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Search results for: claisen condensation
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... Gleenol (32), that the Claisen rearrangement of 30 delivered the cyclohexene 31 ... anie.200801957) a powerful new cyclopentannulation, condensing the cyclopropane derived from the addition of ...
... Deprotonation/silylation set the stage for Claisen rearrangement to give 11. The subsequent ... was the intramolecular Michael addition / aldol condensation that converted 13 to 14. D ...
... conversion to the fully-substituted alkene 7. Ireland-Claisen rearrangement of the isobutyrate derived from 7 ... the equatorial aldehyde 10. Intramolecular aldol condensation followed by hydrogenation and benzyl oxime formation ...
... . DOI: 10.1021/ol4019453) Ireland-Claisen rearrangement of the lactone 4 to give ... 22 led to an anion that was condensed with 23 to give 24, with ...
... stereocenters by the classic Tsunoda/Ito Claisen rearrangement of 36, prepared from the ... 9. Keiji Maruoka of Kyoto University condensed (Nature Chem. 2011, 3 ...
... that directed the absolute sense of the Claisen rearrangement of 29 to 30. Professor ... Lewis basicity of 13 to effect stereocontrolled condensation with 12. Yujiro Hayashi of the ...
... The second of these enolate-based aza- Claisen ring expansions is illustrated in the conversion ... the Dibal reduction of 6 could be condensed with the amine 7 without epimerization. ...
... Key Words: DIELS-ALDER REACTION/ASYMMETRIC CLAISEN REARRANGEMENT/CHIRAL ORGANOALUMINUM REAGENTS/HINDERED ... MOLECULAR RECOGNITION/VINYL ETHERS Directed aldol condensation. S. Saito, H. ...
... , 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 ...
... , would convert 11 into 12. Claisen rearrangement is also a good way to ... 18 with Ph3P and t-butyl lithium. Condensation of an aldehyde 20 with 19 gave ...
