Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Aske S. Donslund"'
Autor:
Karoline T. Neumann, Anne K. Ravn, Martin B. Johansen, Aske S. Donslund, Magnus H. Rønne, Haraldur G. Gudmundsson, Troels Skrydstrup
Publikováno v:
The Chemical Transformations of C1 Compounds. :1027-1072
Autor:
Troels Skrydstrup, Karoline T. Neumann, Nicklas P. Corneliussen, Ebbe K. Grove, Anne-Sofie O. Schøler, Anton H. Andersen, Aske S. Donslund
Publikováno v:
Corneliussen, N P, Grove, E K, Scholer, A S O, Andersen, A, Donslund, A S, Neumann, K T & Skrydstrup, T 2023, ' Nickel-Catalyzed Carbonylative Coupling of Alkylzinc Reagents and α-Bromo-α,α-difluoroacetamides ', Synlett . https://doi.org/10.1055/a-2036-4809
We report a nickel-catalyzed carbonylative cross-coupling of alkyl zinc reagents with α,α-difluorobromoacetamides to obtain α,α,-difluoro-β-ketoamides in moderate to good yields. The reaction is catalyzed by a bench-stable nickel(II) pincer comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cb61342dca46130cc058b68f8d278a02
https://pure.au.dk/portal/da/publications/nickelcatalyzed-carbonylative-coupling-of-alkylzinc-reagents-and-bromodifluoroacetamides(7df8f633-ccd0-482f-af8d-2e054e99757c).html
https://pure.au.dk/portal/da/publications/nickelcatalyzed-carbonylative-coupling-of-alkylzinc-reagents-and-bromodifluoroacetamides(7df8f633-ccd0-482f-af8d-2e054e99757c).html
Autor:
Karoline T. Neumann, Troels Skrydstrup, Nicklas P. Corneliussen, Aske S. Donslund, Kim Daasbjerg, Domenique Herbstritt, Ebbe K. Grove
Publikováno v:
Donslund, A S, Neumann, K T, Corneliussen, N P, Grove, E K, Herbstritt, D, Daasbjerg, K & Skrydstrup, T 2019, ' Access to β-Ketonitriles through Nickel-Catalyzed Carbonylative Coupling of α-Bromonitriles with Alkylzinc Reagents ', Chemistry-A European Journal, vol. 25, no. 42, pp. 9856-9860 . https://doi.org/10.1002/chem.201902206
Herein, we report a nickel-catalyzed carbonylative coupling of α-bromonitriles and alkylzinc reagents with near stoichiometric carbon monoxide to give β-ketonitriles in good yields. The reaction is catalyzed by a readily available and stable nickel
Autor:
Troels Skrydstrup, Kim B. Jensen, Magnus Gustafsson, Aske S. Donslund, Florian Papp, Simon S. Pedersen, Jesper H. Mikkelsen, Oskar S. Bakholm
Publikováno v:
Pedersen, S S, Donslund, A S, Mikkelsen, J H, Bakholm, O S, Papp, F, Jensen, K B, Gustafsson, M B F & Skrydstrup, T 2021, ' A Nickel(II)-Mediated Thiocarbonylation Strategy for Carbon Isotope Labeling of Aliphatic Carboxamides ', Chemistry-A European Journal, vol. 27, no. 24, pp. 7114-7123 . https://doi.org/10.1002/chem.202005261
Chemstry-a european journal
Chemstry-a european journal
A series of pharmaceutically relevant small molecules and biopharmaceuticals bearing aliphatic carboxamides have been successfully labeled with carbon-13. Key to the success of this novel carbon isotope labeling technique is the observation that 13C-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::10a896600ec895595fc1841ec7c31246
https://pure.au.dk/portal/da/publications/a-nickeliimediated-thiocarbonylation-strategy-for-carbon-isotope-labeling-of-aliphatic-carboxamides(aee04236-769f-40ca-a0ff-27ee98949f92).html
https://pure.au.dk/portal/da/publications/a-nickeliimediated-thiocarbonylation-strategy-for-carbon-isotope-labeling-of-aliphatic-carboxamides(aee04236-769f-40ca-a0ff-27ee98949f92).html
Autor:
Karoline T. Neumann, Thomas Levin Andersen, Troels Skrydstrup, Aske S. Donslund, Dennis U. Nielsen
Publikováno v:
Neumann, K T, Donslund, A S, Andersen, T, Nielsen, D U & Skrydstrup, T 2018, ' Synthesis of Aliphatic Carboxamides Mediated by Nickel NN 2-Pincer Complexes and Adaption to Carbon Isotope-Labeling ', Chemistry-A European Journal, vol. 24, no. 56, pp. 14946-14949 . https://doi.org/10.1002/chem.201804077
The development of a nickel-mediated aminocarbonylation utilizing NN2 -pincer Ni-complexes, alkylzinc reagents, stoichiometric carbon monoxide and amines is described for the first time, which can be adapted to late-stage carbon-isotope labeling. Thi
Autor:
Cecilie Gaardbo, Charles S. Elmore, Simon S. Pedersen, Aske S. Donslund, Lee P. Kingston, Karoline T. Neumann, Troels Skrydstrup
Publikováno v:
Donslund, A S, Pedersen, S S, Gaardbo, C, Neumann, K T, Kingston, L, Elmore, C S & Skrydstrup, T 2020, ' Direct Access to Isotopically Labeled Aliphatic Ketones Mediated by Nickel(I) Activation ', Angewandte Chemie-International Edition, vol. 59, no. 21, pp. 8099-8103 . https://doi.org/10.1002/anie.201916391
An extensive range of functionalized aliphatic ketones with good functional-group tolerance has been prepared by a NiI-promoted coupling of either primary or secondary alkyl iodides with NN2 pincer NiII-acyl complexes. The latter were easily accessed
Autor:
Jesper H. Mikkelsen, Kim B. Jensen, Troels Skrydstrup, Oskar S. Bakholm, Florian Papp, Aske S. Donslund, Simon S. Pedersen, Magnus Gustafsson
Publikováno v:
Chemistry – A European Journal. 27:6998-6998
Autor:
Karoline T, Neumann, Aske S, Donslund, Thomas L, Andersen, Dennis U, Nielsen, Troels, Skrydstrup
Publikováno v:
Chemistry (Weinheim an der Bergstrasse, Germany). 24(56)
The development of a nickel-mediated aminocarbonylation utilizing NN
Publikováno v:
Andersen, T L, Donslund, A S, Neumann, K T & Skrydstrup, T 2018, ' Carbonylative Coupling of Alkyl Zinc Reagents with Benzyl Bromides Catalyzed by a Nickel/NN 2 Pincer Ligand Complex ', Angewandte Chemie International Edition, vol. 57, no. 3, pp. 800-804 . https://doi.org/10.1002/anie.201710089
The reaction between a preassembled Cu-I bimetallic molecular clip with a short intermetallic distance and a series of fully aliphatic cyano-capped ditopic linkers with increasing lengths was investigated. It is shown that, depending on the length of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bace37475e46c22982f98e9938aa7826
https://pure.au.dk/portal/da/publications/carbonylative-coupling-of-alkyl-zinc-reagents-with-benzyl-bromides-catalyzed-by-a-nickelnn2-pincer-ligand-complex(2c137b8a-4a17-45b6-8e7f-cf9c920006b3).html
https://pure.au.dk/portal/da/publications/carbonylative-coupling-of-alkyl-zinc-reagents-with-benzyl-bromides-catalyzed-by-a-nickelnn2-pincer-ligand-complex(2c137b8a-4a17-45b6-8e7f-cf9c920006b3).html
Publikováno v:
Angewandte Chemie (International ed. in English). 57(3)
An efficient catalytic protocol for the three-component assembly of benzyl bromides, carbon monoxide, and alkyl zinc reagents to give benzyl alkyl ketones is described, and represents the first nickel-catalyzed carbonylative coupling of two sp