HuagongsheHuagongshe Chemistry Print Report · For research reference only
1-Methylpiperazine → HCID 3071000, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1-Methylpiperazine | HCID 53167 | — |
| Reactant | Fumaric Acid | HCID 444972 | — |
| Reactant | HCID 15585274 | HCID 15585274 | — |
| Product | HCID 3071000 | HCID 3071000 | — |
Reaction Steps
In the same manner as described in Example 1 using 2-chloro-1-[2-(propargyloxy)ethyl]benzimidazole (3.00 g), N-methylpiperazine (2.70 g) and fumaric acid (1.52 g), there are obtained crude crystals, which are recrystallized from ethyl acetate-ethanol to give 1-[2-(propargyloxy)ethyl]-2-(4-methyl-1-piperazinyl)benzimidazole.3/2 fumarate (2.80 g) as colorless plates, m.p. 145°-146.5° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04430343 |
| Source dataset | uspto-grants-1984_02 |
| ORD ID | ord-fe2610e78a6845eba7b4a683ba691a4a |
| Source note | uspto-grants-1984_02 |