HuagongsheHuagongshe Chemistry Print Report · For research reference only
Trifluoroacetic acid → 5,6-Dihydroxyindole
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Trifluoroacetic acid | HCID 6422 | — |
| Reactant | 4,5-Dibenzyloxy-2,beta-dinitrostyrene | HCID 54265375 | — |
| Product | 5,6-Dihydroxyindole | HCID 114683 | — |
| Product | 4-Nitro-5-(2-nitroethenyl)benzene-1,2-diol | HCID 53737162 | — |
Reaction Steps
or by debenzylation of 4,5-dibenzyloxy-2,β-dinitrostyrene; in this case the debenzylation is performed by means of trifluoroacetic acid. In a second stage 5,6-dihydroxyindole is obtained from 4,5-dihydroxy-2,β-dinitrostyrene as indicated above (U.S. Pat. No. 4,595,765).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05508464 |
| Source dataset | uspto-grants-1996_04 |
| ORD ID | ord-3b6ff1ef76b8450ca6f5cb3cb7d70966 |
| Source note | uspto-grants-1996_04 |