Synthesis of bis(1,5-disubstituted tetrazoles) via double four component Azido-Ugi reaction |
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| Authors: | Negin Dehghan Hossein Nasr-Isfahani Afshin Sarvary Mohammad Bakherad |
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| Institution: | 1. School of Chemistry, Shahrood University of Technology, Shahrood, Iran;2. Department of Chemistry, Faculty of Science, Babol Noshirvani University of Technology, Babol, Iran |
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| Abstract: | A double four component Azido-Ugi reaction of isocyanide, TMSN3, aldehyde, and 4,4′-sulfonyldianiline with two amine functional groups in MeOH at 65°C has been described. The synthesis of pharmacologically and structurally interesting compounds with two 1,5-disubstituted tetrazole rings via a reaction from available and inexpensive reagents under a convenient process and mild reaction conditions has been reported. Modifications in the structure of the reaction product could be followed by varying the aldehyde or isocyanide component. The products are new and were well described by Mass, 1H NMR, and 13C NMR spectral studies. |
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