HuagongsheHuagongshe Chemistry Print Report · For research reference only
Vanillin → 5-[(4-Hydroxy-3-methoxyphenyl)methylene]-3-methyl-2,4-imidazolidinedione
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Vanillin | HCID 1183 | — |
| Reactant | 2,4-Imidazolidinedione, 3-methyl- | HCID 138851 | — |
| Product | 5-[(4-Hydroxy-3-methoxyphenyl)methylene]-3-methyl-2,4-imidazolidinedione | HCID 54496676 | 13.4% |
Reaction Steps
Prepared according to the procedure described in Example 93 using 4-hydroxy-3-methoxybenzaldehyde (3.2 g, 21 mmoles) and 3-methyl hydantoin (3.0 g, 21 mmoles). Recrystallization from ethyl acetate gave the pure product (0.7 g), mp 227°-228° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05464856 |
| Source dataset | uspto-grants-1995_11 |
| ORD ID | ord-de6ee6f4af1a4b818848694ea2fb696b |
| Source note | uspto-grants-1995_11 |