HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrazine hydrate (1:1) → HCID 178468816, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrazine hydrate (1:1) | HCID 24654 | — |
| Reactant | Ethyl 6-(3-methoxy-4-hydroxyphenyl)-2,4-dioxo-5-hexenoate | HCID 53979821 | — |
| Product | HCID 178468816 | HCID 178468816 | 51% |
Reaction Steps
According to the procedure of Example 1, ethyl 6-(3-methoxy-4-hydroxyphenyl)-2,4-dioxo-5-hexenoate is reacted with hydrazine hydrate to afford ethyl-3-[β-(3-methoxy-4-hydroxyphenyl)ethenyl]-1H-pyrazole-5-carboxylate in 51% yield, mp=99°-101° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04877881 |
| Source dataset | uspto-grants-1989_10 |
| ORD ID | ord-a1dc5d50b0184346b029ca502a37090b |
| Source note | uspto-grants-1989_10 |