HuagongsheHuagongshe Chemistry Print Report · For research reference only
1,2-dimethyl-5,6-dinitrobenzimidazole → 1,2-Dimethyl-1H-benzo[d]imidazole-5,6-diamine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1,2-dimethyl-5,6-dinitrobenzimidazole | HCID 2729273 | — |
| Catalyst | Palladium | HCID 23938 | — |
| Solvent | Acetic Acid | HCID 176 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | 1,2-Dimethyl-1H-benzo[d]imidazole-5,6-diamine | HCID 5297144 | 95.7% |
Reaction Steps
Pure 1,2-dimethyl 5,6-dinitro benzimidazole (0.7 grams) and 0.2 grams Pd/C in 20 ml ethanol and 20 ml glacial acetic acid were hydrogenated for 4 hours. Filtering and evaporating resulted in 0.5 grams, 95% yield of a white solid having a melting point of 212° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06673798B2 |
| Source dataset | uspto-grants-2004_01 |
| ORD ID | ord-1d2f3557b88a4d688a15b89209585ff1 |
| Source note | uspto-grants-2004_01 |