The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 1-Bromo-2-pentyne, is researched, Molecular C5H7Br, CAS is 16400-32-1, about An Expeditious Route for the Synthesis of Oxazepine Triazolo-β-Lactams through Intramolecular Metal-Free [3+2] Azide-Alkyne Cycloaddition, the main research direction is oxazepine triazolo beta lactam preparation azide alkyne cycloaddition.Synthetic Route of C5H7Br.
A copper-free intramol. azide-alkyne cycloaddition reaction of 4-hydroxymethyl-β-lactam with sodium azide was described. The present approach involves the incorporation of an alkyne moiety through O-alkynylation of 3-hydroxy β-lactam with various propargylic halides. The generality of the method was demonstrated by treating the corresponding tosylates or mesylates of the hydroxymethyl functionality of a variety of β-lactam-tethered terminal and internal alkynes with sodium azide in a one-pot three-step reaction to furnish novel oxazepane-β-lactam fused triazole scaffolds of diverse interest in good yield.
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Reference:
Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics