Building libraries of skeletally diverse scaffolds from novel heterocyclic active methylene compound through multi-component reactions
作者:Ramasamy Jayarajan、Gnanasambandam Vasuki
DOI:10.1016/j.tetlet.2012.04.013
日期:2012.6
compounds; 2-amino-7,9-dimethyl-5-oxo-4-aryl-4,5,6,7-tetrahydropyrano[2,3-d]pyrazolo[3,4-b]pyridine-3-carbonitrile, 2′-amino-7′,9′-dimethyl-2,5′-dioxo-6′,7′-dihydro-5′H-spiro[indoline-3,4′-pyrano[2,3-d]pyrazolo[3,4-b]pyridine]-3′-carbonitrile, and 5,5′-(arylmethylene)bis(4-hydroxy-1,3-dimethyl-1H-pyrazolo[3,4-b]pyridin-6(7H)-one) have been synthesized through a multi-component reaction using novel heterocyclic
具有骨骼多样性的潜在生物活性多环/螺环杂环化合物的文库;2-氨基-7,9-二甲基-5-氧代-4-芳基-4,5,6,7-四氢吡喃并[ 2,3- d ]吡唑并[3,4- b ]吡啶-3-甲腈,2′氨基-7',9'-二甲基-2,5'-二氧代-6',7'-二氢-5' ħ -螺[二氢吲哚-3,4'-吡喃并[2,3- d ]吡唑并[3 ,4- b ]吡啶] -3'-腈和5,5'-(芳基亚甲基)双(4-羟基-1,3-二甲基-1 H-吡唑并[3,4- b ]吡啶-6(7 H)-))是使用新型杂环活性亚甲基化合物4-羟基-1,3-二甲基-1 H-吡唑并[3,4- b ]吡啶-6(7 )通过多组分反应合成的H)-作为构建基块之一。该协议可以被认为是面向多样性综合的一种有效且生态友好的策略。