Journal ArticleDOI
The Catalytic Amination of Alcohols
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In this article, the synthesis of amines by the amination of alcohols, by means of the so-called borrowing hydrogen methodology, is presented Compared to other synthetic methodologies for the synthesis, these transformations are highly attractive because often alcohols are readily available starting materials, some of them on a large scale from renewable sources.Abstract:
In this Minireview, the synthesis of amines by the amination of alcohols, by means of the so-called borrowing hydrogen methodology, is presented Compared to other synthetic methodologies for the synthesis of amines, these transformations are highly attractive because often alcohols are readily available starting materials, some of them on a large scale from renewable sources In addition, the amination of alcohols produces water as the only by-product, which makes the process potentially environmentally benign Already today, lower alkyl amines are produced in bulk by the chemical industry with this synthetic method In particular, the recent progress applying organometallic catalysts based on iridium, ruthenium, and other metals will be discussed Notable recent achievements include the conversion of challenging substrates such as diols, the development of recyclable catalysts, milder reaction temperatures, and the direct alkylation of ammonia or its equivalents with alcoholsread more
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Applications of acceptorless dehydrogenation and related transformations in chemical synthesis.
TL;DR: Acceptorless dehydrogenation and related dehydrogenative coupling reactions have the potential for redirecting synthetic strategies to the use of sustainable resources, devoid of toxic reagents and deleterious side reactions, with no waste generation.
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Bond Activation and Catalysis by Ruthenium Pincer Complexes
TL;DR: The heterolytic activation of dihydrogen by NH/H2 MLC was reported by Fryzuk and co-workers in 1987 with pincer Ir and Rh complexes, and complex 73 was found to be an active dehydrogenation catalyst for ammoniaborane and hydrogenation reactions as discussed below.
Journal ArticleDOI
Catalysis by Supported Gold Nanoparticles: Beyond Aerobic Oxidative Processes
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Advances in One-Pot Synthesis through Borrowing Hydrogen Catalysis
TL;DR: The objective of the present review is to give a global overview on the topic starting from those contributions published prior to the emergence of the BH concept to the most recent and current research under the term of BH catalysis.
Journal ArticleDOI
Substitution of alcohols by N-nucleophiles via transition metal-catalyzed dehydrogenation
Qin Yang,Qingfu Wang,Zhengkun Yu +2 more
TL;DR: This critical review summarizes the recent advances in "BH" substitution of alcohols by N-nucleophiles since 2009 and provides new principles for establishing green processes to replace the relevant traditional synthetic methods for C-N bond formation.
References
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Journal ArticleDOI
Atom Economy—A Challenge for Organic Synthesis: Homogeneous Catalysis Leads the Way
TL;DR: The ability of transition metal complexes to preorganize π-electron systems serves as the basis both of simple additions usually accompanied by subsequent hydrogen shifts and of cycloadditions as mentioned in this paper.
Journal ArticleDOI
Hydroamination: direct addition of amines to alkenes and alkynes.
TL;DR: Hydroamination of Alkenes and Alkynes under Microwave Irradiation and Nitromercuration Reactions 3878 9.8.4.5.
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Large-scale applications of transition metal-catalyzed couplings for the synthesis of pharmaceuticals.
Javier Magano,Joshua R. Dunetz +1 more