HuagongsheHuagongshe Chemistry Print Report · For research reference only
Dichloromethane → 5-n-Butyl-2-[2-chloro-5-(methoxycarbonyl)phenyl]-2,4-dihydro-3H-1,2,4-triazol-3-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Dichloromethane | HCID 6344 | — |
| Reactant | Methyl 4-chloro-3-hydrazinylbenzoate | HCID 292358 | — |
| Reactant | ethyl N-carbethoxyvalerimidate | HCID 53930077 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | 5-n-Butyl-2-[2-chloro-5-(methoxycarbonyl)phenyl]-2,4-dihydro-3H-1,2,4-triazol-3-one | HCID 135720082 | 37% |
Reaction Steps
By the procedure of Example 4, Step C, the title compound was prepared from methyl 4-chloro-3-hydrazinobenzoate (from Step B) and ethyl N-carbethoxyvalerimidate (from Example 4, Step B) in 37% yield as an orange gum (TLC in 95:5 CH2Cl2 --MeOH), mass spectrum (FAB) m/e 310 (M+1)+.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05411980 |
| Source dataset | uspto-grants-1995_05 |
| ORD ID | ord-f823704f88f141b384feb5badfe9a1a0 |
| Source note | uspto-grants-1995_05 |