Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Ethanol | HCID 702 | — |
| Reactant | 4-Methoxybenzoic Acid | HCID 7478 | — |
| Reactant | HCID 20217539 | HCID 20217539 | — |
| Solvent | Water | HCID 962 | — |
| Product | HCID 20217507 | HCID 20217507 | 32.6% |
Reaction Steps
The procedure is similar to that described in Example 1, but starting with 4-methoxybenzoic acid (6.1 g), N,N'-carbonyldiimidazole (6.5 g) and 2-amino-7-(2-fluorophenoxy)-1,8-naphthyridine (7.65 g). The product produced by precipitation in water (5.5 g; m.p. 200° C.) is dissolved in boiling ethanol (180 cc). After 2 hours' cooling at 4° C., the crystallised solid is separated by filtration, washed with ethanol (2×10 cc) and dried at 40° C. under reduced pressure (0.067 kPa). N-[7-(2-fluorophenoxy)-1,8-naphthyridin-2-yl]-4-methoxybenzamide (3.8 g) is produced, m.p. 208° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US04642308 |
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| Source dataset | uspto-grants-1987_02 |
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| ORD ID | ord-82c0a26f2b3c417b8a51f130ff54901e |
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| Source note | uspto-grants-1987_02 |
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