HuagongsheHuagongshe Chemistry Print Report · For research reference only
2,3-Dihydrobenzofuran-5-carboxaldehyde → 3-(2,3-Dihydrobenzofuran-5-ylmethylene)-4-methyl-1,3-dihydroindol-2-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2,3-Dihydrobenzofuran-5-carboxaldehyde | HCID 735901 | — |
| Reactant | 4-Methyl-1,3-dihydro-2H-indol-2-one | HCID 12579382 | — |
| Product | 3-(2,3-Dihydrobenzofuran-5-ylmethylene)-4-methyl-1,3-dihydroindol-2-one | HCID 54519396 | — |
Reaction Steps
2,3-Dihydro-5-formylbenzofuran (commercially available) was condensed with 4-methyl-2-oxindole to give 0.25 g of 3-(2,3-dihydrobenzofuran-5-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-d1113625623341d3b3f940b0e5286321 |
| Source note | uspto-grants-2003_03 |