【摘 要】
:
异喹啉-1,3(2H,4H)-二酮结构单元是众多天然产物和药物活性化合物的核心骨架.1开发简单、高效的合成异喹啉-1,3(2H,4H)-二酮类化合物的方法引起了合成化学家及药物化学家的极大关注.另一方面,α-酮酸在过渡金属或可见光催化下可以发生自由基脱羧,产生酰基自由基,常被用作酰基化试剂应用于有机合成反应中.2基于此,我们开发了一种新的可见光诱导下α-酮酸的脱羧酰基化串联环化反应,成功的构筑了一
【机 构】
:
西北师范大学化学化工学院 兰州730070
【出 处】
:
中国化学会第十六届全国有机合成化学学术研讨会
论文部分内容阅读
异喹啉-1,3(2H,4H)-二酮结构单元是众多天然产物和药物活性化合物的核心骨架.1开发简单、高效的合成异喹啉-1,3(2H,4H)-二酮类化合物的方法引起了合成化学家及药物化学家的极大关注.另一方面,α-酮酸在过渡金属或可见光催化下可以发生自由基脱羧,产生酰基自由基,常被用作酰基化试剂应用于有机合成反应中.2基于此,我们开发了一种新的可见光诱导下α-酮酸的脱羧酰基化串联环化反应,成功的构筑了一系列含酰基的异喹啉-1,3(2H,4H)-二酮类化合物.该反应条件温和,底物适应范围广,为异喹啉-1,3(2H,4H)-二酮类化合物提供了一条简便、高效、绿色的合成途径.
其他文献
Transition-metal-catalyzed C-H functionalization has been extensively investigated with great application in the syntheses of bioactive molecule and functional materials.1Meanwhile,catalytic C-C bond-
Copper plays an important role in many physiological activities,and its concentration above or below the normal levels will cause an adverse effect on the organism.1 Therefore,the design and synthesis
Alkylation reaction utilizing alcohols as alkylating reagents through a borrow-hydrogen(BH)or hydrogen autotransfer(HA)strategy has emerged as a powerful tool to construct C-C bonds.1,2 During these t
众所周知,偶氮官能团是一类重要的结构单元,广泛分布于染料分子、颜料分子、药物分子、食品添加剂、有机试剂和材料分子中.例如,甲基红和甲基橙均是芳香类偶氮衍生物,可用作染料和指示剂;百浪多息是一种芳香族偶氮化合物.它不仅是一种简单的染料,更为重要的是它是第一个合成的磺胺抗菌药物;偶氮二甲酸二乙酯(DEAD)、偶氮二甲酸二异丙酯(DIAD)均是Mitsunobu反应中的必需试剂.由于偶氮化合物的重要性和
Spirocyclohexadienones and pyrazolines are prevalent core structures in bioactive molecules1 and natural products.2 On the other hand,spiro compounds have continued to gain attentions in recent years
叔膦等路易斯碱催化联烯酸酯的反应发展多年来,多种反应类型及其手性合成被发现报道,如Umpolung加成、[m+n]环加成、Rauhut-Currier反应等,在一些药物分子合成及全合成中该方法学也被广泛应用.1值得注意的是,1992年Trost课题组首次发现联烯酸酯可以在叔膦催化作用下异构成共轭二烯的反应(图1),2该方法迅速被研究并成为构建分子内共轭二烯类的一种重要方法.3在过去的几十年里,还没
1,5-Benzodiazepine is a kind of extremely significant compounds,which have high biologicaland pharmacological activity in the last decades.1 Previous studies on 1,5-benzodiazepines have indicated that
1,5-benzothiazepines is an important class of heterocyclic compounds with good physiological and pharmacological activities.These compounds have been known to show antiarrhythmic,antimicrobial,antioxi
Radical ipso-cyclization represented one of powerful tools towards biologically interesting spirocyclic architectures.1 Considering relatively difficult-to-controlled high reactivity of radical specie
We have established a substrate-controlled [3+2] cycloaddition and vinylation of γ-allenoates with α,α-dicyanoolefins in the presence of phosphine.Indole-incorporated highly functionalized cyclopenten