Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Sodium Hydroxide | HCID 14798 | — |
| Reactant | HCID 22402939 | HCID 22402939 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | HCID 22402961 | HCID 22402961 | 85.5% |
Reaction Steps
A mixture of dimethyl 1-ethyl-2-methyl-4,5-benzimidazoledicarboxylate (5.30 g, 19.2 mmol), methanol and 5N sodium hydroxide (30 mL, 150 mmol) is stirred for 4 hours at 100° C., cooled, acidified with hydrochloric acid and filtered to give the title product as a lemon yellow powder (4.07 g, 85.5%), identified by 1HNMR spectral analysis.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| Patent number | US05300479 |
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| Source dataset | uspto-grants-1994_04 |
|---|
| ORD ID | ord-b0f5cfc7715e4b249a74c9c1d3d8304a |
|---|
| Source note | uspto-grants-1994_04 |
|---|
