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INTRAMOLECULAR 1,3-DIPOLAR CYCLOADDITION OF DIAZIDO-TERMINAL DIALKYNES: SYNTHESIS OF NEW POLYOXYETHYLENE FUSED EXO-BIS(1,2,3-TRIAZOLO-1,4-OXAZINES)
Journal article   Peer reviewed

INTRAMOLECULAR 1,3-DIPOLAR CYCLOADDITION OF DIAZIDO-TERMINAL DIALKYNES: SYNTHESIS OF NEW POLYOXYETHYLENE FUSED EXO-BIS(1,2,3-TRIAZOLO-1,4-OXAZINES)

Nejib Hussein Mekni
Heterocycles, Vol.92(8), pp.1490-1496
01/08/2016
DOI: https://doi.org/10.3987/COM-16-13498

Abstract

Chemistry Chemistry, Organic Physical Sciences Science & Technology
The synthesis of new tetraheterocyclic 1,5-disubstituted exo-heterocyclic polyoxyethylene bis(1,2,3-triazolo-1,4-oxazine) is achieved through nucleophilic azide ion ring opening reaction on polyoxyethylene dioxiranes, followed by an O-propargylation, then thermal uncatalyzed intramolecular cycloaddition.

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