HuagongsheHuagongshe Chemistry Print Report · For research reference only
Methyl chloroformate → HCID 53848412, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Methyl chloroformate | HCID 6586 | — |
| Reactant | 3-Hydrazino-6-chloro-indazole | HCID 21390872 | — |
| Solvent | Pyridine | HCID 1049 | — |
| Product | HCID 53848412 | HCID 53848412 | 73% |
Reaction Steps
Analogously to Example 1, 0.04 mol of 3-hydrazino-6-chloro-indazole and 0.044 mol of chlorocarbonic acid methyl ester in 25 ml of pyridine at 0° - 5° C, followed by 2 hours at room temperature, give 3-methoxycarbonylhydrazino-6-chloroindazole (melting point 223°- 224° C after recrystallisation from methanol: yield, 73% of theory).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04065568 |
| Source dataset | uspto-grants-1977_12 |
| ORD ID | ord-1978c655d2d64e08886e4ea360acf239 |
| Source note | uspto-grants-1977_12 |