HuagongsheHuagongshe Chemistry Print Report · For research reference only
Nitric Acid → HCID 22313445, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Nitric Acid | HCID 944 | — |
| Reactant | HCID 22313434 | HCID 22313434 | — |
| Solvent | Ethyl Acetate | HCID 8857 | — |
| Product | HCID 22313445 | HCID 22313445 | — |
Reaction Steps
Nitric acid solution (1.6 ml, 2 M in CH2Cl2) was added to a solution of 3-benzoyl-6,7-dihydroxy-chromen-2-one (0.89 g) in ethyl acetate (50 ml) at −16-10° C. The solvent was evaporated and the product run through a silica column with toluene-ethyl acetate acetic acid (8:1:1) as the solvent. The product was crystallized from ether. Yield: 40 mg, melting point 94-96° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06951870B2 |
| Source dataset | uspto-grants-2005_10 |
| ORD ID | ord-b2c8d2369bfd4461a75d2c36d71c4bf9 |
| Source note | uspto-grants-2005_10 |