Oxidative Neutralisation of Sulfur-Based Chemical Warfare Agents Mediated by a Lipase: From Batch to Flow Reactor

IF 3.7 2区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY Chemistry - A European Journal Pub Date : 2025-01-05 DOI:10.1002/chem.202403701
Maxime Boddaert, Valmir Baptista da Silva, Sergui Mansour, Daniela Vuluga, Pierre-Yves Renard, Jean-Christophe M. Monbaliu, Julien Legros
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Abstract

The sulfur-containing chemical warfare agents sulfur mustard HD and nerve agent VX are highly toxic and persistent in the environment. Therefore, their neutralisation requires harsh oxidation conditions, but also precise selectivity. Here we report the safe and effective detoxification of surrogates CEES and PhX by selective oxidation of the sulfur atom by generating peracetic acid from AcOEt and aq. H2O2 assisted by the supported lipase CALB. Morever, it is possible to perform these neutralisations with safe ‘on demand’ generation of AcOOH in a flow system by using a packed bed reactor containing the supported biocatalyst.

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脂肪酶介导的硫基化学战剂的氧化中和:从间歇反应器到流动反应器。
含硫化学战剂硫芥子气HD和神经毒剂VX在环境中具有高毒性和持久性。因此,它们的中和需要苛刻的氧化条件,但也需要精确的选择性。本文报道了在负载型脂肪酶CALB的辅助下,由AcOEt和aq. H2O2生成过氧乙酸,通过选择性氧化硫原子来安全有效地解毒CEES和PhX。此外,通过使用含有支撑生物催化剂的填充床反应器,可以在流动系统中安全地“按需”生成AcOOH。
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来源期刊
Chemistry - A European Journal
Chemistry - A European Journal 化学-化学综合
CiteScore
7.90
自引率
4.70%
发文量
1808
审稿时长
1.8 months
期刊介绍: Chemistry—A European Journal is a truly international journal with top quality contributions (2018 ISI Impact Factor: 5.16). It publishes a wide range of outstanding Reviews, Minireviews, Concepts, Full Papers, and Communications from all areas of chemistry and related fields. Based in Europe Chemistry—A European Journal provides an excellent platform for increasing the visibility of European chemistry as well as for featuring the best research from authors from around the world. All manuscripts are peer-reviewed, and electronic processing ensures accurate reproduction of text and data, plus short publication times. The Concepts section provides nonspecialist readers with a useful conceptual guide to unfamiliar areas and experts with new angles on familiar problems. Chemistry—A European Journal is published on behalf of ChemPubSoc Europe, a group of 16 national chemical societies from within Europe, and supported by the Asian Chemical Editorial Societies. The ChemPubSoc Europe family comprises: Angewandte Chemie, Chemistry—A European Journal, European Journal of Organic Chemistry, European Journal of Inorganic Chemistry, ChemPhysChem, ChemBioChem, ChemMedChem, ChemCatChem, ChemSusChem, ChemPlusChem, ChemElectroChem, and ChemistryOpen.
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