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Search results for: claisen condensation

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Enantioselective Construction of Arrays of Stereogenic Centers
... product 10 in high ee. The Claisen rearrangement is a powerful method for assembling ... stereogenic centers are often assembled by aldol condensation. Huw M.L. Davies of the ...
URL: http://www.organic-chemistry.org/Highlights/2006/31July.shtm
Enantioselective Synthesis of C-N Ring Containing Natural Products
... . On deprotonation followed by silylation, Ireland-Claisen rearrangement proceeded with high diastereocontrol. The ... of the University of Iowa of the condensation of 1 with 2, followed by ...
URL: http://www.organic-chemistry.org/Highlights/2007/08January.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
Author: D. Enders
... , 1847. Key Words: ACCELERATED CLAISEN REARRANGEMENTS/CHIRAL ORGANOALUMINUM REAGENT/N-ALLYLKETENE ... 569. Key Words: ENZYMATIC ALDOL CONDENSATION/ALDEHYDE-SAMP HYDRAZONES/ASYMMETRIC-SYNTHESIS/NUCLEOPHILIC ...
URL: http://www.organic-chemistry.org/abstracts/authors/enders-d.shtm
New Methods for Carbon-Carbon Bond Formation
... , would convert 11 into 12. Claisen rearrangement is also a good way to ... Ph 3 P and t-butyl lithium. Condensation of an aldehyde 20 with 19 gave ...
URL: http://www.organic-chemistry.org/Highlights/2007/24September.shtm
Author: C. Schneider
... polyols; MANDIBULAR GLAND SECRETION; ENOLATE CLAISEN REARRANGEMENT; POLYENE MACROLIDE ANTIBIOTICS; STEREOSELECTIVE ... lactones/small ring systems/HALIDE-ALDEHYDE CYCLOCONDENSATIONS/ALDOL REACTIONS/2-OXETANONES/ACID ...
URL: http://www.organic-chemistry.org/abstracts/authors/schneider-c.shtm
The Zakarian Synthesis of (+)-Pinnatoxin A
... , Santa Barbara, was the diastereoselective Claisen rearrangement of 1 to 2. The ... 3) was assembled by intramolecular aldol condensation of the dialdehyde 11. This outcome ...
URL: http://www.organic-chemistry.org/Highlights/2009/02March.shtm
Author: S. Saito
... Key Words: DIELS-ALDER REACTION/ASYMMETRIC CLAISEN REARRANGEMENT/CHIRAL ORGANOALUMINUM REAGENTS/HINDERED ... MOLECULAR RECOGNITION/VINYL ETHERS Directed aldol condensation. S. Saito, H. ...
URL: http://www.organic-chemistry.org/abstracts/authors/saito-s.shtm
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