HuagongsheHuagongshe Chemistry Print Report · For research reference only
Oxaprozin → Butanedioic acid;bis(2-hydroxy-1,2-diphenylethanone)
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Oxaprozin | HCID 4614 | — |
| Reactant | Succinic anhydride | HCID 7922 | — |
| Reactant | Benzoin | HCID 8400 | — |
| Product | Butanedioic acid;bis(2-hydroxy-1,2-diphenylethanone) | HCID 131711721 | — |
Reaction Steps
A process for the preparation of 4,5-diphenyloxazole-2-propanoic acid of formula I ##STR2## by esterification of benzoin with succinic anhydride to give benzoin hemisuccinate, and cyclization to (I) by direct addition of ammonium acetate or urea to the mixture containing the hemisuccinate,
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06096896 |
| Source dataset | uspto-grants-2000_08 |
| ORD ID | ord-cf112545ea7f4486bef9bbf657337f54 |
| Source note | uspto-grants-2000_08 |