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Search results for: claisen condensation

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Synthesis of Highly Substituted Pyrroles via a Multimetal-Catalyzed Rearrangement-Condensation-Cyclization Domino Approach
... . Key Words Pyrroles, Claisen rearrangement ID: J54-Y2006-1340 ... a silver(I )-catalyzed propargyl-Claisen rearrangement, an amine ... , and a gold(I )-catalyzed 5-exo-dig heterocyclization in ...
URL: http://www.organic-chemistry.org/abstracts/lit1/258.shtm
Microwave Chemistry Highlights
... Highlights: Tandem Cyclization/Claisen Rearrangements, Primary Thioamides ... Microwave Chemistry Highlights: Tandem Claisen-Mislow-Evans Rearrangement, 1-Amido-2-cyclohexenes, ... 2-Aminoimidazoles, Suzuki/Aldol Condensation Reaction Doris Dallinger 15 ...
URL: http://www.organic-chemistry.org/Highlights/microwave.shtm
Selective Synthesis of ?,?-Unsaturated Ketones by Dibutyltin Dimethoxide-Catalyzed Condensation of Aldehydes with Alkenyl Trichloroacetates
... hergestellt werden. Key Words Claisen-Schmidt Condensation Schlüsselworte Claisen-Schmidt-Kondensation ID ... J54-Y2004-970 ... ?-Unsaturated Ketones by Dibutyltin Dimethoxide-Catalyzed Condensation of Aldehydes with Alkenyl ...
URL: http://www.organic-chemistry.org/abstracts/literature/791.shtm
Microwave Chemistry Highlights: Tandem Cyclization/Claisen Rearrangements, Primary Thioamides, Aminoquinazolines, 4-Thiazolidinones
... Karl-Franzens-University Graz Tandem Cyclization/Claisen Rearrangements The base-catalyzed intramolecular ... DOI). The tandem cyclization-Claisen rearrangements were best carried ... 2-d pyridin-4-ylamines based on the condensation of appropriately functionalized N ...
URL: http://www.organic-chemistry.org/Highlights/2005/15January.shtm
Gold(I)-Catalyzed Synthesis of Highly Substituted Furans
... . Key Words Furans, Claisen rearrangement ID: J54-Y2005-1320 ... in a cascade reaction of propargyl-Claisen rearrangement and heterocyclization catalyzed ... Substituted Pyrroles via a Multimetal-Catalyzed Rearrangement-Condensation-Cycliza ion Domino Approach J ...
URL: http://www.organic-chemistry.org/abstracts/literature/969.shtm
Powerful Ti-Crossed Claisen Condensation between Ketene Silyl Acetals or Thioacetals and Acid Chlorides or Acids
... Organic Chemistry Portal Powerful Ti-Crossed Claisen Condensation between Ketene Silyl Acetals or Thioacetals and ... Chlorides or Acids Akira Iida, Syogo Nakazawa, Tomohito Okabayashi, Atsushi Horii, ...
URL: http://www.organic-chemistry.org/abstracts/lit1/480.shtm
Recent Advances in Carbocyclic Ketone Construction
... requisite allyl silane 12 was prepared by Claisen rearrangement of the allylic alcohol 10, ... can also be formed by intramolecular aldol condensation. Roger C. Whitehead of the ...
URL: http://www.organic-chemistry.org/Highlights/2005/12December.shtm
Mild and Efficient Pentafluorophenylammonium Triflate (PFPAT)-Catalyzed C-Acylations of Enol Silyl Ethers or Ketene Silyl (Thio)Acetals with Acid Chlorides
... see article for more examples Powerful Ti-Crossed Claisen Condensation between Ketene Silyl Acetals or Thioacetals ... Acid Chlorides or Acids A. Iida, S. Nakazawa, T. Okabayashi ...
URL: http://www.organic-chemistry.org/abstracts/lit1/675.shtm
Artochamins, Reduction of Nitro Compounds, Polysubstituted Imidazo[1,2-?]pyridines, Carbon-Linked Glycosyl Amino Acids
... . The cascade reaction incorporated two consecutive Claisen rearrangements, collapsing of the Boc groups ... pyridylalanines was accomplished by a Hantzsch-type three-component cyclocondensation of C-glucosyl or C-galactosyl acetaldehydes (1 ...
URL: http://www.organic-chemistry.org/Highlights/2007/15OctoberB.shtm
Enantioselective Construction of Arrays of Stereogenic Centers
... the terminal alkene to give, after Claisen rearrangement, the aldehyde 24. D ... that organocatalysts can effect smooth anti-selective Mannich condensation of imines such as 8 with aldehydes ...
URL: http://www.organic-chemistry.org/Highlights/2007/26February.shtm
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