HuagongsheHuagongshe Chemistry Print Report · For research reference only
Piperazine → HCID 3071008, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Piperazine | HCID 4837 | — |
| Reactant | Fumaric Acid | HCID 444972 | — |
| Reactant | 2-chloro-1-(2-ethoxyethyl)-1H-benzimidazole | HCID 10489356 | — |
| Product | HCID 3071008 | HCID 3071008 | — |
Reaction Steps
In the same manner as described in Example 1 using 2-chloro-1-[2-(ethoxy)ethyl]benzimidazole (5.00 g), piperazine (19.00 g) and fumaric acid (3.19 g), there are obtained crude crystals, which are recrystallized from ethyl acetate-ethanol to give 1-[2-(ethoxy)ethyl]-2-(1-piperazinyl)benzimidazole.3/2 fumarate (2.29 g), as colorless needles, m.p. 167°-169° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04430343 |
| Source dataset | uspto-grants-1984_02 |
| ORD ID | ord-63d67b42e22247cdabf1a3d68b999504 |
| Source note | uspto-grants-1984_02 |