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Search results for: claisen rearrangement

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Author: D. Enders
... , 1847. Key Words: ACCELERATED CLAISEN REARRANGEMENTS/CHIRAL ORGANOALUMINUM REAGENT/N-ALLYLKETENE ... /ENAMINE ALKYLATION Asymmetric [3.3 -sigmatropic rearrangements in organic synthesis. D. Enders ...
URL: http://www.organic-chemistry.org/abstracts/authors/enders-d.shtm
Microwave Chemistry Highlights: C-Glycosides, 2-Amino-dihydropyrimidin-4-ones, Cross-Coupling of Arylboronic Acids with Acid Chlorides, Tricyclic Heterocycles
... further diversified by Eu(III )-catalyzed Claisen rearrangement where glycosides 4 undergo a [ ... ,3 -sigmatropic rearrangement and furnish the novel phenol derivatives 5. Synthesis of 2-Amino-dihydropyrimidin-4-ones ...
URL: http://www.organic-chemistry.org/Highlights/2006/15November.shtm
New Methods for Carbon-Carbon Bond Formation
... , would convert 11 into 12. Claisen rearrangement is also a good way to ... disubstituted and trisubstituted alkenes. The simplest version of this reaction is two-carbon homologation by ...
URL: http://www.organic-chemistry.org/Highlights/2007/24September.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 ... a formal [2+2 cycloaddition. Further chemoselective protection of 2 with subsequent ...
URL: http://www.organic-chemistry.org/Highlights/2007/15OctoberB.shtm
The Zakarian Synthesis of (+)-Pinnatoxin A
... , Santa Barbara, was the diastereoselective Claisen rearrangement of 1 to 2. The ... portion of ester 1 was derived from the aldehyde 4, prepared from D-ribose. ...
URL: http://www.organic-chemistry.org/Highlights/2009/02March.shtm
C-O Ring Containing Natural Products: Paeonilactone B (Taylor), Deoxymonate B (de la Pradilla), Sanguiin H-5 (Spring), Solandelactone A (White), Spirastrellolide A (Paterson)
... reagent, to give 12. Subsequent Claisen rearrangement delivered the eight-membered ring lactone, ... give the allylic sulfoxide 5. Mislow-Evans rearrangement converted 5 into 6, the enantiomerically-pure ...
URL: http://www.organic-chemistry.org/Highlights/2009/09February.shtm
Author: M. Lounasmaa
... RING-SYSTEMS/N-B-OXIDES/STEREOSELECTIVE SYNTHESIS/CLAISEN REARRANGEMENT/MODEL COMPOUNDS/SARPAGAN/ ... /DERIVATIVES/ROUTE Acid-catalysed C-3 epimerization of reserpine and other indolo[2, ...
URL: http://www.organic-chemistry.org/abstracts/authors/lounasmaa-m.shtm
Author: I. Marek
... ZINC REAGENTS/ALLYLIC ORGANOBISMETALLIC REAGENTS/METALLA-CLAISEN REARRANGEMENT/LITHIUM-TITANIUM EXCHANGE/CROSS-COUPLING REACTION ... . Marek, J. F. Normant, in Metal-Catalyzed Cross-Coupling Reactions (Eds ...
URL: http://www.organic-chemistry.org/abstracts/authors/marek-i.shtm
Author: S. Saito
... Key Words: DIELS-ALDER REACTION/ASYMMETRIC CLAISEN REARRANGEMENT/CHIRAL ORGANOALUMINUM REAGENTS/HINDERED ... CARBONYLS/DIFFERENT ESTER CARBONYLS/METHYLALUMINUM BIS(2,6-DI-TERT-BUTYL-4-METHYLPHENOXIDE)/ALPHA ...
URL: http://www.organic-chemistry.org/abstracts/authors/saito-s.shtm
Best Synthetic Methods
... acrylates invite tandem conjugate addition/ Ireland Claisen rearrangement. D. F. Taber ... Org. Chem. Highlights 2004, April 12. URL: http:/ ...
URL: http://www.organic-chemistry.org/Highlights/2004/12April.shtm
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