A Versatile Synthesis of Heterocyclic Analogues of Neoflavonoids from Enamino Ketones
作者:Viktoria Moskvina、Volodymir Khilya、Olexander Turov、Ulrich Groth
DOI:10.1055/s-0028-1088030
日期:2009.4
the synthesis of heterocyclic analogues of neoflavonoids, such as pyrazolyl-, isoxazolyl-, pyrimidinyl-substituted 4-phenyl-2H-chromen-2-ones and fused 4-phenyl-2H,6H-pyrano[3,2-g]chromene-2,6-diones and 4-phenyl-2H,10H-pyrano[2,3-f]chromene-2,10-diones, using the corresponding enamino ketones is described. heterocycles - 4-phenyl-2H-chromen-2-one - 2H-1-benzopyran-2-one - neoflavone - enamino ketone
的有效和通用的用于neoflavonoids的杂环类似物,例如吡唑基,isoxazolyl-,嘧啶基取代的4-苯基-2的合成一步法ħ -苯并吡喃-2-酮和稠合的4-苯基-2- ħ,6 H-吡喃并[3,2- g ]色烯-2,6-二酮和4-苯基-2 H,10 H-吡喃并[2,3- f ] chromene -2,10-二酮,使用相应的烯胺酮是描述。 杂环- 4-苯基-2- ħ -色烯-2-酮- 2 ħ -1-苯并吡喃-2-酮- neoflavone -烯氨基酮-区域选择性