HuagongsheHuagongshe Chemistry Print Report · For research reference only
Oxalic Acid → (E)-2-[2-(3-Furyl)ethenyl]-5-methyl-1-(2-pyridyl)-1H-benzimidazole oxalate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Oxalic Acid | HCID 971 | — |
| Reactant | (E)-1-(2-pyridyl)-2-styryl-1H-benzimidazole | HCID 9796241 | — |
| Reactant | (E)-3-(Furan-3-yl)acryloyl chloride | HCID 22736687 | — |
| Reactant | 4-methyl-2-amino-N-(2-pyridyl)aniline | HCID 22736764 | — |
| Solvent | Ethyl Acetate | HCID 8857 | — |
| Product | (E)-2-[2-(3-Furyl)ethenyl]-5-methyl-1-(2-pyridyl)-1H-benzimidazole oxalate | HCID 9800620 | — |
Reaction Steps
Free base of the titled compound was prepared from 4-methyl-2-amino-N-(2-pyridyl)aniline and (E)-3-(3-furyl)acryloyl chloride according to the preparation of (E)-1-(2-pyridyl)-2-styryl-1H-benzimidazole (Example 1, method A). The free base and oxalic acid were dissolved into ethyl acetate. Concentration and recrystallization from ethyl acetate/n-hexane yielded the titled compound.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06310079B1 |
| Source dataset | uspto-grants-2001_10 |
| ORD ID | ord-be50be5f31c547ed979ad09bb74c2756 |
| Source note | uspto-grants-2001_10 |