Article ID Journal Published Year Pages File Type
5269973 Tetrahedron Letters 2014 4 Pages PDF
Abstract

Silica supported lanthanum triflate (Ln(OTf)3-SiO2) promoted synthesis of 5-substituted 1H-tetrazoles via [3+2] cycloaddition between aromatic/heteroaromatic nitriles and sodium azide is a high product yielding, facile, and straightforward procedure. Non toxicity, recovery, and reusability for three continuous cycles are the noteworthy features of the currently employed heterogeneous catalyst.

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Physical Sciences and Engineering Chemistry Organic Chemistry
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