Complexity‐increasing Domino reactions comprising C–H allenylation, Diels‐Alder reaction and retro‐Diels‐Alder reaction were realized by a versatile catalyst derived from earth‐abundant, non‐toxic manganese. The C–H activation/Diels‐Alder/retro‐Diels‐Alder alkyne annulation sequence provided step‐economical access to valuable indolone alkaloid derivatives through a facile organometallic C–H activation manifold with transformable pyridines.
from A via a.sfakia on Inoreader http://bit.ly/2Bxgs4g
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Medicine by Alexandros G. Sfakianakis,Anapafseos 5 Agios Nikolaos 72100 Crete Greece,00302841026182,00306932607174,alsfakia@gmail.com,