Abstract
Abstract In the presence of Me 3 SiCl, Ti(O- i -Pr) 4 /Mg and CpTiCl 3 /Mg reagents effectively catalyzed the deprotection of allyloxycarbonyl (alloc)- and propargyloxycarbonyl (poc)-protected amines in THF at around room temperature to produce parent amines in good yields. Alloc- and poc-protected secondary amines were smoothly deprotected to parent amines by a reaction catalyzed by a Ti(O- i -Pr) 4 /Me 3 SiCl/Mg reagent. The deprotection of alloc- and poc-protected primary amines was successfully catalyzed by a CpTiCl 3 /Me 3 SiCl/Mg reagent.
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