Publikationen von Helga Krause

Zeitschriftenartikel (19)

2018
Zeitschriftenartikel
Casitas, A.; Krause, H.; Lutz, S.; Goddard, R.; Bill, E.; Fürstner, A.: Ligand Exchange on and Allylic C−H Activation by Iron(0) Fragments: π‑Complexes, Allyliron Species, and Metallacycles. Organometallics 37 (5), S. 729 - 739 (2018)
2016
Zeitschriftenartikel
Tindall, D. J.; Krause, H.; Fürstner, A.: Iron-Catalyzed Cross-Coupling of 1-Alkynylcyclopropyl Tosylates and Related Substrates. Advanced Synthesis & Catalysis 358 (15), S. 2398 - 2403 (2016)
2015
Zeitschriftenartikel
Casitas, A.; Krause, H.; Goddard, R.; Fürstner, A.: Elementary Steps of Iron Catalysis: Exploring the Links between Iron Alkyl and Iron Olefin Complexes for their Relevance in C—H Activation and C—C Bond Formation. Angewandte Chemie International Edition 54 (5), S. 1521 - 1526 (2015)
2014
Zeitschriftenartikel
Sun, C.-L.; Krause, H.; Fürstner, A.: A Practical Procedure for Iron-Catalyzed Cross-Coupling Reactions of Sterically Hindered Aryl-Grignard Reagents with Primary Alkyl Halides. Advanced Synthesis & Catalysis 356 (6), S. 1281 - 1291 (2014)
2008
Zeitschriftenartikel
Fürstner, A.; Martin, R.; Krause, H.; Seidel, G.; Goddard, R.; Lehmann, C. W.: Preparation, Structure, and Reactivity of Nonstabilized Organoiron Compounds. Implications for Iron-Catalyzed Cross Coupling Reactions. Journal of the American Chemical Society 130 (27), S. 8773 - 8787 (2008)
Zeitschriftenartikel
Fürstner, A.; Majima, K.; Martín, R.; Krause, H.; Kattnig, E.; Goddard, R.; Lehmann, C. W.: A Cheap Metal for a "Noble" Task: Preparative and Mechanistic Aspects of Cycloisomerization and Cycloaddition Reactions Catalyzed by Low-Valent Iron Complexes. Journal of the American Chemical Society 130 (6), S. 1992 - 2004 (2008)
Zeitschriftenartikel
Fürstner, A.; Alcarazo, M.; César, V.; Krause, H.: Preparation of a Non-Symmetrical Imidazolium Salts: 1-Adamantyl-3-mesityl-4,5-dimethylimidazolium Tetrafluoroborate. Organic Syntheses 85, S. 34 - 44 (2008)
2007
Zeitschriftenartikel
Fürstner, A.; Alcarazo, M.; Krause, H.; Lehmann, C. W.: Effective Modulation of the Donor Properties of N-Heterocyclic Carbene Ligands by "Through-Space" Communication within a Planar Chiral Scaffold. Journal of the American Chemical Society 129 (42), S. 12676 - 12677 (2007)
2006
Zeitschriftenartikel
Fürstner, A.; Krause, H.; Lehmann, C. W.: Unusual Structure and Reactivity of a Homoleptic "Super-Ate" Complex of Iron: Implications for Grignard Additions, Cross-Coupling Reactions, and the Kharasch Deconjugation. Angewandte Chemie International Edition 45 (3), S. 440 - 444 (2006)
2004
Zeitschriftenartikel
Mamane, V.; Gress, T.; Krause, H.; Fürstner, A.: Platinum- and Gold-Catalyzed Cycloisomerization Reactions of Hydroxylated Enynes. Journal of the American Chemical Society 126 (28), S. 8654 - 8655 (2004)
Zeitschriftenartikel
Scheiper, B.; Bonnekessel, M.; Krause, H.; Fürstner, A.: Selective Iron-Catalyzed Cross-Coupling Reactions of Grignard Reagents with Enol Triflates, Acid Chlorides, and Dichloroarenes. The Journal of Organic Chemistry 69 (11), S. 3943 - 3949 (2004)
2002
Zeitschriftenartikel
Fürstner, A.; Leitner, A.; Mendéz, M.; Krause, H.: Iron-catalyzed cross-coupling reactions. Journal of the American Chemical Society 124 (46), S. 13856 - 13863 (2002)
Zeitschriftenartikel
Fürstner, A.; Krause, H.; Thiel, O. R.: Efficient relay syntheses and assessment of the DNA-cleaving properties of the pyrrole alkaloid derivatives permethyl storniamide A, lycogalic acid A dimethyl ester, and the halitulin core. Tetrahedron 58 (32), S. 6373 - 6380 (2002)
Zeitschriftenartikel
Fürstner, A.; Stelzer, F.; Rumbo, A.; Krause, H.: Total synthesis of the turrianes and evaluation of their DNA- cleaving properties. Chemistry-A European Journal 8 (8), S. 1856 - 1871 (2002)
2001
Zeitschriftenartikel
Fürstner, A.; Krause, H.; Lehmann, C. W.: Preparation, structure and catalytic properties of a binuclear Pd(0) complex with bridging silylene ligands. Chemical Communications (22), S. 2372 - 2373 (2001)
Zeitschriftenartikel
Fürstner, A.; Krause, H.; Ackermann, L.; Lehmann, C. W.: N-Heterocyclic carbenes can coexist with alkenes and C–H acidic sites. Chemical Communications (21), S. 2240 - 2241 (2001)
Zeitschriftenartikel
Fürstner, A.; Krause, H.: Practical Method for the Rhodium-Catalyzed Addition of Aryl- and Alkenylboronic Acids to Aldehydes. Advanced Synthesis & Catalysis 343 (4), S. 343 - 350 (2001)
1999
Zeitschriftenartikel
Fürstner, A.; Krause, H.: Flexible Synthesis of Metacycloprodigiosin and Functional Derivatives Thereofn. The Journal of Organic Chemistry 64 (22), S. 8281 - 8286 (1999)
1996
Zeitschriftenartikel
Fürstner, A.; Ernst, A.; Krause, H.; Ptock, A.: Low-valent titanium induced indole formation: Syntheses of secofascaplysin, indolopyridocoline and an endothelin-receptor-antagonist. Tetrahedron 52 (21), S. 7329 - 7344 (1996)

Buchkapitel (1)

2009
Buchkapitel
Fürstner, A.; Alcarazo, M.; Krause, H.: TETRAKIS(DIMETHYLAMINO)ALLENE. In: Organic Synthesis, Vol.86, Bd. 86, S. 298 - 307 (Hg. Ragan, J. A.). John Wiley & Sons, Hoboken, NJ (2009)
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