| 中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
|---|---|---|---|---|
| —— | 6-Methyl-2-(4-methylanilino)-4-oxochromene-3-carbaldehyde | 755009-22-4 | C18H15NO3 | 293.322 |
| 中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
|---|---|---|---|---|
| —— | 11-allyl-6,11-dihydro-3,8-dimethyl-6-(5,5-dimethyl-3-hydroxy-2-cyclohexenone-2-yl)-1-benzopyrano[2,3-b]quinoline-5H-5-one | 1246677-52-0 | C29H29NO4 | 455.554 |
On heating with zinc in acetic acid 2-(N-arylamino)chromone-3-carbaldehydes produce 2-(N-arylamino)-3-methylchromones, whereas 2-(N-alkylamino)chromone-3-carbaldehydes produce 4-hydroxy-3-methylcoumarin in moderate yields. Reduction of an aldehyde function to a methyl group has been achieved under very mild reaction conditions.