Synthesis of Z-alkenes via visible light promoted photocatalytic E → Z isomerization under metal-free conditions†
Yongqiang
Zhang 
*a
and
Wei
Wang
*ac
*a
and
Wei
Wang
*ac
Abstract
A green approach for the synthesis of thermodynamically less stable Z-alkenes has been presented through the exploration of visible light promoted photocatalytic E-to-Z isomerization. This protocol features metal-free conditions, which is operationally simple, remarkably clean, and allows the synthesis of both electron-rich and electron-deficient Z-alkenes with diverse functional groups.
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