Xu Z Wang Q Zhu J 2018 From tryptamine and secologanine, nature generates monoterpene indole alkaloids with an unprecedented level of skeletal diversity through a 'couple-divert' sequence. Intrigued by this biosynthetic machinery, new strategies and tactics to access skeletally distinct natural products are continuously emerging. In this Tutorial Review, we'll present a simplified view of nature's logic for biosynthesis and the representative strategies and tactics developed for the divergent total synthesis of monoterpene indole alkaloids. Our group has been developing a 'couple-divert' approach with the strategic use of cycloalkene as a pluripotent motif in the synthetic design and has developed an integrated oxidation/reduction/cyclization (iORC) sequence for transforming functionalized cycloalkenes, easily available by a variety of cross-coupling reactions, to skeletally diverse natural products. The integration of controlled regio-, chemo- and stereo-selective cyclization and heteroannulation reactions into these domino sequences will be highlighted. https://sonar.ch/global/documents/204587 eng info:eu-repo/semantics/altIdentifier/doi/10.1039/c8cs00454d info:eu-repo/semantics/altIdentifier/pmid/30123914 Chemical Society reviews. - 2018 Metamorphosis of cycloalkenes for the divergent total synthesis of polycyclic indole alkaloids. http://purl.org/coar/resource_type/c_6501