Found: 20
Select item for more details and to access through your institution.
Copper-Free Sonogashira Coupling of Acid Chlorides with Terminal Alkynes in the Presence of a Reusable Palladium Catalyst: An Improved Synthesis of 3-Iodochromenones (=3-Iodo-4H-1-benzopyran-4-ones).
- Published in:
- Helvetica Chimica Acta, 2008, v. 91, n. 2, p. 259, doi. 10.1002/hlca.200890032
- By:
- Publication type:
- Article
A Biomimetic Synthesis of Sacculatane Diterpenoids.
- Published in:
- Helvetica Chimica Acta, 2008, v. 91, n. 2, p. 249, doi. 10.1002/hlca.200890031
- By:
- Publication type:
- Article
Synthesis of 3-Aminotropones from N-Boc-Protected Furan-2-amine (=tert-Butyl Furan-2-ylcarbamate; Boc=(tert-Butoxy)carbonyl) by Cycloaddition Reactions and Subsequent Rearrangement.
- Published in:
- Helvetica Chimica Acta, 2008, v. 91, n. 2, p. 187
- By:
- Publication type:
- Article
Contents: HCA 2/2008.
- Published in:
- Helvetica Chimica Acta, 2008, v. 91, n. 2, p. NA, doi. 10.1002/hlca.200890042
- Publication type:
- Article
Stereoselective Total Synthesis of Natural (S)-Bakuchiol and Its Enantiomer.
- Published in:
- Helvetica Chimica Acta, 2008, v. 91, n. 2, p. 371, doi. 10.1002/hlca.200890041
- By:
- Publication type:
- Article
New Approaches to the Synthesis of 4-(2-Aminophenyl)-1,3-dihydro-2H-imidazol-2-ones and 3-Ureidoindoles and a Study of Their Interconversion.
- Published in:
- Helvetica Chimica Acta, 2008, v. 91, n. 2, p. 354
- By:
- Publication type:
- Article
Pteridines. Part CXIX.Part CXVIII: [1].: A New Pteridine–Purine Transformation.
- Published in:
- Helvetica Chimica Acta, 2008, v. 91, n. 2, p. 338, doi. 10.1002/hlca.200890039
- By:
- Publication type:
- Article
Two Novel abeo-Dammaranes with a Six-Membered Acetal Moiety from Aglaia perviridisHiern.
- Published in:
- Helvetica Chimica Acta, 2008, v. 91, n. 2, p. 333, doi. 10.1002/hlca.200890038
- By:
- Publication type:
- Article
Enantioselective Synthesis of β-Blockers via Hydrolytic Kinetic Resolution of Terminal Oxiranes by Using Bimetallic Chiral {{2,2′-[Cyclohexane-1,2-diylbis(nitrilomethylidyne)]bis[phenolato]}(2−)}cobalt([Co(salen)])-Type Complexes.
- Published in:
- Helvetica Chimica Acta, 2008, v. 91, n. 2, p. 317, doi. 10.1002/hlca.200890037
- By:
- Publication type:
- Article
Pyrrolizidine Alkaloids and Bisabolane Sesquiterpenes from the Roots of Ligularia cymbulifera.
- Published in:
- Helvetica Chimica Acta, 2008, v. 91, n. 2, p. 308, doi. 10.1002/hlca.200890036
- By:
- Publication type:
- Article
Three New Pteridines, Hirudinoidines A – C, from Hirudo nipponicaWhitman.
- Published in:
- Helvetica Chimica Acta, 2008, v. 91, n. 2, p. 303, doi. 10.1002/hlca.200890035
- By:
- Publication type:
- Article
Total Synthesis of the Alkaloid (±)-Aspidophytine Based on Carbonyl Ylide Cycloaddition Chemistry.
- Published in:
- Helvetica Chimica Acta, 2008, v. 91, n. 2, p. 285
- By:
- Publication type:
- Article
A Novel Route to 1-Substituted 3-(Dialkylamino)-9-oxo-9H-indeno[2,1-c]pyridine-4-carbonitrilesPart of the Ph.D. thesis of T. 4;L., University of Zurich, 2001.
- Published in:
- Helvetica Chimica Acta, 2008, v. 91, n. 2, p. 265, doi. 10.1002/hlca.200890033
- By:
- Publication type:
- Article
Two New Steroidal Alkaloids from Veratrum nigrum L.
- Published in:
- Helvetica Chimica Acta, 2008, v. 91, n. 2, p. 244, doi. 10.1002/hlca.200890030
- By:
- Publication type:
- Article
Synthesis of Optically Active 1-(1-Phenylethyl)-1H-imidazoles Derived from 1-PhenylethylaminePresented in preliminary form at the 50th Annual Meeting of the Polish Chemical Society, Toruń, Poland, September 2007.
- Published in:
- Helvetica Chimica Acta, 2008, v. 91, n. 2, p. 232, doi. 10.1002/hlca.200890028
- By:
- Publication type:
- Article
Three New Monoterpenoid Indole Alkaloids from Ervatamia flabelliformis.
- Published in:
- Helvetica Chimica Acta, 2008, v. 91, n. 2, p. 239, doi. 10.1002/hlca.200890029
- By:
- Publication type:
- Article
One-Pot Four-Component Synthesis of Tetrasubstituted Pyrroles.
- Published in:
- Helvetica Chimica Acta, 2008, v. 91, n. 2, p. 227, doi. 10.1002/hlca.200890027
- By:
- Publication type:
- Article
Heteroclitins N – Q, New Compounds from Stems of Kadsura heteroclita (Roxb.) Craib.
- Published in:
- Helvetica Chimica Acta, 2008, v. 91, n. 2, p. 220, doi. 10.1002/hlca.200890026
- By:
- Publication type:
- Article
Selenium-Containing Heterocycles from Isoselenocyanates: 4-Methylselenazole Derivatives from the Reaction with Malononitrile and Propargyl Chloride.
- Published in:
- Helvetica Chimica Acta, 2008, v. 91, n. 2, p. 209, doi. 10.1002/hlca.200890025
- By:
- Publication type:
- Article
Unusual Loss of Substituents in the Course of Cyclization of Tetrahydrobilines to Dihydroporphyrins.
- Published in:
- Helvetica Chimica Acta, 2008, v. 91, n. 2, p. 177, doi. 10.1002/hlca.200890023
- By:
- Publication type:
- Article