中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 4'-nitro-3-methylene flavanone | 77038-21-2 | C16H11NO4 | 281.268 |
An efficient and “green” catalytic conversion of 2'-hydroxychalcones to flavanones in 15 min in the presence of a simple amino acid and a base at room temperature is reported. Liquiritigenin was also efficiently synthesised under these conditions.