HuagongsheHuagongshe Chemistry Print Report · For research reference only
p-Toluenesulfonic acid → 6-Acetoxy-2-naphthyl-alpha-methylacetic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | p-Toluenesulfonic acid | HCID 6101 | — |
| Reactant | Acetic Anhydride | HCID 7918 | — |
| Reactant | Desmethylnaproxen | HCID 162920 | — |
| Product | 6-Acetoxy-2-naphthyl-alpha-methylacetic acid | HCID 20335192 | — |
Reaction Steps
A mixture of 2.2 g. of 6-hydroxy-2-naphthyl-α-methylacetic acid, 50 ml. of acetic anhydride, and 100 mg. of p-toluenesulfonic acid is stirred for four hours at 50° C. The mixture is evaporated, water is added, and the mixture is extracted with diethyl ether which is washed with water to neutrality, dried over sodium sulfate, and evaporated to yield 6-acetoxy-2-naphthyl-α-methylacetic acid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US03998966 |
| Source dataset | uspto-grants-1976_12 |
| ORD ID | ord-607ee582e244404e86011673e47df1c8 |
| Source note | uspto-grants-1976_12 |