Takai Olefination ·
Aldehyde → (E)-Vinyl Iodide
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.com · RCHO + CHI₃ + CrCl₂ → (E)-RCH=CHI
Cr state
Cr(II)
E:Z
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reagents ready
Carbon (R chain)
Oxygen (carbonyl)
Iodine (from CHI₃)
Chromium(II)
Carbenoid / H
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