Dimethyl squarate and its conversion to 3-ethenyl-4-methoxycyclobutene-1,2-dione and 2-butyl-6-ethenyl-5-methoxy-1,4-benzoquinone
CAS index name: 3-Cyclobutene-1,2-dione, 3-ethenyl-4-methoxy- and 2,5-cyclohexadiene-1,4-dione, 5-butyl-3-ethenyl-2-methoxy- from 3-cyclobutene-1,2-dione, 3,4-dimethoxy-
Organic Syntheses
A checked procedure from Organic Syntheses, the journal whose preparations are repeated in a second laboratory before publication. The full experimental, with amounts, hazards and characterisation data, is on orgsyn.org.
Reagents
| Compound | Role | Equiv | MW (g/mol) | ρ (g/mL) | Safety |
|---|---|---|---|---|---|
| 3,4-Dimethoxy-3-cyclobutene-1,2-dione5222-73-1 · C6H6O4 | product | — | 142.11 | — | Danger |