HuagongsheHuagongshe Chemistry Print Report · For research reference only
4-Oxo-2,4,6,7-tetrahydropyrano[3,4-C]pyrrole-1-carbaldehyde → 4-Methyl-2-oxo-3-(4-oxo-2,4,6,7-tetrahydro-pyrano[3,4-c]pyrrol-1-ylmethylene)-2,3-dihydro-1H-indole-5-sulfonic Acid Methylamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4-Oxo-2,4,6,7-tetrahydropyrano[3,4-C]pyrrole-1-carbaldehyde | HCID 9834049 | — |
| Reactant | 4-Methyl-5-methylaminosulfonyl-2-oxindole | HCID 69052589 | — |
| Product | 4-Methyl-2-oxo-3-(4-oxo-2,4,6,7-tetrahydro-pyrano[3,4-c]pyrrol-1-ylmethylene)-2,3-dihydro-1H-indole-5-sulfonic Acid Methylamide | HCID 69707617 | 97% |
Reaction Steps
4-Methyl-2-oxo-2,3-dihydro-1H-indole-5-sulfonic acid methylamide (0.2 g, 0.83 mmol) was condensed with 4-oxo-2,4,6,7-tetrahydro-pyrano[3,4-c]pyrrole-1-carbaldehyde (1.2 eq, 0.17 g) to give 0.31 g (97%) of the title compound as a yellow solid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06465507B2 |
| Source dataset | uspto-grants-2002_10 |
| ORD ID | ord-5a95de4efe044e4ebb340104419cdf3a |
| Source note | uspto-grants-2002_10 |