HuagongsheHuagongshe Chemistry Print Report · For research reference only
Water → HCID 21447172, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Water | HCID 962 | — |
| Reactant | 41806-52-4 | HCID 432241 | — |
| Solvent | Hydrogen Bromide | HCID 260 | — |
| Product | HCID 21447172 | HCID 21447172 | — |
Reaction Steps
A solution of 4.7 g of 1,2,3,4-tetrahydro-8,9-dimethoxy-3-(2-piperidinoethyl)-5H-[1]benzopyrano[3,4-c] pyridin-5-one in 70 cc of 48% HBr was refluxed for 17 hr and cooled. Precipitate was cryst from water affording 2.8 g of product; mp 291°-295°C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US03984546 |
| Source dataset | uspto-grants-1976_10 |
| ORD ID | ord-e9f16e7a903e49cc8074d8b26c677c0e |
| Source note | uspto-grants-1976_10 |