Ethyl (tributylstannyl)acetate: A versatile reagent for the carboethoxymethylation of functionalized pyridines

Add time:08/04/2019    Source:sciencedirect.com

Ethyl (tributylstannyl)acetate adds chemoselectively to acylpyridinium salts to yield a variety of dihydropyridines with diverse functional groups. These compounds are useful precursors for the preparation of a variety of N-heterocycles. The regiochemistry of the reaction is addressed and the results are rationalized based on the HSAB principle.

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