Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Water | HCID 962 | — |
| Reactant | Potassium Carbonate | HCID 11430 | — |
| Reactant | 1-Iodopropane | HCID 33643 | — |
| Reactant | HCID 59222981 | HCID 59222981 | — |
| Solvent | Dimethyl Sulfoxide | HCID 679 | — |
| Product | HCID 59222959 | HCID 59222959 | 63.8% |
Reaction Steps
To a solution of 5-[2-(5,8-difluoroquinazolin-4-ylamino)-ethyl]-2-(4-trifluoromethylpyridin-2-yloxy)-phenol (0.462 g, 0.5 mmol) in DMSO (5 mL) was added 1-iodopropane (0.204 g, 1.2 mmol) and K2CO3 (0.207 g, 1.5 mmol). The reaction mixture was stirred at 50° C. overnight and then at 70° C. for another 24 h. After cooling to room temperature, the mixture was poured into water and the gum-like material was separated via suction filtration and washed with water. The gum-like product then was partitioned between CH2Cl2 and brine. The organic phase was dried over sodium sulfate and concentrated in vacuo, and the product was purified by preparative reverse phase HPLC to give 0.161 g (32%) of (5,8-difluoroquinazolin-4-yl)-{2-[3-propoxy-4-(4-trifluoromethylpyridin-2-yloxy)-phenyl]-ethyl}-amine as a brown gum; MS m/z 504. 1H NMR (CDCl3): δ 8.68 (s, 1H), 8.26 (d, J=4.8 Hz, 1H), 7.33 (m, 1H), 7.08-7.15 (m, 3H), 6.87-7.03 (m, 3H), 6.70-6.83 (br, 1H), 3.89-3.97 (m, 2H), 3.80-3.86 (m, 2H), 3.02 (t, J=6.9 Hz, 2H), 1.51 (m, 2H), 0.66 (t, J=7.2 Hz, 3H). LC/MS: 506.10 (M++1).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08268843B2 |
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| Source dataset | uspto-grants-2012_09 |
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| ORD ID | ord-922fcf9af88c4893a2021d51b9166136 |
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| Source note | uspto-grants-2012_09 |
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