132 results on '"Wuerthwein, Ernst‐Ulrich"'
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2. Improvement of σ1 receptor affinity by late-stage C–H-bond arylation of spirocyclic lactones
3. Generation of highly strained 2,3-bridged 2H-azirines via cycloaddition reactions of 2-azidobuta-1,3-dienes and photolysis of the resulting cyclic vinyl azides
4. Synthesis and SAR studies of chiral non-racemic dexoxadrol analogues as uncompetitive NMDA receptor antagonists
5. ChemInform Abstract: 1,3,5‐Triazapentadienes by Nucleophilic Addition to 1,3‐ and 1,4‐Dinitriles — Sterically Constrained Examples by Incorporation into Cyclic Peripheries: Synthesis, Aggregation, and Photophysical Properties.
6. ChemInform Abstract: Oxidative C-H Bond Functionalization and Ring Expansion with TMSCHN2: A Copper(I)-Catalyzed Approach to Dibenzoxepines and Dibenzoazepines.
7. ChemInform Abstract: Modification and Unexpected Reactivity of 2‐Borylbenzaldimines: Acylated and Silylated Derivatives as Well as Dimeric Compounds.
8. ChemInform Abstract: Isocyanide Cyclization Reactions: 4-Methylene-4H-benzo[d][1,3]oxazine, 3-Benzyl-4-methylene-3,4-dihydroquinazolines and 3-(4-Benzyl)-3H-quinazolin-4-ones - Experiment and Theory.
9. ChemInform Abstract: N‐Acyl‐ and N‐Sulfonylformamidines from Cyanamides and Carbodiimides by Hydroalumination and Subsequent Treatment with Electrophiles.
10. ChemInform Abstract: Preparation of NH‐Pyrroles under Superelectrophilic Conditions by an Aza‐Nazarov Reaction Cascade with Indole as Neutral Leaving Group: Experiment and Theory.
11. ChemInform Abstract: A Novel Pathway to Imidazo[1,2‐a]pyridines. Access Through Imino Pyridinium Salts.
12. ChemInform Abstract: Synthesis of Pyrroles Through a 4π-Electrocyclic Ring-Closure Reaction of 1-Azapentadienyl Cations.
13. ChemInform Abstract: Ring Closure Reactions of 2,6-Diazaheptatrienyl Metal Compounds: Synthesis of 3-Aminoindole Derivatives and 14-Membered Macrocyclic Dimers.
14. ChemInform Abstract: 3‐(Hetero)aryl‐4‐indolylamino‐α‐tetralones by Diastereoselective Internal Redox Cyclization: An “Azaenamine” Conjugate Addition.
15. ChemInform Abstract: Ring-Closure Reactions of 1,2-Diaza-4,5-benzoheptatrienyl Metal Compounds: Experiment and Theory.
16. ChemInform Abstract: Unsaturated Hetero Chains. Part 19. Synthesis, Structures, and Aggregation Properties of N-Acylamidines.
17. ChemInform Abstract: Indole as Neutral Leaving Group in Silver Nitrate Induced Cyclization Reactions of N‐{2‐[Alkynyl(hetero)aryl]methylene}indolin‐1‐amines for the Synthesis of Annulated Pyridine Derivatives.
18. ChemInform Abstract: Asymmetric Addition of Aldehydes and Ketones to Chiral 2-Azapentadienyl Lithium Compounds: Diastereoselective Synthesis of 4-Vinyl-4,5-dihydrooxazoles
19. ChemInform Abstract: Unsaturated Hetero Chains. Part 10. Polydonor-Substituted 1-Oxa- and 1-Thia-3,5-diazahexatrienes: Synthesis, Structures, Ring-Chain Tautomerism and Theoretical Calculations.
20. ChemInform Abstract: A New Route to Ring‐Fused Pyrazines: Imidazo[4,5‐b]quinoxalines by a Simple Oxidation—Annulation Sequence.
21. ChemInform Abstract: Diastereo- and Enantioselective Synthesis of Functionalized β-Lactams from Oxiranecarbaldimines and Lithium Ester Enolates.
22. ChemInform Abstract: Acid‐Mediated Electrocyclic Domino Transformations of 5,5‐Disubstituted 1‐Amino‐1‐azapenta‐1,4‐dien‐3‐ones into Dihydrospiroindenepyrazole and Dihydroindenodiazepine Derivatives.
23. ChemInform Abstract: Unsaturated Hetero Chains. Part 18. 3,4-Dihydro-3H-pyrrol-2-imines as Conformationally Restrained 1,3-Diazabutadienes: Synthesis, Structural Properties and Protonation.
24. ChemInform Abstract: 1,7‐Electrocyclization Reactions of 2‐Aza‐4,5‐benzoheptatrienyl‐ and 4‐Aza‐6,7‐benzononatetraenyllithium Compounds: Synthesis of Novel 2‐Benzazepines and (Benzocyclooctenyl)amines.
25. ChemInform Abstract: Cyclization Reactions of 1-Amino-5-trifluoromethyl-5-thienyl-1-azapenta-1,4-dien-3-ones under Superelectrophilic Conditions: Synthesis of Novel Benzothiophenols, Cyclopentenols and Dihydrodiazepinols.
26. ChemInform Abstract: 2H-Pyrrole Derivatives from an Aza-Nazarov Reaction Cascade Involving Indole as the Neutral Leaving Group.
27. ChemInform Abstract: Electrocyclization Reactions of Annulated 1,2-Diazahepta-2,4-dien-6-ynyl Anions.
28. Aminobenzoannulated Hetero- and Carbocycles from 2-Azahepta-2,4-dien-6-ynyllithium Compounds: Scope and Limitation of a Novel Benzoannulation Reaction.
29. Novel Synthesis of Azepine Derivatives via Copper-Mediated Cyclization of 2-Aza-hepta-2,4-dien-6-ynyl Anions. Intramolecular Addition of Organocopper Centers to the C—C Triple Bond.
30. Substituted 3‐Hydroxypyrroles from 1‐Azapenta‐1,4‐dien‐3‐ones: The Aza‐Nazarov Reaction — Synthesis and Quantum Chemical Calculations.
31. Reactions of Unsaturated Azides. Part 20. Experimental and Theoretical Characterization of the Valence Isomerization of Bi-2H-azirin-2-yls to Diazabenzenes.
32. Diastereoselective One-Step Synthesis of Functionalized cis-Aziridinyl Alcohols from Oxiranyl Carbaldimines.
33. A Versatile Aminobenzannulation Method Based on the Deprotonation of 2-(1-Alkynyl)benzaldimines and Similar 2-Aza-2,4-heptadienyl-6-ynes: A Multistep Rearrangement Cascade.
34. 4,5-Dihydro-3H-benzo[c]azepines from 1,7-Electrocyclization Reactions of 2-Aza-4,5-benzoheptatrienyllithium Compounds.
35. 4H-Imidazoles and Imidazoles from Anionic and Dipolar Electrocyclization Reactions of 2,4-Diazapenta-1,3-dienes.
36. ChemInform Abstract: Chemical Consequences of Fluorine Substitution. Part 1. Experimental and Theoretical Results on Diels—Alder Reactions of α‐ and β‐Fluorostyrenes.
37. Cyclotetrameric Supersandwich Structure of a Structurally Confined C1-Bridged Dilithiobis(cyclopentadienide)-a Case of Supramolecular LiCp-Association
38. Preparation of Stable Primary Enamines: 1-Aminobutadienes by Allyl Grignard Addition to Aryl Cyanides Followed by Controlled Hydrolysis
39. Vinylogous Formylation of Aromatics with 3-Trifloxypropeneiminium Triflates
40. Reactions of unsaturated azides. 11. Direct observation of 2-methylene-2H-azirine
41. Experimental and theoretical investigations on the structure and reactivity of .alpha.-lithiomethoxyallene and its Grignard analog
42. Formation and structure of stable, isolable conjugated primary enamines
43. Lithiated carbocations. The generation, structure, and stability of CLi5+
44. Dioxetenes and diazetines: nonaromatic 6.pi.-systems in four-membered rings
45. Molecular orbital study of tetrahedral, planar, and pyramidal structures of the isoelectronic series BH4-, CH4, NH4+, AlH4-, SiH4, and PH4+
46. Effectively hypervalent molecules. 2. Lithium carbide (CLi5), lithium carbide (CLi6), and the related effectively hypervalent first row molecules, CLi5-nHn and CLi6-nHn
47. Lithium-stabilized methanonium ions, CLi5-nHn+. A theoretical study
48. ChemInform Abstract: SYNTHESEN MIT SUBSTITUIERTEN MALONDIALDEHYDEN 20. MITT. EINFACHE SYNTHESE DES TERT.‐BUTYLMALONDIALDEHYDS
49. Structures and stabilities of C2H4N+ isomers: an ab initio molecular orbital study
50. Lithiated ammonia, amide anions, and ammonium ions. An ab initio study of structures, bonding, and energetic relationships
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