Synthesis of a Unique Isoindoline/Tetrahydroisoquinoline-based Tricyclic Sultam Library Utilizing a Heck-aza-Michael Strategy
作者:Qin Zang、Salim Javed、Patrick Porubsky、Farman Ullah、Benjamin Neuenswander、Gerald H. Lushington、Fatima Z. Basha、Michael G. Organ、Paul R. Hanson
DOI:10.1021/co200181x
日期:2012.3.12
The synthesis of a unique isoindoline- and tetrahydroisoquinoline (THIQ)-containing tricyclic sultam library, utilizing a Heck-aza-Michael (HaM) strategy is reported. Both isoindoline and THIQ rings are installed through a Heck reaction on a vinylsulfonamide, followed by one-pot deprotection and intramolecular aza-Michael reaction. Subsequent cyclization with either paraformaldehyde condensation or
据报道,利用Heck-Aza-Michael(HaM)策略合成了一个独特的含异吲哚啉和四氢异喹啉(THIQ)的三环舒马酸文库。异吲哚啉环和THIQ环均通过Heck反应安装在乙烯基磺酰胺上,然后进行一锅脱保护和分子内aza-Michael反应。随后用低聚甲醛缩合或1,1'-羰基二咪唑偶合进行的环化反应会生成各种三环磺胺。总体而言,使用该策略构建了具有160个成员的这些舒马酸及其异吲哚啉/ THIQ和仲磺酰胺前体的文库。