首页> 外文期刊>Journal of Heterocyclic Chemistry: The International Journal of Heterocyclic Chemistry >Cascade assembling of isatins and barbituric acids: Facile and efficient way to 2′′H-dispiro[indole-3,5′-furo[2,3-d]pyrimidine- 6′,5′′-pyrimidine]-2,2′,2′′,4′, 4′′,6′′-(1h,1′h,1′′h,3′h, 3′′h)-hexone scaffold
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Cascade assembling of isatins and barbituric acids: Facile and efficient way to 2′′H-dispiro[indole-3,5′-furo[2,3-d]pyrimidine- 6′,5′′-pyrimidine]-2,2′,2′′,4′, 4′′,6′′-(1h,1′h,1′′h,3′h, 3′′h)-hexone scaffold

机译:isatins和barbituricic acid的级联组装:2''H-dispiro [吲哚-3,5'-furo [2,3-d]嘧啶-6',5''-嘧啶] -2,2的简便有效方法′,2′′,4′,4′′,6′′-(1h,1′h,1′′h,3′h,3′′h)-己酮支架

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摘要

"One-pot" transformation of isatins and barbituric acids by the direct action of the only bromine in ethanol results in the formation of substituted 2′′H-dispiro[indole-3,5′-furo[2,3-d]pyrimidine- 6′,5′′-pyrimidine]-2,2′,2′′,4′, 4′′,6′′-(1H,1′H,1′′H,3′H, 3′′H)-hexones in 70-87% yields via complex cascade process. Dispirobarbiturates containing spiro indole and furo[2,3-d]pyrimidine framework are a class of compounds with prominent pharmacological and physiological activity. Thus, seven previously inaccessible 2′′H-dispiro[indole-3, 5′-furo[2,3-d]pyrimidine-6′,5′′-pyrimidine]-2,2′, 2′′,4′,4′′,6′′-(1H,1′H, 1′′H,3′H,3′′H)-hexones have been synthesized that represent the new class of dispirobarbiturates.
机译:通过乙醇中唯一溴的直接作用,即可对靛红和巴比妥酸进行“一锅”转化,从而形成取代的2''H-二螺并[吲哚-3,5'-呋喃[2,3-d]嘧啶-6′,5′′-嘧啶] -2,2′,2′′,4′,4′′,6′′-(1H,1′H,1′′H,3′H,3′′通过复杂的级联过程,H)-己酮的产率为70-87%。含有螺吲哚和呋喃并[2,3-d]嘧啶骨架的双螺巴比妥酸酯是一类具有突出药理和生理活性的化合物。因此,七个以前无法接近的2''H-二螺[吲哚-3,5'-呋喃[2,3-d]嘧啶-6',5'-嘧啶] -2,2',2'',4'合成了代表新一类双螺巴比妥酸酯的,4'',6''-(1H,1'H,1''H,3'H,3''H)-己酮。

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