HuagongsheHuagongshe Chemistry Print Report · For research reference only
3-Hydroxy-2-naphthoic acid → 3-Hydroxy-N-benzimidazolon-5-yl-2-naphthamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 3-Hydroxy-2-naphthoic acid | HCID 7104 | — |
| Reactant | 5-amino-2H-1,3-benzodiazol-2-one | HCID 15250547 | — |
| Product | 3-Hydroxy-N-benzimidazolon-5-yl-2-naphthamide | HCID 20495683 | — |
Reaction Steps
The product thus obtained is fit for the preparation of azo pigments of high fastness and according to HPLC contains <0.1% of 5-aminobenzimidazolone and <0.1% of 3-hydroxy-2-naphthoic acid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05756757 |
| Source dataset | uspto-grants-1998_05 |
| ORD ID | ord-2ef7f7f9e1cf4b41ae72dd74819e48df |
| Source note | uspto-grants-1998_05 |