化学
环加成
马来酰亚胺
双环分子
庚烷
光敏剂
组合化学
光化学
基质(水族馆)
试剂
有机化学
催化作用
海洋学
地质学
出处
期刊:Synthesis
[Georg Thieme Verlag KG]
日期:2021-04-12
卷期号:54 (04): 925-942
被引量:5
摘要
Abstract A highly efficient [2+2] cycloaddition between maleimides and unsaturated moieties, utilizing a visible-light triplet sensitization mode, has been developed for the direct synthesis of multifunctional 3-azabicyclo[3.2.0]heptane derivatives. This reaction relies on selective activation of the maleimide functionality upon energy transfer from a new photosensitizer that outperforms diverse well-established photosensitizers. The strategy developed herein overcomes previous obstacles such as limited substrate scope and undesired reaction pathways under harsh UV irradiation.
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