HuagongsheHuagongshe Chemistry Print Report · For research reference only
2,2-dimethyl-3,4-dihydro-2H-1-benzopyran-6-carbaldehyde → 3-(2,2-Dimethylchroman-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 | 4-Methyl-1,3-dihydro-2H-indol-2-one | HCID 12579382 | — |
| Product | 3-(2,2-Dimethylchroman-6-ylmethylene)-4-methyl-1,3-dihydroindol-2-one | HCID 53819525 | — |
Reaction Steps
2,2-Dimethyl-6-formylchromane (commercially available) was condensed with 4-methyl-2-oxindole to give 0.25 g of 3-(2,2-dimethylchroman-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-b6a28469e33e44109ae81c4bfcaf0289 |
| Source note | uspto-grants-2003_03 |