Abstract
Enynoindoles undergo metathesis reactions leading to structures related to alkaloids. The formation of an unexpected product is reported and discussed
Highlights
The use of the new ruthenium carbene complexes introduced by Grubbs as efficient catalysts for metathesis reactions[1] has led to a great increase in the synthetic applications of these processes
Following our ongoing program consisting of the use of aromatic enynes and dienes as starting materials for the synthesis of natural products,[3] we were interested in obtaining polycycloindoles[4] by metathesis reactions
We report an anomalous result with one compound similar to those used in our previous report that gives an un-precedent product in metathesis catalysed by ruthenium carbene complexes
Summary
The use of the new ruthenium carbene complexes introduced by Grubbs as efficient catalysts for metathesis reactions[1] has led to a great increase in the synthetic applications of these processes. New generations of catalysts have increased the scope of the reaction.[2] Following our ongoing program consisting of the use of aromatic enynes and dienes as starting materials for the synthesis of natural products,[3] we were interested in obtaining polycycloindoles[4] by metathesis reactions.
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