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چکیده
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Solid hybrid catalysts, are regarded as an important class of catalysts. In this work, HY zeolite has been functionalized by trimethoxysilyl propyl amine. Then, the amine group has been sulfonated by chloro sulfonic acid. All steps have been characterized by FT-IR, XRD, SEM analysis. After the characterization of the (ZHY@NH 2 @SO 3 H) catalyst, its catalytic activity was evaluated for the synthesis of Coumarin.
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