HuagongsheHuagongshe Chemistry Print Report · For research reference only
Formaldehyde → 4-Bromo-3-(6-hydroxy-2,3-dihydrobenzofuran-5-yl)-3-(hydroxymethyl)indolin-2-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Formaldehyde | HCID 712 | — |
| Reactant | Ethyl bromoacetate | HCID 7748 | — |
| Reactant | 4-bromo-3-(6-hydroxy-2,3-dihydro-1-benzofuran-5-yl)-1,3-dihydro-2H-indol-2-one | HCID 12004405 | — |
| Reactant | 1-hexyl-3-(6-hydroxy-1,3-benzodioxol-5-yl)-1,3-dihydro-2H-indol-2-one | HCID 58872547 | — |
| Product | 4-Bromo-3-(6-hydroxy-2,3-dihydrobenzofuran-5-yl)-3-(hydroxymethyl)indolin-2-one | HCID 58872438 | — |
Reaction Steps
Following the procedure as described in PREPARATION 31D, and making non-critical variations to replace 1-hexyl-3-(6-hydroxy-1,3-benzodioxol-5-yl)-1,3-dihydro-2H-indol-2-one with 4-bromo-3-(6-hydroxy-2,3-dihydro-1-benzofuran-5-yl)-1,3-dihydro-2H-indol-2-one, and ethyl bromoacetate with para-formaldehyde, the title compound was obtained that was used directly for further reaction.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07935721B2 |
| Source dataset | uspto-grants-2011_05 |
| ORD ID | ord-075cd4f1e3c342158bff420343834f78 |
| Source note | uspto-grants-2011_05 |