Concepedia

Nickel-Catalyzed Highly Regio- and Chemoselective Cocyclotrimerization of Propiolates with Allenes:  A Novel Route to Polysubstituted Benzene Derivatives

Muthian Shanmugasundaram, Ming‐Si Wu, Chien‐Hong Cheng

Organic Letters · 2001 · 71 citations · 14 references

DOI

Concepts

Abstract

The Ni(dppe)Br(2)/Zn system effectively catalyzes the cocyclotrimerization of propiolates with allenes. The reaction is highly regio- and chemoselective to afford polysubstituted benzene derivatives in good to excellent yields. [reaction: see text]

References

14

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Unusual Diboration of Allenes Catalyzed by Palladium Complexes and Organic Iodides:  A New Efficient Route to Biboronic Compounds

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Highly Regio- and Stereoselective Acylboration of Allenes Catalyzed by Palladium Complexes:  An Efficient Route to a New Class of 2-Acylallylboronates

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Highly Regio- and Stereoselective Cocyclotrimerization and Linear Cotrimerization of α,β-Unsaturated Carbonyl Compounds with Alkynes Catalyzed by Nickel Complexes

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Nickel-Catalyzed Highly Regio- and Stereoselective Cyclization of Oxanorbornenes with Alkyl Propiolates: A Novel Method for the Synthesis of Benzocoumarin Derivatives

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