中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 5-methoxyl-4-oxo-<1>benzopyran-3-carboxaldehyde | 49619-59-2 | C11H8O4 | 204.182 |
A phosphine-catalyzed alkoxy allylation of chromones with MBH carbonates and alcohols is established for the metal-free synthesis of 3-allyl-2-alkoxychromanones with high diastereoselectivity.