| 中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
|---|---|---|---|---|
| (2E)-3-(3,4-二甲氧基苯基)-1-(2-羟基苯基)-2-丙烯-1-酮 | 2'-hydroxy-3,4-dimethoxychalcone | 19152-36-4 | C17H16O4 | 284.312 |
| (E)-2'-羟基-3,4-二甲氧基查耳酮 | (E)-2'-hydroxy-3,4-dimethoxychalcone | 79140-20-8 | C17H16O4 | 284.312 |
| 中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
|---|---|---|---|---|
| —— | (Z)-2-(3,4-dihydroxybenzylidene)benzofuran-3(2H)-one | 24418-86-8 | C15H10O4 | 254.242 |
A Pd-catalyzed oxa-(4+4)-cycloaddition between 1-azadienes and (2-hydroxymethyl)allyl carbonates is described. Aurone-derived azadienes furnished polycyclic 1,5-oxazocines in good yields. Interestingly, linear azadienes have also been involved and yielded monocyclic heterocycles with complete regioselectivity. DFT calculations were carried out to gain insight on this observation.