Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Dagmar Hackenberger"'
Publikováno v:
The Journal of Organic Chemistry. 82:3917-3925
A decarboxylative cross-coupling of 3-substituted picolinic acids with (hetero)aryl halides is presented. In the presence of catalytic Cu2O and Pd(1,5-cyclooctadiene)Cl2 with 2-dicyclohexylphosphino-2′-(N,N-dimethylamino)biphenyl as the ligand, bot
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7f473d919bc3d8e72ccf555f8bfc29f3
https://doi.org/10.1021/acs.joc.7b00046
https://doi.org/10.1021/acs.joc.7b00046
Publikováno v:
Angewandte Chemie International Edition. 55:11296-11299
A decarboxylative Mizoroki-Heck coupling of aryl halides with cinnamic acids has been developed in which the carboxylate group directs the arylation into its β-position before being tracelessly removed through protodecarboxylation. In the presence o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::811b3866da8c5f909e582cc428f9724a
https://doi.org/10.1002/anie.201605744
https://doi.org/10.1002/anie.201605744
Publikováno v:
Angewandte Chemie. 128:11466-11470
In einer decarboxylierenden Mizoroki-Heck-Reaktion von Arylhalogeniden mit Zimtsauren dirigiert die Carboxylatgruppe die Arylierung in β-Position, bevor sie ruckstandslos uber eine Protodecarboxylierung entfernt wird. Unter Verwendung eines Kupfer/P
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf54fdba491db1f933fa3ffce224c5da
https://doi.org/10.1002/ange.201605744
https://doi.org/10.1002/ange.201605744
Autor:
Lukas J. Gooßen, Harald Kelm, Werner R. Thiel, Bingrui Song, Cedric Groß, Dagmar Hackenberger, Timm Wolff, Fabian S. Menges, Gereon Niedner-Schatteburg, Matthias F. Grünberg, Saeid Farsadpour
Publikováno v:
ChemCatChem. 7:3579-3588
A bimetallic catalyst system is presented that enables the decarboxylative cross-coupling of triflates with carboxylate salts at only 100 °C, which is 70 °C lower than with previous Cu/Pd-based systems. The new protocol allows the coupling of a bro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fbb9506693d42c85c23e6660f3ff3e3a
https://doi.org/10.1002/cctc.201500769
https://doi.org/10.1002/cctc.201500769
Publikováno v:
Angewandte Chemie. 127:12798-12802
Benzoesauren reagieren in Anwesenheit katalytischer Mengen [{IrCp*Cl2}2] und Ag2CO3 mit Aryldiazoniumsalzen unter milden Bedingungen, mit Li2CO3 als Base und Aceton als Losungsmittel, zu den entsprechenden Diaryl-2-carboxylaten. Diese C-H-Arylierung
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b39574ed886bc342312e4848e4183ee6
https://doi.org/10.1002/ange.201505769
https://doi.org/10.1002/ange.201505769
Publikováno v:
ChemInform. 47
A decarboxylative Mizoroki—Heck coupling of aryl halides with cinnamic acids is presented in which the carboxylate group directs the arylation into its β-position before being tracelessly removed through protodecarboxylation.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::72dfcfca337ddf76dd10d86f4f2444e4
https://doi.org/10.1002/chin.201652175
https://doi.org/10.1002/chin.201652175
Publikováno v:
Angewandte Chemie (International ed. in English). 55(47)
A system consisting of catalytic amounts of [(p-cym)RuCl2]2/PEt3⋅HBF4, K2CO3 as the base, and NMP as the solvent efficiently mediates the ortho-C−H arylation of benzoic acids with aryl bromides at 100 °C. Replacing the phosphine ligand with the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7260258899a6999cfc5ad1cb57444614
https://pubmed.ncbi.nlm.nih.gov/27766764
https://pubmed.ncbi.nlm.nih.gov/27766764
Publikováno v:
ChemInform. 47
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99e7ed0a310340d113f8c629ed556e0d
https://doi.org/10.1002/chin.201609107
https://doi.org/10.1002/chin.201609107
Publikováno v:
Angewandte Chemie (International ed. in English). 54(43)
In the presence of catalytic [{IrCp*Cl2 }2 ] and Ag2 CO3 , Li2 CO3 as the base, and acetone as the solvent, benzoic acids react with arenediazonium salts to give the corresponding diaryl-2-carboxylates under mild conditions. This C-H arylation proces
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f23ac6640d0d6392573ddb0a8a04e1ff
https://pubmed.ncbi.nlm.nih.gov/26465654
https://pubmed.ncbi.nlm.nih.gov/26465654
Publikováno v:
Journal of the American Chemical Society. 136(28)
The reaction mechanism of decarboxylative cross-couplings of benzoates with aryl halides to give biaryls, which is cooperatively catalyzed by copper/palladium systems, was investigated with DFT methods. The geometries and energies of all starting mat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c543e06e57dd831aa1bcc8159866ca57
https://pubmed.ncbi.nlm.nih.gov/24965266
https://pubmed.ncbi.nlm.nih.gov/24965266