Synthesis, Anti-inflammatory, and Antioxidant Activity of Mannich Bases of Dehydrozingerone Derivatives

    Published on:July 2018
    Journal of Young Pharmacists, 2018; 10(2s):S6-S10
    Original Article | doi:10.5530/jyp.2018.2s.2
    Authors:

    Hayun Hayun*, Arif Arrahman, Euis Maras Purwati, Arry Yanuar, Fransisca Fortunata, Freddyhan Suhargo, Discka Winda Syafiqah, Carissa Ignacia, Agnes Rebecca Novalia

    Faculty of Pharmacy, Universitas Indonesia, Depok, 16424, INDONESIA.

    Abstract:

    Objective: This study aims to synthesize a series of five new Mannich bases of dehydrozingerone (DHZ) derivatives and to evaluate for their antiinflammatory and antioxidant activity. Methods: The synthesis was performed by refluxing DHZ with formaldehyde and secondary amines, and the structures of the synthesized compounds were confirmed by FT-IR, 1H-NMR, 13C-NMR, and HR-MS. The anti-inflammatory and antioxidant activity evaluations were done by inhibition of heat-induced albumin denaturation and a free-radical DPPH method, respectively. Results: All the synthesized compounds (2a-e) showed anti-inflammatory and antioxidant activity. The highest anti-inflammatory activity was shown by compound 2c. The activity was comparable to the that of diclofenac sodium as a standard. While, the highest antioxidant activity was demostrated by compound 2e. The compound showed moderate activity compared to that of quercetin as a standard. Mostly of Mannich base derivatives of DHZ compounds exhibited higher antioxidant activity than that of DHZ. Conclusion: A series of five new Mannich bases of DHZ (2a-e) was synthesized successfully. Compound 2c demonstrated anti-inflammatory activity which was comparable to diclofenac sodium, while compound 2e exhibited moderate antioxidant activity compared to quercetin as standard.

    Key words: Dehydrozingerone, Mannich Bases, Synthesis, Anti-inflammatory, Antioxidant.

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