HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrazine hydrate (1:1) → 6,6-Dimethyl-3-(5-methyl-1-phenyl-1H-pyrazol-4-yl)-6,7-dihydro-5H-cyclopenta[c]pyridazine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrazine hydrate (1:1) | HCID 24654 | — |
| Reactant | 4,4-Dimethylcyclopentane-1,2-dione | HCID 14289654 | — |
| Reactant | [2-(5-Methyl-1-phenyl-1H-pyrazol-4-yl)-2-oxo-ethyl]-phosphonic acid dimethyl ester | HCID 86609911 | — |
| Product | 6,6-Dimethyl-3-(5-methyl-1-phenyl-1H-pyrazol-4-yl)-6,7-dihydro-5H-cyclopenta[c]pyridazine | HCID 16063710 | — |
Reaction Steps
light yellow crystalline solid. MS (ESI): 305.2 (MH+). Prepared from 4,4-dimethyl-cyclopentane-1,2-dione (synthesis described in: J. Chem. Soc., 121, 1922, p523), [2-(5-Methyl-1-phenyl-1H-pyrazol-4-yl)-2-oxo-ethyl]-phosphonic acid dimethyl ester, hydrazine monohydrate.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07678795B2 |
| Source dataset | uspto-grants-2010_03 |
| ORD ID | ord-ddd825dfbd8244ac8d922177caa0249f |
| Source note | uspto-grants-2010_03 |