HuagongsheHuagongshe Chemistry Print Report · For research reference only
4-methoxy-2,5-dihydro-1H-pyrrol-2-one → 6-cyano-3,4-dihydro-2,2-dimethyl-trans-3-hydroxy-4-(4-methoxy-2-oxo-3-pyrrolin-1-yl)-2H-1-benzopyran
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4-methoxy-2,5-dihydro-1H-pyrrol-2-one | HCID 574769 | — |
| Reactant | 2,2-Dimethyl-3,4-epoxy-6-cyanochroman | HCID 10867360 | — |
| Reactant | 4-Octyloxy-3-pyrrolin-2-one | HCID 19982578 | — |
| Product | 6-cyano-3,4-dihydro-2,2-dimethyl-trans-3-hydroxy-4-(4-methoxy-2-oxo-3-pyrrolin-1-yl)-2H-1-benzopyran | HCID 67924112 | — |
Reaction Steps
Similarly, optionally replacing 6-cyano-3,4-dihydro-2,2-dimethyl-3,4-epoxy-2H-1-benzopyran with the appropriate compound of formula (2), and optionally replacing 4-methoxy-3-pyrrolin-2-one with the appropriate compound of formula (3), the following compounds of formula (I) are prepared:
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04997846 |
| Source dataset | uspto-grants-1991_03 |
| ORD ID | ord-fcd1eb49396b4bd88487cb6996ebca12 |
| Source note | uspto-grants-1991_03 |