HuagongsheHuagongshe Chemistry Print Report · For research reference only
Methylhydrazine → 3-Amino-1-methyl-5-methylsulfanyl-1H-pyrazole-4-carbonitrile
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Methylhydrazine | HCID 6061 | — |
| Reactant | 2-(Bis(methylsulfanyl)methylidene)propanedinitrile | HCID 99229 | — |
| Solvent | Water | HCID 962 | — |
| Product | 3-Amino-1-methyl-5-methylsulfanyl-1H-pyrazole-4-carbonitrile | HCID 2819539 | — |
Reaction Steps
9.63 g (56.6 mmol) [Bis(methylmercapto)methylene]-malononitrile was suspended in 50 ml water and treated with 3.7 ml (67.9 mmol) methylhydrazine. The mixture was heated at boiling for 1 hour, the reaction solution cooled, the precipitate suction filtered and recrystallised from ethanol.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05869686 |
| Source dataset | uspto-grants-1999_02 |
| ORD ID | ord-507da0fb6fbf4503b91cb0978cda6a32 |
| Source note | uspto-grants-1999_02 |