Mild Photocatalytic Hydrodecarboxylation of Fatty Acid Derivatives using Xanthene Dyes for Biomass Valorization

IF 2.7 3区化学 Q2 CHEMISTRY, ORGANIC

European Journal of Organic Chemistry Pub Date : 2025-09-23 DOI:10.1002/ejoc.202500725

Jhudson G. L. de Araujo , Thays L. Lemos , Walber M. de O. Domingos , Maria do S. B. da Silva , Pedro H. do N. Silva , Aecia S. D. dos Anjos , Carlos A. Martínez‐Huitle , Elisama V. dos Santos , Amanda D. Gondim , Lívia N. Cavalcanti

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Abstract

A complementary and practical method for the synthesis of renewable C_n–1 hydrocarbons with yields of up to 80%, via mild photocatalytic hydrodecarboxylation of fatty acids activated as N‐hydroxyphthalimide esters, is reported herein. Inexpensive, easy‐to‐handle, and environmentally friendly xanthene dyes (Eosin Y or Fluorescein‐Na₂) act as photocatalysts, with DIPEA serving as both sacrificial reductant and hydrogen donor. The reactions proceed under visible light, at room temperature and atmospheric pressure, in open‐air conditions. Additionally, a one‐pot application is demonstrated, involving in situ ester formation and scale‐up using a real mixture of fatty acids derived from vegetable oil, for photocatalytic biomass valorization.

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利用杂蒽染料进行脂肪酸衍生物轻度光催化加氢脱羧的研究

本文报道了一种互补的、实用的方法，通过对N -羟基邻苯二胺酯活化的脂肪酸进行轻度光催化加氢脱羧，合成可再生的Cn-1碳氢化合物，收率高达80%。价格低廉，易于处理，环保的杂蒽染料（伊红Y或荧光素Na2）作为光催化剂，DIPEA作为牺牲还原剂和氢供体。反应在可见光下、室温和常压下、露天条件下进行。此外，还演示了一锅应用，包括原位酯形成和使用植物油中提取的脂肪酸的真实混合物进行放大，用于光催化生物质增值。

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来源期刊

European Journal of Organic Chemistry 化学-有机化学

CiteScore

5.40

自引率

3.60%

发文量

752

审稿时长

1 months

期刊介绍： The European Journal of Organic Chemistry (2019 ISI Impact Factor 2.889) publishes Full Papers, Communications, and Minireviews from the entire spectrum of synthetic organic, bioorganic and physical-organic chemistry. It is published on behalf of Chemistry Europe, an association of 16 European chemical societies. The following journals have been merged to form two leading journals, the European Journal of Organic Chemistry and the European Journal of Inorganic Chemistry: Liebigs Annalen Bulletin des Sociétés Chimiques Belges Bulletin de la Société Chimique de France Gazzetta Chimica Italiana Recueil des Travaux Chimiques des Pays-Bas Anales de Química Chimika Chronika Revista Portuguesa de Química ACH—Models in Chemistry Polish Journal of Chemistry.