Search Results - "Grasruck, Alexander"

Stereochemical Stability of Planar-Chiral Benzazepine Tricyclics: Inversion Energies of P- and S-Alkene Ligands by Calderón, Jacqueline C., Herrera, Alberto, Heinemann, Frank W., Langer, Jens, Linden, Anthony, Chelouan, Ahmed, Grasruck, Alexander, Añez, Rafael, Clark, Timothy, Dorta, Romano

“…Inversion barriers ΔG‡ for planar chiral phosphine-alkene and sulfonamide-alkene hybrid ligands based on phenyl-dibenz[b,f]azepine have been determined by…”
Get full text

Tricyclic Sulfoxide–Alkene Hybrid Ligands for Chiral Rh(I) Complexes: The “Matched” Diastereomer Catalyzes Asymmetric C–C Bond Formations by Nikol, Alexander, Zhang, Ziyun, Chelouan, Ahmed, Falivene, Laura, Cavallo, Luigi, Herrera, Alberto, Heinemann, Frank W, Escalona, Ana, Frieß, Sibylle, Grasruck, Alexander, Dorta, Romano

“…Deprotonation of phenyldibenzo­[b,f]­tropylidene (8) with LDA/t-BuOK followed by quenching with either diastereomer of inexpensive glucose-based t-Bu-sulfinate…”
Get full text

Ir(IV) Sulfoxide-Pincer Complexes by Three-Electron Oxidative Additions of Br 2 and I 2 . Unprecedented Trap-Free Reductive Elimination of I 2 from a formal d 5 Metal by Frieß, Sibylle, Benyak, Anna, Herrera, Alberto, Escalona, Ana M, Heinemann, Frank W, Langer, Jens, Fehn, Dominik, Pividori, Daniel, Grasruck, Alexander, Munz, Dominik, Meyer, Karsten, Dorta, Romano

“…Oxidative addition of 1.5 equiv of bromine or iodine to a Ir(I) sulfoxide pincer complex affords the corresponding Ir(IV) tris-bromido or tris-iodido…”
Get full text

Developing Chiral Dibenzazepine-Based S(O)-Alkene Hybrid Ligands for Rh(I) Complexation: Catalysts for the Base-Free Hayashi–Miyaura Reaction by Chelouan, Ahmed, Bao, Siyuan, Frieß, Sibylle, Herrera, Alberto, Heinemann, Frank W, Escalona, Ana, Grasruck, Alexander, Dorta, Romano

“…A stereodivergent synthesis using inexpensive reagents, i.e., dibenzazepine and glucose-derived t-Bu-sulfinate diastereomers (R S)-6 or (S S)-6, affords…”
Get full text

C 2‑Symmetric (SO)N(SO) Sulfoxide Pincer Complexes of Mg and Pd: Helicity Switch by Ambidentate S/O‑Coordination and Isolation of a Chiral Pd-Sulfenate by Seidel, Falk W, Frieß, Sibylle, Heinemann, Frank W, Chelouan, Ahmed, Scheurer, Andreas, Grasruck, Alexander, Herrera, Alberto, Dorta, Romano

“…Quinine-based (R)-tert-butylsulfinate 3 reacts with tris-lithiated bis-arylamide 2 to afford gram-quantities of optically pure (S*O)­N­(S*O) sulfoxide pincer…”
Get full text

Electrical energy input efficiency limitations in CO 2 ‐to‐CO electrolysis and attempts for improvement by Reichbauer, Thomas, Schmid, Bernhard, Vetter, Kim‐Marie, Reinisch, David, Martić, Nemanja, Reller, Christian, Grasruck, Alexander, Dorta, Romano, Schmid, Günter

“…Abstract Electrochemical CO 2 reduction is a potentially up‐coming technology to convert anthropogenic emitted CO 2 into chemical feedstock. Due to alkaline…”
Get full text

Ir(IV) Sulfoxide-Pincer Complexes by Three-Electron Oxidative Additions of Br2 and I2. Unprecedented Trap-Free Reductive Elimination of I2 from a formal d5 Metal by Frieß, Sibylle, Benyak, Anna, Herrera, Alberto, Escalona, Ana M, Heinemann, Frank W, Langer, Jens, Fehn, Dominik, Pividori, Daniel, Grasruck, Alexander, Munz, Dominik, Meyer, Karsten, Dorta, Romano

Get full text

Developing P‑Stereogenic, Planar–Chiral P‑Alkene Ligands: Monodentate, Bidentate, and Double Agostic Coordination Modes on Ru(II) by Herrera, Alberto, Grasruck, Alexander, Heinemann, Frank W, Scheurer, Andreas, Chelouan, Ahmed, Frieß, Sibylle, Seidel, Falk, Dorta, Romano

“…10-Phenyl-5H-dibenz­[b,f]­azepine (5) is synthesized by Suzuki cross coupling of the protected bromo alkene 4 with PhB­(OH)2. 5 reacts with PCl3 to afford the…”
Get full text