was added lithium hydride (86 mg, 10.7 mmol) (Aldrich). The mixture was stirred at room temperature for 10 minutes, then 6-chloro-2,4-dimethoxy-pyrimidine (0.93 g, 5.34 mmol) (Aldrich) was added. The reaction mixture was heated at 110° C. for 3 hours. The mixture was cooled to room temperature. Water (100 mL) was added, and mixture was extracted with ethyl acetate (2×100 mL). The organic layers were separated, combined, washed with water, brine, dried over Na2SO4 and concentrated. The residue was purified by chromatography (ethyl acetate) to give rac-6-chloro-3-(2,6-dimethoxy-pyrimidin-4-yl)-1,3-dihydro-indol-2-one as a brown solid. (Yield 0.23 g, 14%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US07576082B2 |
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| Source dataset | uspto-grants-2009_08 |
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| ORD ID | ord-4481670591ff43658afb3d970e57db57 |
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| Source note | uspto-grants-2009_08 |
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