作为一种可回收的新型生物催化剂，用于在水中合成吡咯

IF 4.3 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

BMC Chemistry Pub Date : 2024-09-28 DOI:10.1186/s13065-024-01269-1

Mandana Armin, Abbas Ali Jafari, Beheshteh Arjmandzadeh

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引用次数: 0

摘要

通过将氯磺酸（ClSO3H）加入到 Humin 中，轻松制备了新型高效生物基磺酸 Humin-Sulfuric acid（Humin-SO3H），并通过电位滴定和傅立叶变换红外光谱对其进行了表征。Humin-SO3H 是一种用于 Paal-Knorr 和 Clauson-Kaas 吡咯合成的环保、异相生物基高效催化剂。该催化剂只需简单过滤即可轻松回收，即使经过 4 次循环也具有极佳的转化效率。此外，由于生物催化剂可以脱离反应介质，因此可以获得所需的高纯度产品，而且产量极高。由于 Humin-SO3H 具有很高的水分散性，因此可用作合成吡咯的高效绿色催化剂。

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Humin-sulfuric acid as a novel recoverable biocatalyst for pyrrole synthesis in water

Humin-sulfuric acid (Humin-SO₃H) as a novel efficient biobased sulfonic acid was easily prepared by adding chlorosulfuric acid (ClSO₃H) to Humin and characterized by potentiometric titration and FT-IR spectrum. Humin-SO₃H is an eco-friendly, heterogeneous biobased, and efficient catalyst for Paal-Knorr and Clauson-Kaas pyrrole synthesis. The catalyst is easily recovered by simple filtration and has excellent turnover efficiency even after 4 cycles. Besides, due to the clearance of the biocatalyst away from the reaction media, the desired highly pure products can be achieved in high to excellent yields. Due to high water dispersibility, Humin-SO₃H can be utilized as a highly efficient green catalyst for pyrrole synthesis.

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来源期刊

BMC Chemistry Chemistry-General Chemistry

CiteScore

5.30

自引率

2.20%

发文量

审稿时长

27 weeks

期刊介绍： BMC Chemistry, formerly known as Chemistry Central Journal, is now part of the BMC series journals family. Chemistry Central Journal has served the chemistry community as a trusted open access resource for more than 10 years – and we are delighted to announce the next step on its journey. In January 2019 the journal has been renamed BMC Chemistry and now strengthens the BMC series footprint in the physical sciences by publishing quality articles and by pushing the boundaries of open chemistry.