HuagongsheHuagongshe Chemistry Print Report · For research reference only
1,6-dimethyl-2-(1-methoxyethyl)-3-benzyloxy-pyridin-4(1H)-one hydrochloride → 1,6-Dimethyl-2-(1-methoxyethyl)-3-hydroxy-pyridin-4(1H)-one hydrochloride
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1,6-dimethyl-2-(1-methoxyethyl)-3-benzyloxy-pyridin-4(1H)-one hydrochloride | HCID 18678796 | — |
| Reactant | 1,6-Dimethyl-2-methoxymethyl-3-hydroxy-pyridin-4(1H)-one hydrochloride | HCID 18678824 | — |
| Catalyst | Palladium | HCID 23938 | — |
| Product | 1,6-Dimethyl-2-(1-methoxyethyl)-3-hydroxy-pyridin-4(1H)-one hydrochloride | HCID 18678790 | 90% |
Reaction Steps
In an analogous hydrogenation procedure in the preparation of 1,6-dimethyl-2-methoxymethyl-3-hydroxy-pyridin-4(1H)-one hydrochloride using 1,6-dimethyl-2-(1-methoxyethyl)-3-benzyloxy-pyridin-4(1H)-one hydrochloride (1.62 g, 5 mmol) and 5% Pd/C catalyst (0.35 g) yield the title compound 1.06 g (90%) after recrystallisation from methanol/diethyl ether, as a white crystalline solid. m.p. 205-207° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06448273B1 |
| Source dataset | uspto-grants-2002_09 |
| ORD ID | ord-eaecdca0c7054fda9bf2a58aede5d0d5 |
| Source note | uspto-grants-2002_09 |