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The present invention provides a 1, 2 – four hydrogens different wicked zuo hydrochloride preparation method, mainly solves the low yield in the synthesis process, the reaction is not easy to control, the operation of the experiment the technical problem of the inconvenience, the present invention in order to N – tert butoxycarbonyl – hydroxylamine hydrochloride and 1, 3 – dibromo propane is used as the starting material, in order to sodium hydroxide as the alkali, tetrahydrofuran as the solvent, heating to reflux 6 hours so as to prepare N – Boc – four hydrogens different wicked zuo, then removing the Boc protection, get 1, 2 – four hydrogens different wicked zuo hydrochloride. 1. 2 – Four hydrogens different wicked zuo hydrochloride useful intermediates in the synthesis of many drugs. (by machine translation)
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Reference：
Oxazolidine – Wikipedia,
Oxazolidine | C3H1258NO – PubChem