HuagongsheHuagongshe Chemistry Print Report · For research reference only
Acetic Anhydride → HCID 18183126, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Acetic Anhydride | HCID 7918 | — |
| Reactant | HCID 18183123 | HCID 18183123 | — |
| Product | HCID 18183126 | HCID 18183126 | 70% |
Reaction Steps
0.72 g (2.13 mmol) of the aminomethyl compound from step B is dissolved in 6 ml of acetic anhydride at 25° C. and allowed to stand for 1 hour. The solution is diluted with ice water (30 ml) and stirred for 2 hours. The precipitated substance is filtered and, after drying by column chromatography, purified (silica gel, eluant ethyl acetate:benzene=4:1). After the fractions are concentrated by evaporation, 0.65 g of crystalline substance is obtained, which after washing with ethanol yields 0.56 g (70%) of pure title compound with a melting point of 205° C. (decomposition).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06600036B2 |
| Source dataset | uspto-grants-2003_07 |
| ORD ID | ord-8eee00ecc3ae423dae9de89934382b56 |
| Source note | uspto-grants-2003_07 |