HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrogen Bromide → HCID 20569238, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrogen Bromide | HCID 260 | — |
| Reactant | 2,5-Dimethoxy-4-methylbenzenepropanoic acid | HCID 20569236 | — |
| Product | HCID 20569238 | HCID 20569238 | — |
Reaction Steps
0.18 mol (40 g) of 3-(2',5'-dimethoxy-4'-methylphenyl)-propionic acid is heated under reflux in 300 ml of 48% strength hydrobromic acid. After cooling, the acid obtained precipitates. It is filtered off, dried and recrystallised from a mixture of ethanol, chloroform and petroleum ether. After drying, it melts at 181° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04289495 |
| Source dataset | uspto-grants-1981_09 |
| ORD ID | ord-e3ddedbec2cb466ead28bee6584b382f |
| Source note | uspto-grants-1981_09 |