HuagongsheHuagongshe Chemistry Print Report · For research reference only
2,3-Epoxy-2-methyl-1,4-naphthoquinone → Menadione
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2,3-Epoxy-2-methyl-1,4-naphthoquinone | HCID 85845 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | Menadione | HCID 4055 | — |
Reaction Steps
According to Flowchart V, 2,3-epoxy-2-methyl-1,4-naphthoquinone 11 is reacted with an amine 2, where R2, R3, R4 and R5 are as described above, in absolute ethanol with heat for several hours, producing the 3-methyl-1,4-naphthalenedione derivatives 12.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04686220 |
| Source dataset | uspto-grants-1987_08 |
| ORD ID | ord-c0f934309e2b409e80e6ac307eb62b54 |
| Source note | uspto-grants-1987_08 |