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The Kowalski ester homologation is a chemical reaction for the homologation of esters.
Contents
This reaction was designed as a safer alternative to the Arndt–Eistert synthesis, avoiding the need for diazomethane. The Kowalski reaction is named after its inventor, Conrad J. Kowalski.
Reaction mechanism
The mechanism is disputed.
Variations
By changing the reagent in the second step of the reaction, the Kowalski ester homologation can also be used for the preparation of silyl ynol ethers.
References
Kowalski ester homologation Wikipedia(Text) CC BY-SA