HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ethyl Bromide → Pyrido(4,3-c)pyridazine-6(5H)-carboxylic acid, 7,8-dihydro-3-hydrazino-, ethyl ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ethyl Bromide | HCID 6332 | — |
| Reactant | HCID 54200117 | HCID 54200117 | — |
| Reactant | HCID 178473320 | HCID 178473320 | — |
| Product | Pyrido(4,3-c)pyridazine-6(5H)-carboxylic acid, 7,8-dihydro-3-hydrazino-, ethyl ester | HCID 217824 | — |
Reaction Steps
The 3-ethylmercapto-5,6,7,8-tetrahydro-6-pyrido[4,3-c]pyridazinecarboxylic acid ethyl ester, required as starting material, may be obtained in a manner analogous to that described in Example 41 (b), from 5,6,7,8-tetrahydro-3-mercapto-6-pyrido[4,3-c]pyridazinecarboxylic acid ethyl ester and ethyl bromide. M.P. 54°-56° from ligroin.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US03954754 |
| Source dataset | uspto-grants-1976_05 |
| ORD ID | ord-5c19345fabc040b19af6eedc111bafd5 |
| Source note | uspto-grants-1976_05 |