HuagongsheHuagongshe Chemistry Print Report · For research reference only
Lithium Hydroxide → 4'-{4-[1-(2-Chloro-phenyl)-ethoxycarbonylamino]-3-methyl-isoxazol-5-yl}-biphenyl-2-carboxylic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Lithium Hydroxide | HCID 3939 | — |
| Reactant | 4'-{4-[1-(2-Chloro-phenyl)-ethoxycarbonylamino]-3-methyl-isoxazol-5-yl}-biphenyl-2-carboxylic acid methyl ester | HCID 67352582 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | 4'-{4-[1-(2-Chloro-phenyl)-ethoxycarbonylamino]-3-methyl-isoxazol-5-yl}-biphenyl-2-carboxylic acid | HCID 46239908 | — |
Reaction Steps
To 4′-{4-[1-(2-chloro-phenyl)-ethoxycarbonylamino]-3-methyl-isoxazol-5-yl}-biphenyl-2-carboxylic acid methyl ester (0.21 mmol) in methanol was added 1N aqueous LiOH (2 mL) and stirred overnight at room temperature. The solution was stirred at 40° C. for 3 days. The mixture was purified by preparative HPLC to give the title compound.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08048902B2 |
| Source dataset | uspto-grants-2011_11 |
| ORD ID | ord-e23097b578f842b6a386ba6d792268a7 |
| Source note | uspto-grants-2011_11 |