HuagongsheHuagongshe Chemistry Print Report · For research reference only
Acetic Anhydride → HCID 54366097, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Acetic Anhydride | HCID 7918 | — |
| Reactant | HCID 22402945 | HCID 22402945 | — |
| Product | HCID 54366097 | HCID 54366097 | 90.1% |
Reaction Steps
A mixture of the 1,2-dimethyl-5,6-benzimidazoledicarboxylic acid (1.25 g, 5.34 mmol) and acetic anhydride is stirred for 2 hours at reflux temperature, cooled to 5° and filtered. The filter cake is dried to give the title product as brown needles (1.04 g, 90.1%), mp 310°-315° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05300479 |
| Source dataset | uspto-grants-1994_04 |
| ORD ID | ord-5c2b3739821942a39b1cac248a56de9e |
| Source note | uspto-grants-1994_04 |