Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Methanol | HCID 887 | — |
| Reactant | O-Phenylenediamine | HCID 7243 | — |
| Reactant | HCID 14146341 | HCID 14146341 | — |
| Catalyst | Cupric acetate monohydrate | HCID 165397 | — |
| Solvent | Water | HCID 962 | — |
| Product | HCID 18993051 | HCID 18993051 | 65.1% |
Reaction Steps
A mixture of copper (II) acetate monohydrate (7.76 g), 1,2-diaminobenzene (2.10 g), 4-(4-chlorobutoxy]benzaldehyde (Step A) (5.0 g) is slowly heated to reflux in water (10 mL) and methanol (100 mL) and stirred at reflux for 1 hour. The mixture is cooled and a brown precipitate filtered off. The precipitate is suspended in methanol (100 mL) and hydrogen sulfide bubbled through for 30 minutes followed by nitrogen. The mixture is heated to reflux, cooled and filtered. All the filtrates are combined and 0.880 ammonium hydroxide added until just basic. The filtrates are diluted with an equal volume of water and the resulting pale-grey precipitate collected. The precipitate is recrystallized from methanol/water to give 3.8 g of the title compound.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US05486517 |
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| Source dataset | uspto-grants-1996_01 |
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| ORD ID | ord-365a83eeb47148309f09a31af0b046da |
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| Source note | uspto-grants-1996_01 |
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