Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Water | HCID 962 | — |
| Reactant | 5-Bromo-2-oxindole | HCID 611193 | — |
| Reactant | 5-Methyl-1H-imidazole-4-carbaldehyde | HCID 2795887 | — |
| Solvent | Isopropanol | HCID 3776 | — |
| Solvent | Piperidine | HCID 8082 | — |
| Product | HCID 178433222 | HCID 178433222 | — |
Reaction Steps
A mixture of 5-bromo-1,3-dihydro-2H-indol-2-one (0.3 g, 1.41 mmol) (Starting Material 6), and excess 4-methyl-5-imidazolecarboxaldehyde (0.25 g, 2.27 mmol) (Aldrich) in 1% piperidine in 2-propanol (6 mL) was heated at 90° C. for 4 h. Hot water (6 mL) was added. On cooling, the crystallized product was filtered off, washed with aqueous 2-propanol and dried. (Yield 0.44 g, 100%)
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| Patent number | US06313310B1 |
|---|
| Source dataset | uspto-grants-2001_11 |
|---|
| ORD ID | ord-aaf9cbd07db3496c87e20762bddfd593 |
|---|
| Source note | uspto-grants-2001_11 |
|---|
