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Search results for: claisen rearrangement
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... catalyst, the enol ethers undergo facile Claisen rearrangement, leading to the allylated ketone ... e.g. 7) with high enantiomeric excess. An alternative allylic coupling has been ...
... requisite allyl silane 12 was prepared by Claisen rearrangement of the allylic alcohol 10, ... by homologation. The Ti enolate from the Sakurai addition was trapped with isobutyraldehyde to ...
... /ASCIDIAN LISSOCLINUM-PATELLA/BETA-HYDROXY ACIDS/AZA-CLAISEN REARRANGEMENT Chiral oxazolidinones in asymmetric synthesis. ... . J. Ager, I. Prakash, D. R. Schaad, ...
... .) that the ester 12 undergoes Claisen rearrangement to give 13 as a single ... . Exposure to the second-generation Grubbs catalyst then delivers the eight-membered ring ether 14. ...
... ENERGY The thermal [3, 3 Claisen rearrangement of the 3-substituted phenyl allyl and ... ethers. The synthesis of 4-halobenzo[b furans. V. G. S ...
... SILYL ENOL ETHERS/PALLADIUM-CATALYZED CARBONYLATION/IODONIO-CLAISEN REARRANGEMENT/DIRECT ALPHA-HYDROXYLATION/AROMATIC CARBOXYLIC-ACIDS ... BETA-DICARBONYL COMPOUNDS/ANOMERIC ALKOXY RADICALS/INDUCED RING ENLARGEMENT/O-IODOXYBENZOIC ACID Hypervalent iodine ...
... product 10 in high ee. The Claisen rearrangement is a powerful method for assembling ... alkylated stereogenic centers. Martin Hiersemann of the Technische Universität Dresden has shown (Org ...
... HYPERVALENT ORGANOIODINE COMPOUNDS/PALLADIUM-CATALYZED CARBONYLATION/IODONIO-CLAISEN REARRANGEMENT ... Author: P. J. Stang ...
... : BETA-KETO-ESTERS/SOLUTION CONFORMATIONAL-ANALYSIS/ENOLATE CLAISEN REARRANGEMENT/ASYMMETRIC STRECKER-SYNTHESIS/CHIRAL AUXILIARY ... /NICKEL(II) SCHIFF-BASE/DE-NOVO DESIGN/SCALEMIC 3,5, ...
... . On deprotonation followed by silylation, Ireland-Claisen rearrangement proceeded with high diastereocontrol. The ... 7 was carried on to (- )-lepadiformine 8. Two recent syntheses of ( ...
