HuagongsheHuagongshe Chemistry Print Report · For research reference only
Syringaldehyde → 5-[(3,5-Dimethoxy-4-hydroxyphenyl)methylene]-1-methyl-2,4-imidazolidinedione
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Syringaldehyde | HCID 8655 | — |
| Reactant | 1-Methylhydantoin | HCID 69217 | — |
| Product | 5-[(3,5-Dimethoxy-4-hydroxyphenyl)methylene]-1-methyl-2,4-imidazolidinedione | HCID 54295043 | 33.5% |
Reaction Steps
Prepared according to the procedure described in Example 99 using 3,5-dimethoxy-4-hydroxybenzaldehyde (5.8 g, 31 mmoles) and 1-methyl hydantoin (3.5 g, 30 mmoles). Recrystallization from ethanol gave the pure product (2.8 g),mp 194°-196° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05208250 |
| Source dataset | uspto-grants-1993_05 |
| ORD ID | ord-41d0b75a29da4e23aa7227cd3ca6ecad |
| Source note | uspto-grants-1993_05 |