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Creators/Authors contains: "Diver, Steven_T"

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  1. ; ; ; (, Chemistry – A European Journal)
    Abstract A variety of 1‐aryl‐1,3‐dienes were isomerized fromEtoZisomers by photocatalysis using Ru(bpy)3[PF6]2and blue LED light. Enrichment of theZ‐isomer is thought to occur by selective triplet energy transfer from the photocatalyst to the stereoisomeric mixture. The 1,3‐diene starting materials are easily made by catalytic ene‐yne metathesis (EYM). To access 1,3‐dieneZ‐stereoisomers directly, a one pot procedure was developed. Additional 1,3‐dienes were investigated for both isomerization andZ‐enrichment. The combination of cross EYM with photocatalysis allows for the stereoconvergent synthesis ofZ‐1,3‐dienes. 
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