Hydrochloric Acid → Ethyl 2-ethylnorleucinate

참여 물질

반응 조건

반응 단계

A solution of the product from step (c) (1 mole) in 1N aqu. HCl (1.2 moles) was stirred for 10 minutes at room temperature, then washed with toluene. The pH of the remaining aqueous phase was adjusted to 7 using 12.5% w/v sodium hydroxide, then cooled to 10° C., further basified to pH 12 and extracted with toluene. The extracts were combined, washed with brine, dried and evaporated in vacuo. The residue was distilled to give the desired product as an oil (70-80% yield).

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