Abstract
Benzimidazole derivatives have attracted a significant attention in recent years because of their medicinal applications as antiviral, antiulcer, antifungal, antihypertensive, anticancer, and antihistamine compounds. The one-pot synthesis of benzimidazole derivatives via oxidative condensation of aromatic aldehydes with o-phenylenediamines under mild conditions was successfully accomplished using a cobalt(II) supported on mesoporous silica-type material. The supported cobalt catalyst could be easily recovered after reaction completion and reused seven times with an excellent durability and without any noticeable loss in activity.
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Acknowledgments
FR is grateful to Payame Noor University for support of this work. SD gratefully acknowledges University Grants Commission (UGC), India for the financial support during the preparation of this manuscript.
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Rajabi, F., De, S. & Luque, R. An Efficient and Green Synthesis of Benzimidazole Derivatives Using SBA-15 Supported Cobalt Nanocatalysts. Catal Lett 145, 1566–1570 (2015). https://doi.org/10.1007/s10562-015-1546-z
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DOI: https://doi.org/10.1007/s10562-015-1546-z