Heterocyclic Compounds
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ChemInform Abstract: Novel Synthesis of Heterocycles Using Zirconium-Catalyzed Diene Cyclization.
First published: February 7, 1995
Abstract
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ChemInform Abstract
Reaction of the diene (I) in the presence of BuMgBr/ZrCl2(Cp)2 results in cyclization to give the hexahydroindole (II) as the major product. Conditions A) are found to be the most effective ones. The intermediate Mg complex, when treated with a series of electrophiles, gives the heterocycles shown in the scheme.
