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14 Results Found

  • Communication
  • Open Access
16 Citations
4,813 Views
10 Pages

Concerted Catalysis by Nanocellulose and Proline in Organocatalytic Michael Additions

  • Naliharifetra Jessica Ranaivoarimanana,
  • Kyohei Kanomata and
  • Takuya Kitaoka

29 March 2019

Cellulose nanofibers (CNFs) have recently attracted much attention as catalysts in various reactions. Organocatalysts have emerged as sustainable alternatives to metal-based catalysts in green organic synthesis, with concerted systems containing CNFs...

(This article belongs to the Special Issue Emerging Trends in Nanocelluloses)
  • Feature Paper
  • Article
  • Open Access
24 Citations
4,058 Views
9 Pages

20 June 2022

The photocatalytic transformation of CO2 to valuable man-made feedstocks is a promising method for balancing the carbon cycle; however, it is often hampered by the consumption of extra hole scavengers. Here, a synergistic redox system using photogene...

(This article belongs to the Special Issue Advanced Catalysts for Achieving Hydrogen Economy from Liquids)
  • Article
  • Open Access
20 Citations
11,587 Views
14 Pages

12 January 2015

Succinimide formation from aspartic acid (Asp) residues is a concern in the formulation of protein drugs. Based on density functional theory calculations using Ace-Asp-Nme (Ace = acetyl, Nme = NHMe) as a model compound, we propose the possibility th...

(This article belongs to the Special Issue Chemical Bond and Bonding 2015)
  • Short Note
  • Open Access
6 Citations
9,065 Views
11 Pages

28 May 2015

In glacial acetic acid, phthalanilic acid and its monosubstituents are known to be converted to the corresponding phthalimides in relatively good yields. In this study, we computationally investigated the experimentally proposed two-step (addition-el...

(This article belongs to the Special Issue Chemical Bond and Bonding 2015)
  • Article
  • Open Access
1,052 Views
15 Pages

Mechanistic and Kinetic Insights into the Acylation Reaction of Hepatitis C Virus NS3/NS4A Serine Protease with NS4B/5A Substrate

  • José Ángel Martínez-González,
  • Nuria Salazar-Sanchez,
  • María Larriva-Hormigos,
  • Rodrigo Martínez and
  • Miguel González

18 November 2025

Reaction mechanisms and rate constants of the acylation reaction of the hepatitis C virus (HCV) NS3/NS4A serine protease with the NS4B/5A natural substrate were studied using SCC-DFTB/MM (self-consistent charge density functional tight binding/molecu...

(This article belongs to the Section Chemical Biology)
  • Article
  • Open Access
13 Citations
7,541 Views
12 Pages

31 March 2015

Poly(lactic-co-glycolic acid) (PLGA) is a strong candidate for being a drug carrier in drug delivery systems because of its biocompatibility and biodegradability. However, in degrading PLGA matrices, the encapsulated peptide and protein drugs can und...

(This article belongs to the Special Issue Chemical Bond and Bonding 2015)
  • Review
  • Open Access
40 Citations
11,256 Views
35 Pages

Organocatalysis and Beyond: Activating Reactions with Two Catalytic Species

  • Arianna Sinibaldi,
  • Valeria Nori,
  • Andrea Baschieri,
  • Francesco Fini and ,
  • Antonio Arcadi and
  • Armando Carlone
  • + 1 author+ 0 author

6 November 2019

Since the beginning of the millennium, organocatalysis has been gaining a predominant role in asymmetric synthesis and it is, nowadays, a foundation of catalysis. Synergistic catalysis, combining two or more different catalytic cycles acting in conce...

  • Feature Paper
  • Review
  • Open Access
7 Citations
3,046 Views
21 Pages

Design of Multicatalytic Systems Through Self-Assembly

  • Antony E. Fernandes and
  • Alain M. Jonas

11 March 2025

The development of self-assembled multicatalytic systems has emerged as a promising strategy for mimicking enzymatic catalysis in synthetic systems. This approach leverages the use of non-covalent interactions, such as hydrophobic interactions, hydro...

(This article belongs to the Section Catalytic Materials)
  • Article
  • Open Access
2,594 Views
13 Pages

The Adaptative Modulation of the Phosphinito–Phosphinous Acid Ligand: Computational Illustration Through Palladium-Catalyzed Alcohol Oxidation

  • Romain Membrat,
  • Tété Etonam Kondo,
  • Alexis Agostini,
  • Alexandre Vasseur and ,
  • Paola Nava,
  • Laurent Giordano,
  • Alexandre Martinez,
  • Didier Nuel and
  • Stéphane Humbel
  • + 4 authors+ 0 author

22 October 2024

The phosphinito–phosphinous acid ligand (PAP) is a singular bidentate-like self-assembled ligand exhibiting dissymmetric but interchangeable electronic properties. This unusual structure has been used for the generation of active palladium hydr...

(This article belongs to the Section Cross-Field Chemistry)
  • Review
  • Open Access
25 Citations
7,233 Views
50 Pages

29 July 2021

Macroporous and hierarchically macro/mesoporous materials (mostly monoliths and microspheres) have attracted much attention for a variety of applications, such as supporting or enabling materials in chromatography, energy storage and conversion, cata...

(This article belongs to the Section Porous Materials)
  • Review
  • Open Access
40 Citations
11,792 Views
14 Pages

The Fe Protein: An Unsung Hero of Nitrogenase

  • Andrew J. Jasniewski,
  • Nathaniel S. Sickerman,
  • Yilin Hu and
  • Markus W. Ribbe

Although the nitrogen-fixing enzyme nitrogenase critically requires both a reductase component (Fe protein) and a catalytic component, considerably more work has focused on the latter species. Properties of the catalytic component, which contains two...

(This article belongs to the Special Issue Revealing Reaction Mechanisms in Homogeneous Transition Metal Catalysis)
  • Article
  • Open Access
1 Citations
1,732 Views
22 Pages

Theoretical Study on the Metabolic Mechanism of Heptachlor in Human Cytochrome P450 Enzymes

  • Xuerui Zhao,
  • Hao Zhang,
  • Xiaoli Shen,
  • Qingchuan Zheng and
  • Song Wang

26 February 2025

Heptachlor (HEP) is an insecticide metabolized by cytochrome P450 (CYP) enzymes in the human liver, resulting in the formation of heptachlor epoxide (HEPX). HEPX can persist in the human body for a long duration. Therefore, it can be extremely harmfu...

(This article belongs to the Special Issue Molecular Modeling: Latest Advances and Applications)
  • Article
  • Open Access
21 Citations
3,908 Views
27 Pages

8 November 2023

The integration of phosphorus chemistry with the mechanism of ATP synthesis/hydrolysis requires dynamical information during ATP turnover and catalysis. Oxygen exchange reactions occurring at β-catalytic sites of the FOF1-ATP synthase/F1-ATPase...

(This article belongs to the Special Issue Organophosphorus Chemistry: A New Perspective, 2nd Edition)
  • Article
  • Open Access
49 Views
18 Pages

Mechanistic DFT Insights into Biomimetic Mn-Porphyrin Catalysts for Peroxymonosulfate-Driven Degradation of Carbamazepine in Water

  • Mohammad Oves,
  • Muhammad B. Alim,
  • Sivaraman Chandrasekaran,
  • Huda A. Qari and
  • Majed Ahmed Al-Shaeri

28 October 2026

One of the most recalcitrant and environmentally persistent micropollutants detected worldwide in surface waters, groundwater, and treated effluents at concentrations ranging from ng L−1 to µg L−1 is carbamazepine (CBZ), a commonly...

(This article belongs to the Special Issue Catalysis for a Sustainable Future: Powering New Energy and Protecting the Environment)