HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrazine hydrate (1:1) → HCID 67548783, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrazine hydrate (1:1) | HCID 24654 | — |
| Reactant | HCID 67549569 | HCID 67549569 | — |
| Solvent | 1-Butanol | HCID 263 | — |
| Product | HCID 67548783 | HCID 67548783 | 62% |
Reaction Steps
As described for example 112a, (3-bromo-2-oxo-2H-pyridin-1-yl)-acetic acid ethyl ester in butanol was reacted with hydrazine hydrate (1.2 equivalents) at reflux for 16 h. The precipitate was filtered and triturated with hot methanol to afford the title compound as an off-white solid (yield: 62%). MS: m/e=244.2/246.2 [M−H]−.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07507729B2 |
| Source dataset | uspto-grants-2009_03 |
| ORD ID | ord-85bae26dc8f64b46b36b6910f0c0b0d1 |
| Source note | uspto-grants-2009_03 |