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Search results for: claisen condensation

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... . 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
... . 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
... 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
... .) a guanidinium catalyst for the Claisen rearrangement of 4 to 5. Jacek ... commercial phosphine catalyst that efficiently mediated the condensation of 10 with 11. David W ...
URL: http://www.organic-chemistry.org/Highlights/2011/15August.shtm
... but rather 12, the product of Claisen rearrangement. Reasoning that the Claisen rearrangement ... by the Arndt-Eistert procedure, then by condensation of the methyl ester so prepared with ...
URL: http://www.organic-chemistry.org/Highlights/2012/02January.shtm
... , 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
... 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
... , presumably by way of an equilibrating Claisen rearrangement. Fortunately, when the solid ... way of the corresponding enol triflate. Condensation with dihydrorescorcinol 9 delivered the triene 10 ...
URL: http://www.organic-chemistry.org/Highlights/2012/05March.shtm
... , 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
... the allyl vinyl ether 1 and subsequent Claisen rearrangement to the enone 2. To ... 11. Methylation followed by DIP-mediated aldol condensation with 13 led to the alcohol 14 ...
URL: http://www.organic-chemistry.org/Highlights/2013/03June.shtm
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