Sequential condensation-6π-electrocyclization reaction of a chiral 1,3-Diketone possessing C2 symmetry
作者:Toyoharu Kobayashi、Iori Takizawa、Yuichiro Kawamoto、Hisanaka Ito
DOI:10.1016/j.tetlet.2020.151897
日期:2020.5
The sequential Knoevenagel condensation-6π-electrocyclization reaction of the novel chiral 1,3-cyclohexanedione derivative possessing C2 symmetry developed by our group was demonstrated. Chiral 6,8-dihydroxy-7,8-dihydro-2H-chromen-5-one derivatives were obtained in good to excellent yields.
证明了我们小组开发的具有C 2对称性的新型手性1,3-环己二酮衍生物的顺式Knoevenagel缩合-6π-电环化反应。以良好至优异的产率获得了手性的6,8-二羟基-7,8-二氢-2 H-铬5-5-酮衍生物。