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Updated: Jun 1, 2025

Extraction of Lignin with High β-O-4 Content by Mild Ethanol Extraction and Its Effect on the Depolymerization Yield
10:18

Extraction of Lignin with High β-O-4 Content by Mild Ethanol Extraction and Its Effect on the Depolymerization Yield

Published on: January 7, 2019

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矿类氧化物LaCe1- coo3在素脱聚合和单醇制剂中的应用

Tao Zhu1,2, Yujie Wang1, Miao Chang1

  • 1School of Materials and Chemical Engineering, Chuzhou University Chuzhou Anhui 239000 China wangyj120@163.com.

RSC advances
|January 20, 2025
PubMed
概括

兰化矿矿催化剂有效地将红素转化为有价值的生物油和单醇. 在La0.6Ce0.4CoO3催化剂显示显著提高产量和减少碳形成.

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Preparation of Diols and Pinacol Rearrangement

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Accurate analysis of complex samples often requires advanced preparation techniques to achieve reliable and reproducible results. Samples containing inorganic or organic materials can be challenging to dissolve or decompose effectively. Standard sample preparation methods include acid digestion, fusion, dry ashing, and wet digestion.
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Reactions of Aldehydes and Ketones: Baeyer–Villiger Oxidation

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In the presence of oxidizing agents, phenols are oxidized to quinones. Quinones can be easily reduced back to phenols using mild reducing agents. The electron-donating hydroxyl group enhances the reactivity of the aromatic ring, enabling oxidation of the ring even in the absence of an α hydrogen.
o-hydroxy phenols are oxidized to o-quinones and p-hydroxy phenols to p-quinones. Such redox reactions involve the transfer of two electrons and two protons. The reversible redox...
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