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Molecules
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20th Anniversary of Molecules—Recent Advances in Organic Chemistry
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20th Anniversary of Molecules—Recent Advances in Organic Chemistry

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Organic Chemistry".

Deadline for manuscript submissions: closed (15 December 2015) | Viewed by 43772

Special Issue Editor

Prof. Dr. Roman Dembinski

E-Mail Website
Associate Editor
Department of Chemistry, Oakland University, 146 Library Drive, Rochester, MI 48309-4479, USA
Interests: organic, organometallic, and medicinal chemistry; organic synthesis; nucleosides; heterocycles; alkynes; fluorine and fluorous; cycloisomerizations; cyclizations
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In 2015 we are celebrating the 20th anniversary of our journal Molecules. To date the journal has published more than 7,000 papers and the journal website attracts 60,000 monthly visits and more than 200,000 monthly page-views. Thanks to our readers, innumerable authors, anonymous peer reviewers, editors, and all the people working in some way for the journal who have joined their efforts for years. Without your help, we will never achieve this.

To mark that important milestone, a special issue entitled “Recent Advances in Organic Chemistry” is being launched. This special issue collects high quality review papers in organic chemistry research fields. We kindly encourage all research groups in this field to contribute an up-to-date, comprehensive review, highlighting the latest development in organic chemistry.

Prof. Dr. Roman Dembinski
Associate Editors

molecules 20

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. Molecules 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 2700 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.


Published Papers (4 papers)

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Review

2435 KiB  
Review
Molecular Theory of Detonation Initiation: Insight from First Principles Modeling of the Decomposition Mechanisms of Organic Nitro Energetic Materials
by Roman V. Tsyshevsky, Onise Sharia and Maija M. Kuklja
Molecules 2016, 21(2), 236; https://doi.org/10.3390/molecules21020236 - 19 Feb 2016
Cited by 64 | Viewed by 9698
Abstract
This review presents a concept, which assumes that thermal decomposition processes play a major role in defining the sensitivity of organic energetic materials to detonation initiation. As a science and engineering community we are still far away from having a comprehensive molecular detonation [...] Read more.
This review presents a concept, which assumes that thermal decomposition processes play a major role in defining the sensitivity of organic energetic materials to detonation initiation. As a science and engineering community we are still far away from having a comprehensive molecular detonation initiation theory in a widely agreed upon form. However, recent advances in experimental and theoretical methods allow for a constructive and rigorous approach to design and test the theory or at least some of its fundamental building blocks. In this review, we analyzed a set of select experimental and theoretical articles, which were augmented by our own first principles modeling and simulations, to reveal new trends in energetic materials and to refine known existing correlations between their structures, properties, and functions. Our consideration is intentionally limited to the processes of thermally stimulated chemical reactions at the earliest stage of decomposition of molecules and materials containing defects. Full article
(This article belongs to the Special Issue 20th Anniversary of Molecules—Recent Advances in Organic Chemistry)
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5290 KiB  
Review
Functionalised Oximes: Emergent Precursors for Carbon-, Nitrogen- and Oxygen-Centred Radicals
by John C. Walton
Molecules 2016, 21(1), 63; https://doi.org/10.3390/molecules21010063 - 07 Jan 2016
Cited by 74 | Viewed by 14506
Abstract
Oxime derivatives are easily made, are non-hazardous and have long shelf lives. They contain weak N–O bonds that undergo homolytic scission, on appropriate thermal or photochemical stimulus, to initially release a pair of N- and O-centred radicals. This article reviews the [...] Read more.
Oxime derivatives are easily made, are non-hazardous and have long shelf lives. They contain weak N–O bonds that undergo homolytic scission, on appropriate thermal or photochemical stimulus, to initially release a pair of N- and O-centred radicals. This article reviews the use of these precursors for studying the structures, reactions and kinetics of the released radicals. Two classes have been exploited for radical generation; one comprises carbonyl oximes, principally oxime esters and amides, and the second comprises oxime ethers. Both classes release an iminyl radical together with an equal amount of a second oxygen-centred radical. The O-centred radicals derived from carbonyl oximes decarboxylate giving access to a variety of carbon-centred and nitrogen-centred species. Methods developed for homolytically dissociating the oxime derivatives include UV irradiation, conventional thermal and microwave heating. Photoredox catalytic methods succeed well with specially functionalised oximes and this aspect is also reviewed. Attention is also drawn to the key contributions made by EPR spectroscopy, aided by DFT computations, in elucidating the structures and dynamics of the transient intermediates. Full article
(This article belongs to the Special Issue 20th Anniversary of Molecules—Recent Advances in Organic Chemistry)
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6098 KiB  
Review
Immobilization of Metal Hexacyanoferrate Ion-Exchangers for the Synthesis of Metal Ion Sorbents—A Mini-Review
by Thierry Vincent, Chloë Vincent and Eric Guibal
Molecules 2015, 20(11), 20582-20613; https://doi.org/10.3390/molecules201119718 - 19 Nov 2015
Cited by 104 | Viewed by 11515
Abstract
Metal hexacyanoferrates are very efficient sorbents for the recovery of alkali and base metal ions (including radionuclides such as Cs). Generally produced by the direct reaction of metal salts with potassium hexacyanoferrate (the precursors), they are characterized by ion-exchange and structural properties that [...] Read more.
Metal hexacyanoferrates are very efficient sorbents for the recovery of alkali and base metal ions (including radionuclides such as Cs). Generally produced by the direct reaction of metal salts with potassium hexacyanoferrate (the precursors), they are characterized by ion-exchange and structural properties that make then particularly selective for Cs(I), Rb(I) and Tl(I) recovery (based on their hydrated ionic radius consistent with the size of the ion-exchanger cage), though they can bind also base metals. The major drawback of these materials is associated to their nanometer or micrometer size that makes them difficult to recover in large-size continuous systems. For this reason many techniques have been designed for immobilizing these ion-exchangers in suitable matrices that can be organic (mainly polymers and biopolymers) or inorganic (mineral supports), carbon-based matrices. This immobilization may proceed by in situ synthesis or by entrapment/encapsulation. This mini-review reports some examples of hybrid materials synthesized for the immobilization of metal hexacyanoferrate, the different conditionings of these composite materials and, briefly, the parameters to take into account for their optimal design and facilitated use. Full article
(This article belongs to the Special Issue 20th Anniversary of Molecules—Recent Advances in Organic Chemistry)
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1086 KiB  
Review
Synthesis of C-Arylnucleoside Analogues
by Christophe Len and Gérald Enderlin
Molecules 2015, 20(3), 4967-4997; https://doi.org/10.3390/molecules20034967 - 18 Mar 2015
Cited by 5 | Viewed by 7543
Abstract
Modified nucleoside analogues are of great biological importance as antiviral and antitumoral agents. There is special interest in the preparation of C-aryl nucleosides with an aromatic ring in different positions of the glycone for their biological activity. Different chemical synthesis strategies for [...] Read more.
Modified nucleoside analogues are of great biological importance as antiviral and antitumoral agents. There is special interest in the preparation of C-aryl nucleosides with an aromatic ring in different positions of the glycone for their biological activity. Different chemical synthesis strategies for these targets are described in this review. Full article
(This article belongs to the Special Issue 20th Anniversary of Molecules—Recent Advances in Organic Chemistry)
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