HuagongsheHuagongshe Chemistry Print Report · For research reference only
4-Methylbenzaldehyde → HCID 76168092, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4-Methylbenzaldehyde | HCID 7725 | — |
| Reactant | 3,5-Diacetyl-2,6-dihydroxy-4h-pyran-4-one | HCID 135465969 | — |
| Catalyst | Piperidine | HCID 8082 | — |
| Solvent | Chloroform | HCID 6212 | — |
| Product | HCID 76168092 | HCID 76168092 | — |
Reaction Steps
Following the procedure of Example 1, a mixture of 8.48 g. (0.04 m.) of 3,5-diacetyl-4,6-dihydroxy-2H-pyran-2-one, 4.8 g. (0.04 m.) of p-methylbenzaldehyde in 100 ml. of chloroform and 20 drops of piperidine is refluxed for 10 hours, concentrated and filtered to yield 5-acetyl-4-hydroxy-3-(p-methylcinnamoyl)-2H-pyran-2,6(3H)-dione, m.p. 188°-190° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04015009 |
| Source dataset | uspto-grants-1977_03 |
| ORD ID | ord-3d0bd77d64684663a42fbeb086260ce7 |
| Source note | uspto-grants-1977_03 |