EFFICIENT SYNTHESIS OF PYRANOPYRAZOLE DERIVATIVES USING SILICA GRAFTED COPPER STANNATECATALYST
نویسندگان
چکیده
The CuSnO3:SiO2 catalyst was synthesized by hydrothermal method. polycrystalline products were analyzed using various physical investigative techniques including XRD, SEM, TEM and BET surface area. present study deals with one-pot, four component reaction of aldehydes, malononitrile hydrazine hydrate ethyl acetoacetate in the presence catalytic amount Silica grafted CuSnO3 ethanol at 70°C to prepare series pyranopyrazoles. This method gives high yield pyranopyrazoles short time economic availability easy purification.
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ژورنال
عنوان ژورنال: Journal of advanced scientific research
سال: 2022
ISSN: ['0976-9595']
DOI: https://doi.org/10.55218/jasr.202213206