Sodium Carbonate → 1-(3,4,5-Trimethoxybenzoyl)-3-phenyl-3-(2-hydroxyethyl)pyrrolidine

참여 물질

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반응 단계

Combine (−)-3-phenyl-3-(2-hydroxyethyl)pyrrolidine (R,R)-di-p-anisoyltartaric acid salt (56.0 g, 92.1 mmol), sodium carbonate (19.5 g, 184 mmol) in ethyl acetate (2 L) and water (2 L). Cool to about 0° C. in an ice bath. After 30 minutes, slowly add dropwise portionwise 3,4,5-trimethoxybenzoyl chloride (21.2 g, 92.1 mmol). After the addition is complete, warm to ambient temperature. After 1 hour, dilute the reaction mixture ethyl acetate and extract with water, 1 M aqueous hydrochloric acid solution, and then brine. Dry the organic layer over Na2SO4, filter, and evaporate in vacuo to give the title compound.

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