50 results on '"Wuerthwein, Ernst‐Ulrich"'
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2. 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
3. Synthesis and SAR studies of chiral non-racemic dexoxadrol analogues as uncompetitive NMDA receptor antagonists
4. 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.
5. ChemInform Abstract: Oxidative C-H Bond Functionalization and Ring Expansion with TMSCHN2: A Copper(I)-Catalyzed Approach to Dibenzoxepines and Dibenzoazepines.
6. ChemInform Abstract: Modification and Unexpected Reactivity of 2-Borylbenzaldimines: Acylated and Silylated Derivatives as Well as Dimeric Compounds.
7. 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.
8. ChemInform Abstract: N-Acyl- and N-Sulfonylformamidines from Cyanamides and Carbodiimides by Hydroalumination and Subsequent Treatment with Electrophiles.
9. ChemInform Abstract: Preparation of NH-Pyrroles under Superelectrophilic Conditions by an Aza-Nazarov Reaction Cascade with Indole as Neutral Leaving Group: Experiment and Theory.
10. ChemInform Abstract: A Novel Pathway to Imidazo[1,2-a]pyridines. Access Through Imino Pyridinium Salts.
11. ChemInform Abstract: Synthesis of Pyrroles Through a 4π-Electrocyclic Ring-Closure Reaction of 1-Azapentadienyl Cations.
12. ChemInform Abstract: Ring Closure Reactions of 2,6-Diazaheptatrienyl Metal Compounds: Synthesis of 3-Aminoindole Derivatives and 14-Membered Macrocyclic Dimers.
13. ChemInform Abstract: 3-(Hetero)aryl-4-indolylamino-α-tetralones by Diastereoselective Internal Redox Cyclization: An 'Azaenamine' Conjugate Addition.
14. ChemInform Abstract: Ring-Closure Reactions of 1,2-Diaza-4,5-benzoheptatrienyl Metal Compounds: Experiment and Theory.
15. ChemInform Abstract: Unsaturated Hetero Chains. Part 19. Synthesis, Structures, and Aggregation Properties of N-Acylamidines.
16. 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.
17. ChemInform Abstract: A New Route to Ring-Fused Pyrazines: Imidazo[4,5-b]quinoxalines by a Simple Oxidation-Annulation Sequence.
18. ChemInform Abstract: Diastereo- and Enantioselective Synthesis of Functionalized β-Lactams from Oxiranecarbaldimines and Lithium Ester Enolates.
19. 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.
20. 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.
21. 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.
22. 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.
23. ChemInform Abstract: 2H-Pyrrole Derivatives from an Aza-Nazarov Reaction Cascade Involving Indole as the Neutral Leaving Group.
24. ChemInform Abstract: Electrocyclization Reactions of Annulated 1,2-Diazahepta-2,4-dien-6-ynyl Anions.
25. Aminobenzoannulated Hetero- and Carbocycles from 2-Azahepta-2,4-dien-6-ynyllithium Compounds: Scope and Limitation of a Novel Benzoannulation Reaction.
26. 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.
27. Substituted 3-Hydroxypyrroles from 1-Azapenta-1,4-dien-3-ones: The Aza-Nazarov Reaction - Synthesis and Quantum Chemical Calculations.
28. Reactions of Unsaturated Azides. Part 20. Experimental and Theoretical Characterization of the Valence Isomerization of Bi-2H-azirin-2-yls to Diazabenzenes.
29. Diastereoselective One-Step Synthesis of Functionalized cis-Aziridinyl Alcohols from Oxiranyl Carbaldimines.
30. 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.
31. 4,5-Dihydro-3H-benzo[c]azepines from 1,7-Electrocyclization Reactions of 2-Aza-4,5-benzoheptatrienyllithium Compounds.
32. 4H-Imidazoles and Imidazoles from Anionic and Dipolar Electrocyclization Reactions of 2,4-Diazapenta-1,3-dienes.
33. 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.
34. ChemInform Abstract: Chemical Consequences of Fluorine Substitution. Part 1. Experimental and Theoretical Results on Diels-Alder Reactions of α- and β-Fluorostyrenes.
35. ChemInform Abstract: Asymmetric Addition of Aldehydes and Ketones to Chiral 2-Azapentadienyl Lithium Compounds: Diastereoselective Synthesis of 4-Vinyl-4,5-dihydrooxazoles.
36. N,N-bis(trimethylsilyl)ynamines
37. Unsaturated hetero chains -VII. The synthesis of 1-thioacyl-oligonitriles
38. Model mndo calculations for rotamers of α-acylnitroxides and of N-nitrosonitroxides
39. Combined quantum chemical and MM-approach to the endo/exo selectivity of diels-alder reactions in polar media
40. 1,7-Electrocyclisation reactions of 2-azaheptatrienyl lithium compounds: Synthesis of 1-acyl-2,3-dihydroazepines
41. Metallated ketenimines: Deprotonation of N-isopropyl-diphenylketenimine and subsequent trapping reactions with electrophiles A theoretical and experimental study
42. Synthesis, structure and isomerization of fluorine-containing 1,2-dihydro-1,3-diphosphetes
43. Reactions of 1-aza-pentadienyl anions with michael acceptors: regiochemistry
44. Polyalkoxy-2-aza-propenylium salts
45. Reaktionen von 2-azabutadienen mit elektrophilen: N-Vinyl-Iminium-Salze
46. Reactions of 2-aza-pentadienyl anions with carbonyl compounds: regioselectivity
47. [2+2]- AND [4+2] cycloaddition reactions of 1,3-diazabutadienes with diphenylketene
48. 1,7-Electrocyclisations of 4-azaheptatrienyl lithium compounds to 4,5-dihydroazepines
49. The [4.4.4.4]Fenestranes and[2.2.2.2]paddlane. Prospects for the realization of planar tetracoordinate carbon?
50. Metallated ketenimines: Quinazoline derivatives from base induced dimerization of N-phenyldiethylketenimine. an experimental and theoretical study
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