HuagongsheHuagongshe Chemistry Print Report · For research reference only
Fumaric Acid → 3-Cyclohexyl-5-ethoxy-1,3-dihydro-1-[2-methoxy-4-[N-(2-dimethylamino-1,1-dimethylethyl)carbamoyl]benzenesulfonyl]-2H-benzimidazol-2-one fumarate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Fumaric Acid | HCID 444972 | — |
| Reactant | 3-Cyclohexyl-5-ethoxy-1,3-dihydro-1-[2-methoxy-4-[N-(2-dimethylamino-1,1-dimethylethyl)carbamoyl]benzenesulfonyl]-2H-benzimidazol-2-one | HCID 23364231 | — |
| Solvent | Acetone | HCID 180 | — |
| Product | 3-Cyclohexyl-5-ethoxy-1,3-dihydro-1-[2-methoxy-4-[N-(2-dimethylamino-1,1-dimethylethyl)carbamoyl]benzenesulfonyl]-2H-benzimidazol-2-one fumarate | HCID 23364237 | 43.8% |
Reaction Steps
A mixture of 0.48 g of the compound obtained in EXAMPLE 115, 0.05 g of fumaric acid and 15 ml of acetone is refluxed for 5 minutes. The reaction mixture is concentrated under vacuum to give 0.13 g of the expected product after crystallization from ether. M.p.=135° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05585394 |
| Source dataset | uspto-grants-1996_12 |
| ORD ID | ord-df93ffa7f877426e875d56f2fd21cad3 |
| Source note | uspto-grants-1996_12 |