HuagongsheHuagongshe Chemistry Print Report · For research reference only
Water → 6,7-Dimethyl-1-(6-methyl-pyridin-2-ylmethyl)-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Water | HCID 962 | — |
| Reactant | Lithium Hydroxide | HCID 3939 | — |
| Reactant | 6,7-Dimethyl-1-(6-methyl-pyridin-2-ylmethyl)-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid ethyl ester | HCID 57754704 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | 6,7-Dimethyl-1-(6-methyl-pyridin-2-ylmethyl)-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid | HCID 57754570 | 85.6% |
Reaction Steps
Experimental conditions analogous to those described for Step 4 of Example 60 were used with 1.60 g (4.55 mmol) of 6,7-Dimethyl-1-(6-methyl-pyridin-2-ylmethyl)-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid ethyl ester, 0.33 g (13.66 mmol) of lithium hydroxide, 100 mL of water and 50 mL of methanol to afford 1.26 g of 6,7-Dimethyl-1-(6-methyl-pyridin-2-ylmethyl)-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07557213B2 |
| Source dataset | uspto-grants-2009_07 |
| ORD ID | ord-5ab22f25804c43f0aa4af11f55db803d |
| Source note | uspto-grants-2009_07 |