Phosphine Ligand‐Free Ruthenium Complexes as Efficient Catalysts for the Synthesis of Quinolines and Pyridines by Acceptorless Dehydrogenative Coupling Reactions
Sign Up to like & getrecommendations! Published in 2019 at "ChemCatChem"
DOI: 10.1002/cctc.201900435
Abstract: A series of phosphine‐free Ru(III)/Ru(II) complexes of NH functionalized N˄N˄N pincer ligands exhibit excellent activity for acceptorless dehydrogenative coupling (ADC) of secondary alcohols with 2‐aminobenzyl or γ‐amino alcohols to quinolines and pyridines. Ru(III) complexes [LRuCl3]… read more here.
Keywords: acceptorless dehydrogenative; iii complexes; pyridin; quinolines pyridines ... See more keywords
A Heterogeneous Single Atom Cobalt Catalyst for Highly Efficient Acceptorless Dehydrogenative Coupling Reactions.
Sign Up to like & getrecommendations! Published in 2023 at "Small"
DOI: 10.1002/smll.202207941
Abstract: A fundamental understanding of metal active sites in single-atom catalysts (SACs) is important and challenging in the development of high-performance catalyst systems. Here, a highly efficient and straightforward molten-salt-assisted approach is reported to create atomically… read more here.
Keywords: cobalt; catalyst; single atom; highly efficient ... See more keywords
Ruthenium-catalyzed acceptorless dehydrogenative coupling of o-aminobenzyl alcohols with ketones to quinolines in the presence of carbonate salt
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Catalysis"
DOI: 10.1016/j.jcat.2020.12.016
Abstract: Abstract A ruthenium complex bearing a functional 2,2′-bibenzimidazole ligand [(p-cymene)Ru(BiBzImH2)Cl][Cl] was designed, synthesized and found to be a general and highly efficient catalyst for the synthesis of quinolines via acceptorless dehydrogenative coupling of o-aminobenzyl alcohols… read more here.
Keywords: coupling aminobenzyl; alcohols ketones; acceptorless dehydrogenative; aminobenzyl alcohols ... See more keywords
Ruthenium-Catalyzed Divergent Acceptorless Dehydrogenative Coupling of 1,3-Diols with Arylhydrazines: Synthesis of Pyrazoles and 2-Pyrazolines.
Sign Up to like & getrecommendations! Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.2c01497
Abstract: Herein, the divergent transformations of 1,3-diols with arylhydrazines via acceptorless dehydrogenative coupling reactions to selectively synthesize pyrazoles and 2-pyrazolines were reported, which were based on Ru3(CO)12/NHC-phosphine-phosphine catalytic systems. The reactions featured low catalyst loading, high… read more here.
Keywords: ruthenium catalyzed; pyrazoles pyrazolines; diols arylhydrazines; acceptorless dehydrogenative ... See more keywords
Arene Binuclear Ru(II)-Promoted Sustainable Synthesis of Substituted Pyrazoles from Alcohols via Acceptorless Dehydrogenative Annulation.
Sign Up to like & getrecommendations! Published in 2023 at "Organic letters"
DOI: 10.1021/acs.orglett.3c01452
Abstract: We report a selective and sustainable synthesis of substituted pyrazoles via an eco-friendly acceptorless dehydrogenative annulation (ADA) of greener alcohols, malononitrile, and various aromatic hydrazides by newly synthesized binuclear Ru(II) p-cymene complexes. A discrete set… read more here.
Keywords: dehydrogenative annulation; synthesis substituted; sustainable synthesis; substituted pyrazoles ... See more keywords
Manganese Pincer Complexes for the Base-Free, Acceptorless Dehydrogenative Coupling of Alcohols to Esters: Development, Scope, and Understanding
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DOI: 10.1021/acscatal.6b03554
Abstract: Aliphatic PNP pincer-supported earth-abundant manganese(I) dicarbonyl complexes behave as effective catalysts for the acceptorless dehydrogenative coupling of a wide range of alcohols to esters under base-free conditions. The reaction proceeds under neat conditions, with modest… read more here.
Keywords: alcohols esters; base free; acceptorless dehydrogenative; dehydrogenative coupling ... See more keywords
Cobalt-catalyzed acceptorless dehydrogenative coupling of aminoalcohols with alcohols: direct access to pyrrole, pyridine and pyrazine derivatives.
Sign Up to like & getrecommendations! Published in 2017 at "Chemical communications"
DOI: 10.1039/c7cc07427a
Abstract: Here, the first example is reported of a new, molecularly defined SNS-cobalt(ii) catalyst for the acceptorless dehydrogenative coupling (ADC) of unprotected amino alcohols with secondary alcohols leading to pyrrole and pyridine derivatives. read more here.
Keywords: catalyzed acceptorless; cobalt catalyzed; pyrrole pyridine; acceptorless dehydrogenative ... See more keywords
A general and efficient Mn-catalyzed acceptorless dehydrogenative coupling of alcohols with hydroxides into carboxylates
Sign Up to like & getrecommendations! Published in 2018 at "Organic chemistry frontiers"
DOI: 10.1039/c8qo00023a
Abstract: The direct oxidation of alcohols into carboxylic acids is an essential reaction for the synthesis of bulky and fine chemicals. Most current processes require the use of either strong and toxic oxidants or the presence… read more here.
Keywords: catalyzed acceptorless; general efficient; acceptorless dehydrogenative; dehydrogenative coupling ... See more keywords
Ruthenium-catalyzed synthesis of N-substituted lactams by acceptorless dehydrogenative coupling of diols with primary amines.
Sign Up to like & getrecommendations! Published in 2019 at "Chemical communications"
DOI: 10.1039/c9cc06339k
Abstract: Herein, we report the first example of synthesis of N-substituted lactams via an acceptorless dehydrogenative coupling of diols with primary amines in one step, which was enabled by combining Ru3(CO)12 with a hybrid N-heterocyclic carbene-phosphine-phosphine… read more here.
Keywords: substituted lactams; synthesis substituted; diols primary; coupling diols ... See more keywords
Facile synthesis of amides via acceptorless dehydrogenative coupling of aryl epoxides and amines
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DOI: 10.1039/d2sc01959k
Abstract: The synthesis of amides is significant in a wide variety of academic and industrial fields. We report here a new reaction, namely acceptorless dehydrogenative coupling of epoxides and amines to form amides catalyzed by ruthenium… read more here.
Keywords: aryl epoxides; synthesis amides; epoxides amines; dehydrogenative coupling ... See more keywords
Base-free, acceptorless dehydrogenative coupling of ethanol to ethyl acetate with PNP complexes.
Sign Up to like & getrecommendations! Published in 2023 at "Dalton transactions"
DOI: 10.1039/d3dt00862b
Abstract: A base-free, acceptorless dehydrogenative coupling of ethanol to ethyl acetate is presented. By using the pincer complex (PhPNP)RuH(BH4)(CO) (0.25 mol%) in the presence of m-xylene as the co-solvent, the catalysis proceeds with up to >99%… read more here.
Keywords: ethanol ethyl; free acceptorless; base free; acceptorless dehydrogenative ... See more keywords