HuagongsheHuagongshe Chemistry Print Report · For research reference only
Anthranilic Acid → 4-Aminoazobenzene
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Anthranilic Acid | HCID 227 | — |
| Reactant | Formamide | HCID 713 | — |
| Reactant | 1H-Pyrazol-5-ol, 3-methyl-1-phenyl- | HCID 70335 | — |
| Catalyst | Chromium | HCID 23976 | — |
| Catalyst | Formic acid, chromium(3+) salt (3:1) | HCID 117932 | — |
| Product | 4-Aminoazobenzene | HCID 6051 | — |
Reaction Steps
A chromium complex of ##STR1## Anthranilic acid→3-Methyl-1-phenyl-5-pyrazolone; then heat with chromium formate in formamide solution for 6 hr. at 113°-115° C. to form the chromium complex which contains 1 atom of chromium per 2 mol. dye.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04598020 |
| Source dataset | uspto-grants-1986_07 |
| ORD ID | ord-392600f738374af6b733cc7f4c85132f |
| Source note | uspto-grants-1986_07 |