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Search results for: claisen rearrangement
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... 68, 863. Key Words: THIO-CLAISEN REARRANGEMENT/CHEMISTRY/SULFUR/ESTERS ... DITHIOACETALS/DITHIOESTERS/THIOKETONES/CENTERS/CARBON Thiocarbonyl compounds as specific tools for ...
... DERIVATIVES/NATTA ALKENE INSERTION/ALIPHATIC CLAISEN REARRANGEMENT/ALKYNE 2+2 CYCLOADDITIONS ... HALF-OPEN TITANOCENES/ASYMMETRIC HYDROGENATION/HOMOGENEOUS CATALYSIS Organotitanium compounds in organic synthesis. N ...
... 4979.) the remarkable Cu *-catalyzed Claisen rearrangement of the prochiral 25, leading ... 26 and thus to the versatile intermediate 27. At least as remarkable is the ...
... liquids for high-temperature organic reactions such as Claisen rearrangement, isomerizations, and the Diels-Alder ... was demonstrated. Advantages of these solvents are high thermal stability and recyclability. see ...
... a quaternary stereogenic center, the subsequent Claisen rearrangement to 7 proceeded with complete facial ... . Oxidation to the nonenolizable ?-diketone 8 then set the stage for the conjugate addition ...
... polyols; MANDIBULAR GLAND SECRETION; ENOLATE CLAISEN REARRANGEMENT; POLYENE MACROLIDE ANTIBIOTICS; STEREOSELECTIVE ... INDUCTION/1,3-DIOLS The silyloxy-Cope rearrangement of syn-aldol products: Evolution of a ...
... for further transformation, for instance by Claisen rearrangement. Prochiral ?-substituted enones such as ... are inexpensive starting materials. Patrick Walsh of the University of Pennsylvania recently reported ( ...
... 5, 395. Key Words: IRELAND-CLAISEN REARRANGEMENT; OXY-COPE REARRANGEMENT; ALPHA-AMINO-ACIDS; ... ARYL ETHERS; ENANTIOSELECTIVE SYNTHESIS; STEREOSELECTIVE SYNTHESIS; TRIFLUOROMETHYLATED COMPOUNDS; DIASTEREOSPECIFIC APPROACH; ...
... ; SELECTIVE 1,4-CHIRAL INDUCTION; IRELAND-CLAISEN REARRANGEMENT; INTERNAL ASYMMETRIC INDUCTION; DELTA-HYDROXY ... via [2,3 -Wittig sigmatropic rearrangement. K. Mikami, T. ...
... DIOXADIAZINES/DITHIADIAZINES/OXATRIAZINES/THIATRIAZINES Claisen Rearrangements in Heteroaromatic Systems. C. ... . Moody, Adv. Heterocycl. Chem., 1987, 42, 203 ...
