Optimization of the nitrogen and oxygen element distribution in microalgae by ammonia torrefaction pretreatment and subsequent fast pyrolysis process for the production of N-containing chemicals DOI
Cong Li, Liang Zhu, Zhongqing Ma

et al.

Bioresource Technology, Journal Year: 2020, Volume and Issue: 321, P. 124461 - 124461

Published: Dec. 1, 2020

Language: Английский

Recent Advances in the Green Synthesis of Active N-Heterocycles and Their Biological Activities DOI Creative Commons
Suman Majee,

Shilpa Shilpa,

Mansi Sarav

et al.

Pharmaceuticals, Journal Year: 2023, Volume and Issue: 16(6), P. 873 - 873

Published: June 13, 2023

N-heterocyclic scaffolds represent a privileged architecture in the process of drug design and development. It has widespread occurrence synthetic natural products, either those that are established or progressing as potent candidates. Additionally, numerous novel analogues with remarkable physiological significance extended pharmaceutical applications escalating progressively. Hence, classical protocols need to be improvised according modern requirements for efficient eco-friendly approaches. Numerous methodologies technologies emerged address green sustainable production various pharmaceutically medicinally important compounds last few years. In this context, current review unveils greener alternatives direct access categorically differentiated derivatives its application establishment biologically active molecules design. The methods accentuated includes microwave-assisted reactions, solvent-free approaches, heterogeneous catalysis, ultrasound biocatalysis.

Language: Английский

Citations

27

Catalytic high-yield biodiesel production from fatty acids and non-food oils over a magnetically separable acid nanosphere DOI
Heng Zhang, Lilong Zhang, Xiang Shi Tan

et al.

Industrial Crops and Products, Journal Year: 2021, Volume and Issue: 173, P. 114126 - 114126

Published: Oct. 11, 2021

Language: Английский

Citations

44

Characteristics of bio-oil and biochar from cotton stalk pyrolysis: Effects of torrefaction temperature and duration in an ammonia environment DOI
An Zhao, Shanjian Liu, Jingang Yao

et al.

Bioresource Technology, Journal Year: 2021, Volume and Issue: 343, P. 126145 - 126145

Published: Oct. 19, 2021

Language: Английский

Citations

41

Nitrogen heterocycles in bio-oil produced from hydrothermal liquefaction of biomass: A review DOI
Lijian Leng,

Junhui Zhou,

Tanghao Li

et al.

Fuel, Journal Year: 2022, Volume and Issue: 335, P. 126995 - 126995

Published: Dec. 6, 2022

Language: Английский

Citations

33

Acid hydrolysis of chitin in calcium chloride solutions DOI
Yudi Wang, Jia Kou, Xuewei Wang

et al.

Green Chemistry, Journal Year: 2023, Volume and Issue: 25(7), P. 2596 - 2607

Published: Jan. 1, 2023

This work describes a mild aging-hydrolysis integrated approach to selectively produce N -acetyl- d -glucosamine from chitin in cheap and abundant CaCl 2 -based molten salt hydrate solvents.

Language: Английский

Citations

21

Enzyme-mimicking single atoms enable selectivity control in visible-light-driven oxidation/ammoxidation to afford bio-based nitriles DOI
Ye Meng,

Jinshu Huang,

Jie Li

et al.

Green Chemistry, Journal Year: 2023, Volume and Issue: 25(11), P. 4453 - 4462

Published: Jan. 1, 2023

A novel enzyme-mimicking photocatalyst was developed to subtly regulate reactive species formation at the atomic level for control of selectivity in oxidation/ammoxidation synthesize biomass-derived nitriles, aldehydes, or imines room temperature.

Language: Английский

Citations

20

Utilization and valorization of pharmaceutical process residues: Current status and future trends DOI
Hao Zhan,

Xuebin Liang,

Yilin Wei

et al.

Journal of Cleaner Production, Journal Year: 2024, Volume and Issue: 438, P. 140751 - 140751

Published: Jan. 1, 2024

Language: Английский

Citations

8

Recent Advances of Producing Biobased N-Containing Compounds via Thermo-Chemical Conversion with Ammonia Process DOI
Lujiang Xu,

Chenchen Shi,

Zijian He

et al.

Energy & Fuels, Journal Year: 2020, Volume and Issue: 34(9), P. 10441 - 10458

Published: Aug. 20, 2020

Biomass is regarded as an abundant feedstock for producing renewable biofuels and chemicals. Thanks to their inherent chemical functionality reactivity, biomass resources also have infinite possibilities replace fossil N-containing compounds by the introduction of nitrogen heteroatoms. Thermo-chemical conversion derived substrates with ammonia into has been identified a promising strategy received growing research interest. This review summarizes recent progress in different from biobased via thermo-chemical (TCC-A) process, which provides some valuable information researchers accomplish sustainable synthesis value-added compounds. The substrate scope covers bioderived small molecules raw biomass. reaction mechanism typical pathway preparation those compounds, such pyridines, pyrroles, indoles, nitriles, amines, are summarized outlined. Finally, critical challenges stimulating perspectives provided.

Language: Английский

Citations

46

Organic Azides: Versatile Synthons in Transition Metal‐Catalyzed C(sp2)−H Amination/Annulation for N‐Heterocycle Synthesis DOI
Zi‐Kui Liu, Quanqing Zhao, Yang Gao

et al.

Advanced Synthesis & Catalysis, Journal Year: 2020, Volume and Issue: 363(2), P. 411 - 424

Published: Nov. 14, 2020

Abstract Organic azides are highly reactive, which have long established as versatile building blocks in the assembly of structurally diverse N‐containing heterocycles. The conversion organic into high‐value compounds is great importance and a subject enormous current interest. Transition metal‐catalyzed C( sp 2 )−H amination/annulation provides powerful tool for transformation wide range biologically important heterocyclic frameworks. In this review, we aim to summarize recent progress on azides‐mediated N‐heterocycle synthesis enabled by transition metal catalysts. Representative strategies discussed detail, including catalytic systems, reaction scopes, limitations mechanisms. magnified image

Language: Английский

Citations

44

Reductive amination of levulinic acid or its derivatives to pyrrolidones over heterogeneous catalysts in the batch and continuous flow reactors: A review DOI
Marina Bukhtiyarova, G. A. Bukhtiyarova

Renewable and Sustainable Energy Reviews, Journal Year: 2021, Volume and Issue: 143, P. 110876 - 110876

Published: March 11, 2021

Language: Английский

Citations

38