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Published on: August 7, 2018
Molybdenum-maltolate as a molybdopterin mimic for bioinspired oxidation reaction
Swapnil S Pawar1, Rohit N Ketkar1, Pranav B Gaware1
1Department of Speciality Chemicals Technology, Institute of Chemical Technology, Mumbai, N.P. Marg, Matunga, Mumbai, Maharashtra - 400019, India. nn.sadhukhan@ictmumbai.edu.in.
A novel molybdenum compound, [MoO2(Mal)2], acts as a stable biomimetic catalyst for oxidation reactions. Its low toxicity indicates potential as a molybdenum supplement.
Area of Science:
- Bioinorganic Chemistry
- Catalysis
- Molybdenum Chemistry
Background:
- Molybdenum-containing enzymes are crucial biological catalysts.
- Developing synthetic models of these enzymes aids in understanding their mechanisms.
- Hypoxanthine oxidation is a key biological process.
Purpose of the Study:
- To synthesize a novel cis-dioxomolybdenum(VI)-maltolate complex, [MoO2(Mal)2] (1).
- To evaluate compound 1 as a stable molybdopterin model for biomimetic catalysis.
- To investigate the catalytic activity and toxicity of compound 1.
Main Methods:
- Synthesis of cis-dioxomolybdenum(VI)-maltolate complex.
- Biomimetic catalysis of hypoxanthine oxidation in acetonitrile-water.
- Catalytic oxidation of toluene, diphenylmethane, and styrene.
- In vitro cytotoxicity and oral toxicity studies.
Main Results:
- A stable cis-dioxomolybdenum(VI)-maltolate complex, [MoO2(Mal)2] (1), was successfully prepared.
- Compound 1 demonstrated efficient catalytic activity in the oxidation of hypoxanthine.
- The complex also catalyzed the oxidation of toluene, diphenylmethane, and styrene.
- Cytotoxicity and oral toxicity studies indicated favorable safety profiles.
Conclusions:
- The synthesized [MoO2(Mal)2] complex serves as a stable and effective molybdopterin model.
- This compound shows significant potential for biomimetic catalysis.
- Its low toxicity suggests promising applications as a molybdenum supplement.
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