A further context where decarboxylation will come up is in retro Diels-Alder reactions of pyrones. Cure of pyrones which has a dienophile like electron-lousy alkynes followed by a retro Diels-Alder leads to a lack of CO2 additionally a different aromatic ring. Chances are you'll are convinced CBD decarboxylation is unnecessary. https://stephenrlykb.tinyblogging.com/terpenes-fundamentals-explained-76149305