„Closure“

Suchergebnisse

10.000+ Treffer

• Regioselective Synthesis of 1‐Alkyl‐ or 1‐Aryl‐1H‐indazoles via Copper‐Catalyzed Cyclizations of 2‐Haloarylcarbonylic Compounds.
  Vina, Dolores ; del Olmo, Esther ; Lopez‐Perez, Jose L. ; San Feliciano, Arturo
• Reaction of N‐Substituted 2‐Oxochromen‐3‐carboxamides with Bromoderivatives of Zinc Enolates Prepared from Alkyl 2,2‐Dialkyl‐4,4‐dibromo‐3‐oxoalkanoates and Zinc.
  Shchepin, V. V. ; Silaichev, P. S. ; Russkikh, N. Yu. ; Vakhrin, M. I. ; Kodess, M. I.
• ChemInform Abstract: A Tandem Oximation—Cyclization Route to Δ 2 ‐Isoxazolines.
  Norman, Amber L. ; Shurrush, Khriesto A. ; Calleroz, Amanda T. ; Mosher, Michael D.
• Synthesis and Tuberculostatic Activity of New Benzimidazole Derivatives.
  Foks, H. ; Pancechowska‐Ksepko, D. ; Kuzmierkiewicz, W. ; Zwolska, Z. ; Augustynowicz‐Kopec, E. ; Janowiec, M.
• ChemInform Abstract: Reaction of Thiolesters with Nitrogen Ylides.
  Voltrova, Svatava ; Srogl, Jiri
• Synthesis of 1‐Aryl‐4‐formylpyrazoles from Acetaldehyde N‐Arylhydrazones by the Vilsmeier—Haack Method.
  Chornous, V. A. ; Bratenko, M. K. ; Vovk, M. V.
• Stereoselective Synthesis of 2,4‐Disubstituted Butanolides.
  Lozanova, A. V. ; Ugurchieva, T. M. ; Veselovsky, V. V.
• ChemInform Abstract: Asymmetric Cyclization—Carbonylation of 2‐Alkyl‐2‐propargylcyclohexane‐1,3‐diones: Facile Access to Optically Active Hydrindans.
  Kusakabe, Taichi ; Kato, Keisuke ; Takaishi, Satoshi ; Yamamura, Shigeo ; Mochida, Tomoyuki ; Akita, Hiroyuki ; Peganova, Tat'yana A. ; Vologdin, Nikolai V. ; Gusev, Oleg V.
• Synthesis, Acute Toxicity, and Analgesic Activity of New Derivatives of Pyrrole.
  Danchev, Nikolai ; Bijev, Atanas ; Yaneva, Diana ; Vladimirova, Stanislava ; Nikolova, Irina
• A Facile Synthesis of N‐(2‐(Trifluoromethyl) allyl) amides and Their Transformation into Angularly Trifluoromethylated Bicyclic Cyclopentenones.
  Nadano, Ryo ; Ichikawa, Junji
• Effect of Substitution on the Intramolecular 1,3‐Dipolar Cycloaddition of Alkene Tethered Muenchnones.
  Belanger, Guillaume ; April, Myriam ; Dauphin, Etienne ; Roy, Stephanie
• Study of the Behavior of p‐Bis{3‐(N,N‐dialkyl‐N‐(4‐hydroxybut‐2‐ynyl) ammonio) prop‐2‐ynyl}‐benzene Dichlorides in Relation to Aqueous Alkali. Double Intramolecular Recyclization of Benzo (5,6;5′,6′‐a,c) di (2,2‐dialkyl‐4‐hydroxymethyl) isoindolinium Dichlorides.
  Chukhadzhyan, E. O. ; Gevorkyan, A. R. ; Khachatryan, A. A. ; Chukhadzhyan, El. O. ; Panosyan, G. A.
• Antimicrobial Activity of 1‐(p{3′‐(2′‐Aryl‐4‐oxo‐1′,3′‐thiazolyl)}diphenyl)/(3′‐(2′‐aryl‐4‐oxo‐1′,3′‐thiazolyl))‐2‐phenyl‐4‐cyclohexylidene Imidazol‐5‐ones.
  Bishnoi, Abha ; Srivastava, Krishna ; Tripathi, C. K. M.
• ChemInform Abstract: Gold‐Catalyzed Synthesis of Oxygen‐ and Nitrogen‐Containing Heterocycles from Alkynyl Ethers: Application to the Total Synthesis of Andrachcinidine.
  Jung, Hyung Hoon ; Floreancig, Paul E.
• ChemInform Abstract: Syntheses of 1,5‐Benzothiazepines. Part 33. Syntheses and Antimicrobial Studies of 10‐Substituted‐6‐(4‐methoxyphenyl)‐6H‐6a,7‐dihydro‐7‐ (4‐methoxyphenyl/3,4‐dimethoxyphenyl)(1) benzopyrano (3,4‐c) (1,5) benzothiazepines.
  Pant, Seema ; Sharma, Priyanka ; Sharma, B. S. ; Pant, Umesh C.
• Highly Selective Cascade Couplings for the Syntheses of Functionalized Piperidinones and Bispidines.
  Xu, Feng ; Corley, Edward ; Murry, Jerry A. ; Tschaen, David M.
• Preparation of Cyclopenta‐Fused N‐, O‐, and S‐Heterocycles by Lewis Acid Catalyzed Nazarov Reaction.
  Bartali, Laura ; Larini, Paolo ; Guarna, Antonio ; Occhiato, Ernesto G.
• Magnesium Perchlorate: An Efficient Catalyst for One‐Pot Synthesis of Pyrano‐ and Furanoquinolines.
  Kamble, Vinod T. ; Ekhe, Vijaymala R. ; Joshi, Neeta S. ; Biradar, Ankush V.
• S,S‐Dimethyl Dithiocarbonate as a Valuable Starting Material for the Synthesis of 5‐Substituted Oxazolidinones under Solid‐Liquid Phase Transfer Catalysis (SL‐PTC) Conditions.
  Landini, Dario ; Salsa, Matteo ; Carvoli, Gianni ; Pecnikaj, Ilir
• ChemInform Abstract: An Efficient Route to Phenylselenoethers in the Presence of Ag 2 O.
  Bugarcic, Zorica M. ; Divac, Vera M. ; Gavrilovic, Mariana P.