HuagongsheHuagongshe Chemistry Print Report · For research reference only
2,2-dimethyl-3,4-dihydro-2H-1-benzopyran-6-carbaldehyde → 5-Chloro-3-(2,2-dimethyl-chroman-6-ylmethylene)-4-methyl-1,3-dihydroindol-2-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2,2-dimethyl-3,4-dihydro-2H-1-benzopyran-6-carbaldehyde | HCID 1797751 | — |
| Reactant | 5-Chloro-4-methylindolin-2-one | HCID 10313388 | — |
| Product | 5-Chloro-3-(2,2-dimethyl-chroman-6-ylmethylene)-4-methyl-1,3-dihydroindol-2-one | HCID 54476732 | — |
Reaction Steps
2,2-Dimethyl-6-formylchromane (commercially available) was condensed with 4-methyl-5-chloro-2-oxindole to give 0.3 g of 5-chloro-3-(2,2-dimethyl-chroman-6-ylmethylene)-4-methyl-1,3-dihydroindol-2-one as a yellow-orange solid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06531502B1 |
| Source dataset | uspto-grants-2003_03 |
| ORD ID | ord-8cc7588620f14797ab0831a0222a8e9a |
| Source note | uspto-grants-2003_03 |