HuagongsheHuagongshe Chemistry Print Report · For research reference only
3,4-Dimethylphenol → 1,2,3,4-Tetrahydro-8,9-dimethyl-5H-[1]benzopyrano[3,4-c]pyridin-5-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 3,4-Dimethylphenol | HCID 7249 | — |
| Reactant | 4-Oxo-piperidine-3-carboxylic acid ethyl ester | HCID 107316 | — |
| Product | 1,2,3,4-Tetrahydro-8,9-dimethyl-5H-[1]benzopyrano[3,4-c]pyridin-5-one | HCID 13136915 | — |
Reaction Steps
In the same way as described for example 1, 0.3m of 3,4-dimethyl phenol, 0.2m of 3-carbethoxy-4piperidone were reacted to give 8.4g of crude product. Crystallization from ethyl acetate afforded analytical material, m.p. 173°-5° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04018766 |
| Source dataset | uspto-grants-1977_04 |
| ORD ID | ord-3f227936684c456b94737ea685a8029b |
| Source note | uspto-grants-1977_04 |