HuagongsheHuagongshe Chemistry Print Report · For research reference only
1-Ethylpiperazine → HCID 3071010, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1-Ethylpiperazine | HCID 79196 | — |
| Reactant | Fumaric Acid | HCID 444972 | — |
| Reactant | 2-chloro-1-(2-ethoxyethyl)-1H-benzimidazole | HCID 10489356 | — |
| Product | HCID 3071010 | HCID 3071010 | — |
Reaction Steps
In the same manner as described in Example 1 using 2-chloro-1-[2-(ethoxy)ethyl]benzimidazole (5.00 g), N-ethylpiperazine (5.10 g) and fumaric acid (2.91 g), there are obtained curde crystals, which are recrystallized from ethyl acetate-ethanol to give 1-[2-(ethoxy)ethyl]-2-(4-ethyl-1-piperazinyl)benzimidazole.3/2 fumarate (5.62 g) as colorless needles, m.p. 134°-135.5° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04430343 |
| Source dataset | uspto-grants-1984_02 |
| ORD ID | ord-d3ef0a3e499c4ad2b2ce50c0fbccfde5 |
| Source note | uspto-grants-1984_02 |