Wittig reactions in water media employing stabilized ylides with aldehydes. Synthesis of α, β-unsaturated esters from mixing aldehydes, α-bromoesters, and Ph3P in …

A El-Batta, C Jiang, W Zhao, R Anness…

文献索引：Nonnenmacher, Axel; Mayer, Richard; Plieninger, Hans Liebigs Annalen der Chemie, 1983 , # 12 p. 2135 - 2140

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被引用次数: 138

摘要

... 8). i Reflux CH 2 Cl 2 , 4 h. 20a j [Bmim][BF 4 ], 60 °C, 72 h. 25 k MeOH, 20 °C, 3 h. l Reflux THF, 12 h. 43 ... An elevated reaction temperature when using solid aldehydes such as p-nitro- (entry 8), p-cyano- (entry 10), or p-bromobenzaldehyde (entry 11) provides high yields of the ...