HuagongsheHuagongshe Chemistry Print Report · For research reference only
5-Bromoisatin → HCID 10853541, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 5-Bromoisatin | HCID 6889 | — |
| Reactant | 4,5-Dimethyl-1,2-phenylenediamine | HCID 76635 | — |
| Solvent | Acetic Acid | HCID 176 | — |
| Product | HCID 10853541 | HCID 10853541 | — |
Reaction Steps
A mixture of 22.6 g 5-bromoisatin (0.1 mole), 15.0 g 4,5-dimethyl-o-phenylene diamine (0.11 mole) and 400 ml acetic acid is boiled under reflux for 4 hours. After cooling the product is sucked, washed with ethanol and dried. Yield 29 g, 89%. Recrystallisation from pyridine gives needle shaped crystals with melting point 319°-322° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04990510 |
| Source dataset | uspto-grants-1991_02 |
| ORD ID | ord-64cae312824e47078ffad9555806fc14 |
| Source note | uspto-grants-1991_02 |