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Chemistry
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Green Chemistry—a Themed Issue in Honor of Professor James Clark
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Green Chemistry—a Themed Issue in Honor of Professor James Clark

A special issue of Chemistry (ISSN 2624-8549). This special issue belongs to the section "Green and Environmental Chemistry".

Deadline for manuscript submissions: closed (15 September 2023) | Viewed by 8197

Special Issue Editor

Prof. Dr. Mark Mascal

E-Mail Website
Guest Editor
Department of Chemistry, University of California Davis, 1 Shields Avenue, Davis, CA, USA
Interests: sustainable synthetic chemistry; biorefinery research; cellulose; materials chemistry; medicinal chemistry; computational modeling

Special Issue Information

Dear Colleagues,

The name James Clark has become synonymous with green chemistry. It would be fair to say that, in terms of research, outreach activity, collaborations, book and journal publications, and worldwide speaking engagements, no single person has a more esteemed profile in the field. Professor Clark was the head of the Green Chemistry Centre of Excellence at the University of York from 2006 until his retirement from that role in 2022. He also founded the RSC journal Green Chemistry, and served as its first scientific editor. His work has been the basis for the launch of three successful companies which produce sustainable materials and solvents. There is also a long list of other accolades too extensive to detail here. This Special Issue will focus on the aspects of green chemistry that James Clark has promoted in the course of his academic career, organized around the general concept of sustainable chemistry with the potential for commercial translation, as spelled out below:

(1) Practical, market-driven, sustainable chemistry research. There is a saying: "no matter how elegant your chemistry is, if nobody can market your process, it is not going to save any polar bears." Projections that maintain the status quo in terms of fossil vs. renewable carbon use point to a >3 °C global temperature increase by the end of the century, which would lead to the inundation of coastal land masses, unprecedented weather extremes, disruption of agriculture, water conflicts, and ultimate decline in the global economy. This means we cannot continue to simply wave the green flag over our research efforts only because they adhere to one or more of the twelve Principles of Green Chemistry. Submissions in this section will thus describe methods of potential real-world relevance for the displacement of petroleum from industrial practice. This may take the form of the advancement of biobased polymers, biofuels for the transportation and power sectors, or renewable commodity chemicals such as detergents, dyes, coatings and resins, agrochemicals, and industrial solvents.

(2) Engagement with industry to develop real-world solutions for valorizing petrochemical waste. Since the recycling of plastic waste is limited in commercial scope, there is a burgeoning movement towards chemocatalytic upcycling as an alternative. Creative and competitive approaches in this field will also be welcomed.

Prof. Dr. Mark Mascal
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. Chemistry is an international peer-reviewed open access semimonthly 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 1800 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

  • biomass
  • biorefinery
  • energy
  • green chemistry
  • plastics
  • sustainable chemistry
  • upcycling

Published Papers (4 papers)

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Research

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11 pages, 1767 KiB  
Article
Expanding Heteroaromatic and 2-Aminosugar Chemical Space Accessible from the Biopolymer Chitin
by Thaís A. Rossa, Jessica C. Neville, Seongmin Paul Jun, Tilo Söhnel and Jonathan Sperry
Chemistry 2023, 5(3), 1998-2008; https://doi.org/10.3390/chemistry5030135 - 9 Sep 2023
Viewed by 1139
Abstract
Herein, we report the expansion of chemical space available from chitin, accessible via the biogenic N-platforms 3A5AF, M4A2C, and di-HAF. The biologically active heteroaromatics furo[3,2-d]pyrimidin-4-one and furo[3,2-d]pyrimidin-4-amine can be selectively accessed from 3A5AF and M4A2C, respectively. The chiral [...] Read more.
Herein, we report the expansion of chemical space available from chitin, accessible via the biogenic N-platforms 3A5AF, M4A2C, and di-HAF. The biologically active heteroaromatics furo[3,2-d]pyrimidin-4-one and furo[3,2-d]pyrimidin-4-amine can be selectively accessed from 3A5AF and M4A2C, respectively. The chiral pool synthon di-HAF is a viable substrate for Achmatowicz rearrangement, providing streamlined access to 2-aminosugars possessing a versatile hydroxymethyl group at C5. Full article
(This article belongs to the Special Issue Green Chemistry—a Themed Issue in Honor of Professor James Clark)
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15 pages, 2813 KiB  
Article
Optimization of Enzymatic Synthesis of D-Glucose-Based Surfactants Using Supported Aspergillus niger Lipase as Biocatalyst
by Alexis Spalletta, Nicolas Joly and Patrick Martin
Chemistry 2023, 5(3), 1855-1869; https://doi.org/10.3390/chemistry5030127 - 23 Aug 2023
Cited by 1 | Viewed by 1365
Abstract
Surfactants are amphiphilic molecules with the ability to modify the surface tension between two surfaces. They can be obtained by various methods, the main one being synthetic, from petroleum-based substrates. Their universal use in a wide range of fields has created a global [...] Read more.
Surfactants are amphiphilic molecules with the ability to modify the surface tension between two surfaces. They can be obtained by various methods, the main one being synthetic, from petroleum-based substrates. Their universal use in a wide range of fields has created a global market and, consequently, ecological, and economic expectations for their production. Biocatalyzed processes, involving enzymes, can address this objective with processes complying with the principles of green chemistry: energy saving, product selectivity, monodispersity, and reduction in the use of solvents, with energy eco-efficiency. For example, fatty-acid carbohydrate esters are biobased surfactants that can be synthesized by lipases. In this work, we were interested in the synthesis of D-glucose lauric ester, which presents interesting properties described in the literature, with Aspergillus niger lipase, rarely described with sugar substrates. We optimized the synthesis for different parameters and reaction media. This lipase appeared to be highly selective for 6-O-lauroyl-D-glucopyranose. However, the addition of DMSO (dimethyl sulfoxide) as a co-solvent displays a duality, increasing yields but leading to a loss of selectivity. In addition, DMSO generates more complex and energy-intensive purification and processing steps. Consequently, a bio-sourced alternative as co-solvent with 2MeTHF3one (2-methyltetrahydrofuran-3-one) is proposed to replace DMSO widely described in the literature. Full article
(This article belongs to the Special Issue Green Chemistry—a Themed Issue in Honor of Professor James Clark)
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10 pages, 1844 KiB  
Communication
Mechanochemistry through Extrusion: Opportunities for Nanomaterials Design and Catalysis in the Continuous Mode
by Oscar Trentin, Daniele Polidoro, Alvise Perosa, Enrique Rodríguez-Castellon, Daily Rodríguez-Padrón and Maurizio Selva
Chemistry 2023, 5(3), 1760-1769; https://doi.org/10.3390/chemistry5030120 - 8 Aug 2023
Cited by 2 | Viewed by 1586
Abstract
The potentialities of mechanochemistry trough extrusion have been investigated for the design of nanosized catalysts and their use in C-C bond-forming reactions. The mechanochemical approach proved successful for the synthesis of supported palladium nanoparticles with mean diameter within 6–10 nm, achieved by the [...] Read more.
The potentialities of mechanochemistry trough extrusion have been investigated for the design of nanosized catalysts and their use in C-C bond-forming reactions. The mechanochemical approach proved successful for the synthesis of supported palladium nanoparticles with mean diameter within 6–10 nm, achieved by the reduction of Pd(II) acetate with ethylene glycol, in the absence of any solvent. A mesoporous N-doped carbon derived from chitin as a renewable biopolymer, was used as a support. Thereafter, the resulting nanomaterials were tested as catalysts to implement a second extrusion based-protocol for the Suzuki-Miyaura cross-coupling reaction of iodobenzene and phenylboronic acid. The conversion and the selectivity of the reaction were 81% and >99%, respectively, with a productivity of the desired derivative, biphenyl, of 41 mmol gcat−1 h−1. Full article
(This article belongs to the Special Issue Green Chemistry—a Themed Issue in Honor of Professor James Clark)
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Review

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25 pages, 4772 KiB  
Review
Preparation and Application of Green Sustainable Solvent Cyrene
by Yadong Wang, Mingfei Dai, Gang Luo, Jiajun Fan, James H. Clark and Shicheng Zhang
Chemistry 2023, 5(4), 2322-2346; https://doi.org/10.3390/chemistry5040154 - 21 Oct 2023
Cited by 1 | Viewed by 3385
Abstract
The bio-based solvent dihydrolevoglucosenone (Cyrene) is a green and sustainable alternative to petroleum-based dipolar aprotic solvents. Cyrene can be prepared from cellulose in a simple two-step process and can be produced in a variety of yields. Cyrene is compatible with a large number [...] Read more.
The bio-based solvent dihydrolevoglucosenone (Cyrene) is a green and sustainable alternative to petroleum-based dipolar aprotic solvents. Cyrene can be prepared from cellulose in a simple two-step process and can be produced in a variety of yields. Cyrene is compatible with a large number of reactions in the chemical industry and can be applied in organic chemistry, biocatalysis, materials chemistry, graphene and lignin processing, etc. It is also green, non-mutagenic and non-toxic, which makes it very promising for applications. In this paper, we have also screened all articles related to Cyrene on the Web of Science and visualised them through Cite Space. Full article
(This article belongs to the Special Issue Green Chemistry—a Themed Issue in Honor of Professor James Clark)
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