4.5 Article

Sequential Sonogashira/Carbopalladative Cyclization/Suzuki Reactions Catalyzed by a Single Palladium Source by Using Protected Homopropargyl Alcohol

Journal

EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
Volume 2010, Issue 28, Pages 5391-5396

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.201000515

Keywords

Alkynes; Palladium; Cross-coupling; Cyclization; Domino reactions

Funding

  1. National Natural Science Foundation of China [20421202, 20372033]

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A novel cascade combination reaction catalyzed by a single palladium source for the synthesis of various indene derivatives is reported. The approach involved sequential Sonogashira/carbopalladative cyclization/Suzuki coupling reactions by using three readily available components, such as homopropargyl alcohol, aryl iodides or aryl bromides, and arylboronic acids. The overall domino reaction yields were up to 70%.

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