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  1. No Access

    Article

    Quantum mechanical modeling unveils the effect of substitutions on the activation barriers of the Diels–Alder reactions of an antiviral compound 7H-benzo[a]phenalene

    Density functional theory has been utilized for exploring the mechanism of Diels–Alder reaction between 7H-benzo[a]phenalene and maleic anhydride. 7H-Benzo[a]phenalene is an antiviral compound, and information av...

    Umatur Rehman, Asim Mansha, Muhammad Zahid, Sadia Asim… in Structural Chemistry (2022)

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    Article

    Recent trends in Grubbs catalysis toward the synthesis of natural products: a review

    A number of natural and biologically active compounds can be synthesized via ruthenium catalysis. As ruthenium is the cheapest noble metal and can be extensively used to synthesize a variety of catalysts, part...

    Tahira Bano, Ameer Fawad Zahoor, Nasir Rasool… in Journal of the Iranian Chemical Society (2022)

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    Article

    Volumetric and Acoustic Behavior of Sodium Cyclamate in Aqueous System from 293.15 K to 318.15 K

    Density (ρ) and sound velocity (u) measurements were carried for aqueous solutions of sodium cyclamate (SC) from 293.15 to 318.15 K. Apparent molar and specific volumes, isentropic apparent molar compressibility ...

    Muhammad Asghar Jamal, Muhammad Kaleem Khosa… in Journal of Solution Chemistry (2016)

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    Article

    Photoinduced electron transfer between triplet erythrosin dianion and highly charged ionic quenchers

    The lifetime of the lowest triplet state of the dianion erythrosin B depends on its concentration because of self-quenching. The self-quenching rate constants vary with the solution viscosity at room temperatu...

    Asim Mansha, Günter Grampp, Stephan Landgraf in Monatshefte für Chemie - Chemical Monthly (2011)