333 results on '"SPECKAMP, W. N."'
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2. Asymmetric synthesis of optically active 6-thiaestrogens
3. Dihydroquinolones I: Reactions of substituted 4-oxo-1,2,3,4-tetrahydroquinoline
4. The Chemistry of Enones. Parts 1 and 2. Saul Patai and Zvi Rappoport, eds. John Wiley & Sons, Chichester, 1989. XVI + 1267 pp., £285.00 setprice. ISBN 0-471922900 (set)
5. Dihydroquinolones IV
6. ChemInform Abstract: Total Synthesis of (.+-.)-α-Allokainic Acid via Two Allylsilane N-Acyliminium Ion Reactions.
7. ChemInform Abstract: Preparation of Cyclic α-Hydrazino Acids Through N- Acylhydrazonium Intermediates.
8. ChemInform Abstract: Synthesis of Statine from (S)-Malic Acid Stereocontrol via Radical Cyclization.
9. ChemInform Abstract: Copper Catalyzed Chlorine Transfer Cyclizations of Glycine and Glycolic Acid Derivatives.
10. ChemInform Abstract: Synthesis or Bridged Bicyclic Hydrazines via Cyclic N-Acylhydrazonium Intermediates.
11. ChemInform Abstract: Intermolecular Reactions of N-Alkoxycarbonyliminium Ions with Propargyltrimethylsilane; Oxazinone versus Allene Formation.
12. ChemInform Abstract: Palladium-Catalyzed Reactions with N,N′-Diallyloxycarbonylhydrazines.
13. ChemInform Abstract: Synthesis of Medium-Sized Lactones by Copper(I) Catalyzed Atom Transfer Cyclization.
14. ChemInform Abstract: Palladium-Catalyzed Synthesis of Amides and Peptides.
15. ChemInform Abstract: Synthesis of γ,δ-Unsaturated α-Methyl-α-amino Acids via Coupling of Allylsilanes with an α-Methylglycine Cation Equivalent.
16. ChemInform Abstract: Synthesis of Racemic α-Amino Carboxamides via Lewis Acid- Mediated Reactions of α-Methoxyglycinamide Derivatives with Allylsilanes: Enzymatic Resolution to Optically Active α-Amino Acids.
17. ChemInform Abstract: Resolution of Methyl cis-3-Chloromethyl-2-tetrahydrofurancarboxylate via Enzymatic Hydrolysis.
18. ChemInform Abstract: Organosilicon Compounds as Nucleophiles in the Synthesis of Bioactive Natural Products via N-Acyliminium Intermediates
19. ChemInform Abstract: Synthesis of α-Substituted α-Amino Acids via Cationic Intermediates.
20. ChemInform Abstract: Stereoselective Synthesis of Enantiopure 4,5-Disubstituted Pyrrolidin- 2-ones by Consecutive Cuprate Addition and N-Acyliminium Coupling.
21. ChemInform Abstract: Synthesis of Cyclic α-Hydrazino Acid Derivatives via N- Acylhydrazonium Ions.
22. ChemInform Abstract: Synthesis of Bicyclic 3-Pyrazolidinones via π-Cyclization Reactions of Exocyclic N-Acylhydrazonium Ions.
23. ChemInform Abstract: Palladium(II)-Catalyzed Oxidation of Allylic Amines with Molecular Oxygen.
24. ChemInform Abstract: Transition Metal Catalyzed Chlorine Transfer Cyclizations of Carbon- Centered Glycine Radicals; A Novel Synthetic Route to Cyclic α- Amino Acids.
25. ChemInform Abstract: Conjugate Addition of Amines and Thiols to (R)-1-Acetyl-5-isopropoxy-3- pyrrolin-2-one; Preparation of Enantiopure N-Acyliminium Ion Precursors.
26. ChemInform Abstract: The Total Synthesis of (.+-.)-Gelsemine.
27. ChemInform Abstract: Synthesis of Bridged Bicyclic Hydrazines via Endocyclic N- Acylhydrazonium Intermediates: A Novel Route to the 1-Azatropane Skeleton.
28. ChemInform Abstract: Role of the 2-Oxonia Cope Rearrangement in π-Cyclizations of α -Methoxycarbonyl Oxycarbenium Ions.
29. ChemInform Abstract: Formamide as a Superior Nitrogen Nucleophile in Palladium(II) Mediated Synthesis of Imidazolidines.
30. ChemInform Abstract: Xanthate Transfer Cyclization of Glycolic Acid-Derived Radicals. Synthesis of Five- to Eight-Membered Ring Ethers.
31. ChemInform Abstract: Copper-Catalyzed N-Acyliminium Ion Cyclization to 3-Azabicyclo(3.3.1) nonanes: Synthesis of 2,4-Disubstituted 1-Azaadamantanes.
32. ChemInform Abstract: N-Acyliminium Ion Cyclizations in Natural Product Chemistry: Synthesis of Gelsemine.
33. ChemInform Abstract: Xanthate Transfer Cyclization of Glycine Radicals; Synthesis of 5- and 6-Membered Ring Nitrogen Heterocycles.
34. ChemInform Abstract: π-Cyclizations of α-Methoxycarbonyl Oxycarbenium Ions; Synthesis of Oxacyclic Carboxylic Esters.
35. ChemInform Abstract: Synthesis of Enantiomerically Pure Eight- and Nine-Membered Lactones by Copper(I) Chloride/2,2′-Bipyridine-Catalyzed Cyclization.
36. ChemInform Abstract: Stereoselective Carbon-Carbon Bond Formation via Allylic N- Sulfonyliminium Ions.
37. ChemInform Abstract: Chirality Preservation in Pyrrolinone Iron Tetracarbonyl Complexes - A Route to Enantiopure 5-Substituted Pyrrolinones.
38. ChemInform Abstract: Synthesis of D-(+)-Biotin by Selective Ring Closure of N-Acyliminium Silyl Enol Ethers.
39. ChemInform Abstract: Palladium(0)-Catalyzed Coupling Reactions of an N-Tosylpyrrolidinone- Derived Enamine Triflate.
40. ChemInform Abstract: Studies Towards the Synthesis of (+)-Ptilomycalin A; Stereoselective N- Acyliminium Ion Coupling Reactions to Enantiopure C-2 Substituted Lactams.
41. ChemInform Abstract: Synthesis of Enantiopure Aza-Analogues of Cocaine.
42. ChemInform Abstract: Synthesis and Reactivity of Pyrrolidinone- and Piperidinone-Derived Enol Triflates.
43. ChemInform Abstract: Synthesis of Enantiopure (Nor-)Azatropanes via N-Acylhydrazonium Ion Intermediates.
44. ChemInform Abstract: Total Synthesis of Desoxoprosophylline: Application of a Lactam- Derived Enol Triflate to Natural Product Synthesis.
45. ChemInform Abstract: Stereoselective Synthesis of Dihydropyrans via Vinylsilane-Terminated Cyclizations of Ester-Substituted Oxycarbenium Ion Intermediates.
46. ChemInform Abstract: Synthesis and Further Reactivity of Functionalized Lactam-Derived Enol Triflates.
47. ChemInform Abstract: Michael Additions to (R)-1-Acetyl-5-isopropoxy-3-pyrrolin-2-one and Subsequent N-Acyliminium Ion Generation: Synthesis of Enantiopure 1-Azabicycles and Preparation of an Intermediate for a Projected Synthesis of Roseophilin.
48. ChemInform Abstract: New Applications of N-Acyliminium Precursors: Tetracarbonyliron-Mediated Stereoselective Alkylations of 5-(R)-Isopropoxy-3-pyrrolin-2-ones
49. ChemInform Abstract: Oxazaborolidine‐Catalyzed Enantioselective Reduction of Cyclic meso‐ Imides.
50. ChemInform Abstract: New Applications of Chiral N‐Acyliminium Precursors
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