HuagongsheHuagongshe Chemistry Print Report · For research reference only
Isopropyl chloroformate → HCID 53938262, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Isopropyl chloroformate | HCID 7917 | — |
| Reactant | 3-Hydrazino-6-chloro-indazole | HCID 21390872 | — |
| Solvent | Pyridine | HCID 1049 | — |
| Product | HCID 53938262 | HCID 53938262 | 68% |
Reaction Steps
Analogously to Example 1, 0.05 mol of 3-hydrazino-6-chloro-indazole and 0.05 mol of chlorocarbonic acid isopropyl ester in 30 ml of pyridine at 0° - 5° C, followed by 3 hours at room temperature, give 3-isopropoxycarbonylhydrazino-6-chloroindazole (melting point 184° - 185° C after recrystallisation from isopropanol: yield, 68% of theory).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04065568 |
| Source dataset | uspto-grants-1977_12 |
| ORD ID | ord-e1795c30b98844daad1e98231649caf2 |
| Source note | uspto-grants-1977_12 |