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Expt 3: Reduction of Vanillin with Sodium Borohydride to ...
tigerweb.towson.edufirst be deprotonated with the strong base sodium hydroxide in order for it to dissolve. Phenols (pKa = 10) are considerably more acidic than ordinary alcohols (pKa = 16-18) because the conjugate base (called a phenolate) is resonance stabilized. Since sodium hydroxide is the conjugate base of water (pK a = 15.7), the deprotonation of vanillin will
Rhodia shares its experience - Leffingwell & …
www.leffingwell.comRhodia shares its experience in vanillin manufacture in China Rhodia acquired in 2000 the existing business of the Chinese company Xuebao Fine Chemicals Co. Ltd,