Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Piperidine | HCID 8082 | — |
| Reactant | 2-Thiohydantoin | HCID 1274030 | — |
| Reactant | 3-Chloro-4,5-dihydroxybenzaldehyde | HCID 2468182 | — |
| Solvent | Acetic Acid | HCID 176 | — |
| Product | HCID 53887833 | HCID 53887833 | — |
Reaction Steps
A solution containing 1.16 g of thiohydantoin, 1.72 g of 3,4-dihydroxy-5-chlorobenzaldehyde and 0.2 ml of piperidine in 20 ml of acetic acid was heated for 4 h at 100° C. The product was filtered and washed with ether. Yield 1.0 g, mp 303-304° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| Patent number | US06121303 |
|---|
| Source dataset | uspto-grants-2000_09 |
|---|
| ORD ID | ord-18ccc3e3ecad470bb3a953d44628172f |
|---|
| Source note | uspto-grants-2000_09 |
|---|
