HuagongsheHuagongshe Chemistry Print Report · For research reference only
Sodium Hydroxide → HCID 135984744, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Sodium Hydroxide | HCID 14798 | — |
| Reactant | Furo[3,4-c]pyridazine-5,7-dione | HCID 45082029 | — |
| Reactant | HCID 135984737 | HCID 135984737 | — |
| Product | HCID 135984744 | HCID 135984744 | — |
Reaction Steps
As shown in Example 1, furo[3,4-c]pyridazine-5,7-dione 1.4 (WO 994492) is converted, as described above, into 8-hydroxy-pyrido[4,3-c]pyridazine-7-carboxylic acid methyl ester 1.5, and the ester is hydrolyzed with sodium hydroxide to give 8-hydroxy-pyrido[4,3-c]pyridazine-7-carboxylic acid 1.6.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07462721B2 |
| Source dataset | uspto-grants-2008_12 |
| ORD ID | ord-57250bf7061b4f0b96036dc0c9a495b2 |
| Source note | uspto-grants-2008_12 |