中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
(2-乙酰基-5-甲基苯基)乙酸酯 | 2-acetoxy-4-methylacetophenone | 112920-14-6 | C11H12O3 | 192.214 |
2′-羟基-4′-甲基苯乙酮 | 4'-hydroxy-2'-methylacetophenone | 6921-64-8 | C9H10O2 | 150.177 |
2-氯-1-(2-羟基-4-甲基苯基)乙酮 | 2-chloro-1-(2-hydroxy-4-methyl-phenyl)-ethanone | 20834-75-7 | C9H9ClO2 | 184.622 |
—— | 2-bromo-1-(2-hydroxy-4-methylphenyl)ethan-1-one | 144219-74-9 | C9H9BrO2 | 229.073 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | NL-30 | 130900-95-7 | C16H12O2 | 236.27 |
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.
描述了钯催化的1-氮代烯与(2-羟甲基)烯丙基碳酸酯之间的氧杂-(4+4)-环加成反应。以花槿素衍生的氮代烯以较高的产率提供多环的1,5-氧杂环己烷。有趣的是,线性的氮代烯也参与其中,并产生具有完全区域选择性的单环杂环化合物。进行了密度泛函理论计算以深入了解这一观察结果。