HuagongsheHuagongshe Chemistry Print Report · For research reference only
ethyl p-(3,4-dihydro-4,4-dimethyl-2H-1-benzothiopyran-7-carboxamido)benzoate → p-(3,4-dihydro-4,4-dimethyl-2H-1-benzothiopyran-7-carboxamido)benzoic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | ethyl p-(3,4-dihydro-4,4-dimethyl-2H-1-benzothiopyran-7-carboxamido)benzoate | HCID 19935413 | — |
| Reactant | Potassium hydroxide ethanol water | HCID 23714421 | — |
| Product | p-(3,4-dihydro-4,4-dimethyl-2H-1-benzothiopyran-7-carboxamido)benzoic acid | HCID 18990063 | — |
Reaction Steps
Hydrolysis of the foregoing ester with potassium hydroxide/ethanol/water in analogy to Example 57 gave p-(3,4-dihydro-4,4-dimethyl-2H-1-benzothiopyran-7-carboxamido)benzoic acid, melting point 274°-276° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05037825 |
| Source dataset | uspto-grants-1991_08 |
| ORD ID | ord-b347d3dc51fb4be89e17184d4d3aace6 |
| Source note | uspto-grants-1991_08 |