HuagongsheHuagongshe Chemistry Print Report · For research reference only
Acetic Anhydride → 3-Methoxycarbonyl-2-benzylidenepropanoic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Acetic Anhydride | HCID 7918 | — |
| Reactant | 2-(Phenylmethylene)butanedioic acid | HCID 222998 | — |
| Product | 3-Methoxycarbonyl-2-benzylidenepropanoic acid | HCID 54158161 | — |
Reaction Steps
2-Carboxymethyl-3-phenylpropenoic acid (4.1 g.) and acetic anhydride (9 ml.) are heated in the steam bath for 70 minutes. The mixture is concentrated to dryness and the residue triturated with ether, yield 3.6 g. This anhydride is dissolved in 7 ml. of methanol and heated in the steam bath for 1 hour.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04154937 |
| Source dataset | uspto-grants-1979_05 |
| ORD ID | ord-03ac42385c7444d6bceab2c91b25f64c |
| Source note | uspto-grants-1979_05 |