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Crystals
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Coordination Complexes with Bio-Based Ligands
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Coordination Complexes with Bio-Based Ligands

A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Macromolecular Crystals".

Deadline for manuscript submissions: 25 August 2024 | Viewed by 2259

Special Issue Editor

Dr. Laurent Plasseraud

E-Mail Website
Guest Editor
CNRS - Institute of Molecular Chemistry, University of Burgundy (ICMUB), 21078 Dijon, France
Interests: coordination chemistry; main group metal chemistry; green chemistry; X-ray structural analysis

Special Issue Information

Dear Colleagues,

For environmental (depletion of raw materials), economic (price instability) and societal (awareness) reasons, the replacement of fossil resources (oil, gas, coal) appears to be crucial and a real challenge for the 21st century. Since the 1990s, with the establishment of the Green Chemistry concept, the chemical industry and academic laboratories have initiated a significant scientific change by imagining new, sustainable and safer reaction routes to replace the historic petroleum-based processes. Thus, the use of renewable raw materials in chemical processes, in particular from biomass, is now considered as an alternative, sustainable and well-adapted approach. Biomass can provide, directly or after extraction, a wide variety of molecules that can lead to higher value-added compounds. This is also true in the field of materials, where the development and study of new bio-based organic polymers is attracting strong and growing interest worldwide. In the field of coordination chemistry, bio-based molecules are also increasingly used as ligands for the design of coordination complexes with applications in catalysis for the construction of inorganic–organic hybrid materials or materials with biological and medical properties. This Special Issue is dedicated to all domains involving coordination complexes bearing bio-based ligands (derived from lignin, sugars, triglycerides, proteins, terpenes, rosin, etc.) We look forward to your future contributions which, supported by X-ray crystallographic diffraction analysis, will highlight new examples of such entities, illustrating the potential of bio-based molecules as suitable and innovative building blocks for coordination chemistry.

Dr. Laurent Plasseraud
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Crystals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • coordination chemistry
  • ligands
  • bio-based molecules
  • chemicals from biomass
  • biomolecules
  • green building blocks
  • metal complexes
  • coordination polymers
  • metal–organic materials
  • X-ray crystal structure determination

Published Papers (2 papers)

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Research

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15 pages, 4540 KiB  
Article
Synthesis and Structural Analysis of Chiral Bis-dihydro[1,3]-naphthoxazines and Imidazolidine Derivatives Prepared by Three-Component Mannich-Type Condensation
by Maya Tavlinova-Kirilova, Krasimira Dikova, Maya K. Marinova, Mariana Kamenova-Nacheva, Rusi Rusew, Hristina Sbirkova-Dimitrova, Boris Shivachev, Kalina Kostova and Vladimir Dimitrov
Crystals 2023, 13(10), 1495; https://doi.org/10.3390/cryst13101495 - 14 Oct 2023
Viewed by 952
Abstract
Enantiomerically pure (S)-1-phenylethan-1-amine has been applied in Mannich-type condensation between formaldehyde and naphthalenediols leading to the synthesis of chiral bis-dihydro[1,3]naphthoxazines in excellent yields. Salen-type structures have been synthesized, applying R,R- or S,S-cyclohexane-1,2-diamines in condensation with [...] Read more.
Enantiomerically pure (S)-1-phenylethan-1-amine has been applied in Mannich-type condensation between formaldehyde and naphthalenediols leading to the synthesis of chiral bis-dihydro[1,3]naphthoxazines in excellent yields. Salen-type structures have been synthesized, applying R,R- or S,S-cyclohexane-1,2-diamines in condensation with formaldehyde and naphthalene-2-ol. The obtained chiral imidazolidine derivatives of the type 1,1′-(((3a,7a)-hexahydro-1H-benzo[d]imidazole-1,3(2H)diyl)bis(methylene))bis(naphthalen-2-ol) were evaluated as pre-catalysts for the addition of diethyl zinc to aldehydes. The structures of the newly synthesized compounds were elucidated using 1D and 2D NMR experiments (COSY, HMBC, HSQS), elemental analysis, mass spectrometry (HRMS spectra) and single-crystal X-ray diffraction (SCXRD). The products were further characterized with powder X-ray diffraction (PXRD) and thermal analysis (DSC). Full article
(This article belongs to the Special Issue Coordination Complexes with Bio-Based Ligands)
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Review

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29 pages, 10556 KiB  
Review
Glycerol as Ligand in Metal Complexes—A Structural Review
by Laurent Plasseraud
Crystals 2024, 14(3), 217; https://doi.org/10.3390/cryst14030217 - 23 Feb 2024
Viewed by 924
Abstract
The molecule glycerol (H3gly) plays a key role in sustainable and green chemistry. Having been discovered for over 200 years and produced from vegetable oils and animal fats by hydrolysis, saponification and transesterification reactions, this natural triol is today employed in [...] Read more.
The molecule glycerol (H3gly) plays a key role in sustainable and green chemistry. Having been discovered for over 200 years and produced from vegetable oils and animal fats by hydrolysis, saponification and transesterification reactions, this natural triol is today employed in a wide range of cosmetic, food, polymer and pharmaceutical applications. Moreover, it is an essential C3 precursor in the chemical industry, used in the production of several intermediates and it avoids the need for petroleum-based precursors. Less famous but just as exciting, in the domain of coordination chemistry, glycerol is also proving to be a suitable ligand, capable of binding to one or more metal centres, either directly in its triol H3gly form (rather rare), or in its various deprotonated glycerolate forms, such as [H2gly]−, [Hgly]2− and [gly]3− (in most cases). Since the 1970s, various molecular structures prepared from glycerol and metallic and organometallic precursors, ranging from mononuclear complexes to sophisticated aggregates and coordination polymers, have been isolated and characterised. On the basis of the single-crystal X-ray diffraction structures described so far in the literature and deposited in the Cambridge Structural Database, in this structural inventory, we review the different modes of coordination of glycerol and glycerolates with metals. Full article
(This article belongs to the Special Issue Coordination Complexes with Bio-Based Ligands)
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