HuagongsheHuagongshe Chemistry Print Report · For research reference only
2-(Carboxymethyl)-4-chlorobenzoic acid → 156590-23-7
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2-(Carboxymethyl)-4-chlorobenzoic acid | HCID 334035 | — |
| Solvent | Acetic Anhydride | HCID 7918 | — |
| Product | 156590-23-7 | HCID 21782485 | — |
Reaction Steps
The starting material is prepared as follows. The mixture of 6.2 g of 5-chlorohomophthalic acid and 70 ml of acetic anhydride is refluxed for 1/2 hour and evaporated. The residue is washed with chloroform, carbon tetrachloride and dryed to yield the 5-chlorohomophthalic anhydride melting at 170°-173°.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04025505 |
| Source dataset | uspto-grants-1977_05 |
| ORD ID | ord-be8343e6eb8142cba46df08941cf1afc |
| Source note | uspto-grants-1977_05 |