Silica supported lanthanum triflate mediated synthesis of 5-substituted-1H tetrazoles

@article{Meshram2014SilicaSL,
  title={Silica supported lanthanum triflate mediated synthesis of 5-substituted-1H tetrazoles},
  author={Gangadhar Meshram and Shruti S. Deshpande and P. Wagh and Vipul A. Vala},
  journal={Tetrahedron Letters},
  year={2014},
  volume={55},
  pages={3557-3560}
}
34 Citations
Silica Supported Lanthanum Triflate Mediated Synthesis of 5-Substituted 1H-Tetrazoles.
Optimized reaction conditions including silica supported lanthanum triflate as the catalyst are developed for the cycloaddition between aromatic nitriles and sodium azide to produce various
Efficient Synthesis of 5-Substituted 1H-Tetrazoles Catalysed by Silver(I) Bis(trifluoromethanesulfoyl)Nimide
An efficient method is developed for the synthesis of 5-substituted 1H-tetrazoles through the [3 + 2] cycloaddition reaction of nitriles with sodium azide using silver(I)
Synthesis of 5‐substituted 1H‐tetrazoles using a recyclable heterogeneous nanonickel ferrite catalyst
An efficient method was developed for the [2 + 3] cycloaddition of sodium azide with nitriles to afford 5-substituted 1H-tetrazoles using nanonickel ferrite (NiFe2O4) as an effective heterogeneous
A Magnetically Recoverable and Reusable Catalyst for Synthesis of 5-Substituted 1H-Tetrazoles
The nitrile group is valuable in organic synthesis and can be transformed to a variety of functional groups, including thiazoles, oxazolidones, triazoles, and tetrazoles. Moreover, aromatic nitrile...
A Practical Synthesis of 5-Substituted 1H-Tetrazoles from Aldoximes Employing the Azide Anion from Diphenyl Phosphorazidate
5-Substituted 1 H -tetrazoles were effectively synthesized from aldoximes and diphenyl phosphorazidate (DPPA) under reflux conditions in xylenes. Various aldoximes underwent the cycloaddition
A comparative study between heterogeneous stannous chloride loaded silica nanoparticles and a homogeneous stannous chloride catalyst in the synthesis of 5-substituted 1H-tetrazole
Heterogeneous SnCl2–nano-SiO2 efficiently catalyzed 5-substituted 1H-tetrazole synthesis with excellent yield. The catalyst was characterized by using FT-IR, TGA, TEM, and EDX. It is widely
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References

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TBAF-catalyzed synthesis of 5-substituted 1H-tetrazoles under solventless conditions.
Tetrabutylammonium fluoride (TBAF) is an efficient catalyst in the [3 + 2] cycloaddition reaction of organic nitriles 1 with trimethylsilyl azide (TMSN(3)) in solventless conditions. The
Antimony Trioxide as an Efficient Lewis Acid Catalyst for the Synthesis of 5-Substituted 1H-Tetrazoles
Abstract Sb2O3 was found to be effective as a catalyst for a smooth (2 + 3) cycloaddition of sodium azide with nitriles to afford 5-substituted 1H-tetrazoles in good yields.
Syntheses of 5-substituted 1H-tetrazoles catalyzed by reusable CoY zeolite.
TLDR
A simple and efficient route for the synthesis of 5-substituted 1H-tetrazoles catalyzed by CoY zeolite is reported, with salient features of aerobic conditions, lower reaction time, and milder reaction conditions without additives.
Phosphomolybdic Acid (H3Mo12O40P) as a Reusable Heterogeneous Catalyst for the Synthesis of 5-Substituted 1H-Tetrazoles via [2 + 3] Cycloaddition of Nitriles and Sodium Azide
Abstract An efficient and practical protocol for the preparation of 5-substituted 1H-tetrazole derivatives is reported using phosphomolybdic acid as an effective heterogeneous catalyst. Good yields,
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