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Synlett 2006(19): 3185-3204
DOI: 10.1055/s-2006-951528
DOI: 10.1055/s-2006-951528
ACCOUNT
© Georg Thieme Verlag Stuttgart · New YorkPalladium-Catalysed Cross-Coupling Reactions on Pyridazine Moieties
Further Information
Received
9 March 2006
Publication Date:
23 November 2006 (online)
Publication History
Publication Date:
23 November 2006 (online)
Abstract
This Account focuses on the palladium-catalysed cross-coupling reactions of pyridazines. The pyridazine moiety is of significant importance in the pharmaceutical as well as the agrochemical field. Synthetic transformations on this moiety, to yield several diverse analogues for a wide array of applications, have received a considerable boost with the advent of palladium-catalysed cross-coupling reactions. These reactions facilitate the direct introduction of suitable groups on the pyridazine nucleus via carbon-carbon or carbon-heteroatom bond formations. This Account presents a brief account of the inherent advantages of palladium chemistry on this moiety followed by seminal work and subsequent developments on this topic.
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1 Introduction
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2 Carbon-Carbon Bond Formation Reactions
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2.1 Suzuki Reaction
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2.2 Stille Reaction
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2.3 Sonogashira Reaction
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2.4 Heck-Type Reaction
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2.5 Other Palladium-Catalysed Carbon-Carbon Bond
Formation Reactions on the Pyridazine Nucleus -
3 Carbon-Heteroatom Bond Formation Reactions
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3.1 Buchwald-Hartwig Amination
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4 Conclusion
Key words
pyridazines - pyridazinones - palladium - cross-coupling reactions
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