Publications of Helga Krause

Journal Article (19)

2018
Journal Article
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 2018, 37, 729–739.
2016
Journal Article
Tindall, D. J.; Krause, H.; Fürstner, A. Iron-Catalyzed Cross-Coupling of 1-Alkynylcyclopropyl Tosylates and Related Substrates. Advanced Synthesis & Catalysis 2016, 358, 2398–2403.
2015
Journal Article
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 2015, 54, 1521–1526.
2014
Journal Article
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 2014, 356, 1281–1291.
2008
Journal Article
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 2008, 130, 8773–8787.
Journal Article
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 2008, 130, 1992–2004.
Journal Article
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 2008, 85, 34–44.
2007
Journal Article
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 2007, 129, 12676–12677.
2006
Journal Article
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 2006, 45, 440–444.
2004
Journal Article
Mamane, V.; Gress, T.; Krause, H.; Fürstner, A. Platinum- and Gold-Catalyzed Cycloisomerization Reactions of Hydroxylated Enynes. Journal of the American Chemical Society 2004, 126, 8654–8655.
Journal Article
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 2004, 69, 3943–3949.
2002
Journal Article
Fürstner, A.; Leitner, A.; Mendéz, M.; Krause, H. Iron-Catalyzed Cross-Coupling Reactions. Journal of the American Chemical Society 2002, 124, 13856–13863.
Journal Article
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 2002, 58, 6373–6380.
Journal Article
Fürstner, A.; Stelzer, F.; Rumbo, A.; Krause, H. Total Synthesis of the Turrianes and Evaluation of their DNA- Cleaving Properties. Chemistry-A European Journal 2002, 8, 1856–1871.
2001
Journal Article
Fürstner, A.; Krause, H.; Lehmann, C. W. Preparation, Structure and Catalytic Properties of a Binuclear Pd(0) Complex with Bridging Silylene Ligands. Chemical Communications 2001, No. 22, 2372–2373.
Journal Article
Fürstner, A.; Krause, H.; Ackermann, L.; Lehmann, C. W. N-Heterocyclic Carbenes Can Coexist with Alkenes and C–H Acidic Sites. Chemical Communications 2001, No. 21, 2240–2241.
Journal Article
Fürstner, A.; Krause, H. Practical Method for the Rhodium-Catalyzed Addition of Aryl- and Alkenylboronic Acids to Aldehydes. Advanced Synthesis & Catalysis 2001, 343, 343–350.
1999
Journal Article
Fürstner, A.; Krause, H. Flexible Synthesis of Metacycloprodigiosin and Functional Derivatives Thereofn. The Journal of Organic Chemistry 1999, 64, 8281–8286.
1996
Journal Article
Fürstner, A.; Ernst, A.; Krause, H.; Ptock, A. Low-Valent Titanium Induced Indole Formation: Syntheses of Secofascaplysin, Indolopyridocoline and an Endothelin-Receptor-Antagonist. Tetrahedron 1996, 52, 7329–7344.

Book Chapter (1)

2009
Book Chapter
Fürstner, A.; Alcarazo, M.; Krause, H. TETRAKIS(DIMETHYLAMINO)ALLENE; Ragan, J. A., Ed.; Ragan, J. A., Series ed.; Organic Synthesis, Vol.86; John Wiley & Sons: Hoboken, NJ, 2009; Vol. 86, pp 298–307.
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