One more context in which decarboxylation comes up is in retro Diels-Alder reactions of pyrones. Treatment of pyrones having a dienophile like electron-weak alkynes accompanied by a retro Diels-Alder ends in a loss of CO2 in addition a whole new aromatic ring. Notice 5 – Why isn’t this carbon “resonance-stabilized”? https://auto-accident-legal-help89975.shoutmyblog.com/31741887/about-cbd-cannabidiol