Tetrahedron Letters p. 14 - 17 (2018)
Update date:2022-08-02
Topics: Aerobic Oxidation Copper-Catalyzed One-Pot Wittig Reaction Facile Synthesis
Ren, Cheng
Shi, Zhenyu
Ding, Weijie
Liu, Zhiqing
Jin, Huile
Yu, Xiaochun
Wang, Shun
An efficient one-pot synthesis of α, β-unsaturated esters through the aerobic oxidation – Wittig tandem reaction of alcohols and phosphorous ylide is developed. This new method operates under mild reaction conditions, and uses CuI/TEMPO (TEMPO = 2,2,6,6-tetramethylpiperidine-N-oxyl) as co-catalyst and air (O2) as the oxidant. It tolerates a wide range of functionalized benzylic alcohol and aliphatic alcohols.
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