HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 919721Generated: October 30, 2026
Acetic Acid → 7-Benzyl-4-hydroxy-8-oxo-7,8-dihydro-[2,7]naphthyridine-3-carboxylic acid (pyridin-4-ylmethyl)-amide
https://huagongshe.com/reaction/919721
Participants
| Role | Name | HCID | Charge |
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| Reactant | Acetic Acid | HCID 176 | — |
| Reactant | Water | HCID 962 | — |
| Reactant | 4-Pyridinemethanamine | HCID 77317 | — |
| Reactant | 7-Benzyl-4-hydroxy-8-oxo-7,8-dihydro-[2,7]naphthyridine-3-carboxylic acid methyl ester | HCID 68297735 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | 7-Benzyl-4-hydroxy-8-oxo-7,8-dihydro-[2,7]naphthyridine-3-carboxylic acid (pyridin-4-ylmethyl)-amide | HCID 60150847 | 65.7% |
Reaction Steps
A mixture of 7-benzyl-4-hydroxy-8-oxo-7,8-dihydro-[2,7]naphthyridine-3-carboxylic acid methyl ester (40 mg, 0.13 mmol) and 4-(aminomethyl)-pyridine (0.050 mL, 0.45 mmol) in 2 mL of EtOH was heated at 79° C. for 4 h. Acetic acid (0.1 mL) and water (3 mL) were added, and the resulting suspension was allowed to come to r.t. The solid was isolated by filtration and dried under high vacuum to afford 33 mg of the title compound as a light yellow solid. MS: (+) m/z 386.40 (M+1).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US09271970B2 |
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| Source dataset | uspto-grants-2016_03 |
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| ORD ID | ord-c9e8425ceb294867b17e0e4e8c816fa3 |
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| Source note | uspto-grants-2016_03 |
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