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Search results for: pinacol rearrangement
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... skeleton. This was achieved by the pinacol rearrangement of 13 with BF3 . OEt2 ... a route to 3 based on a rearrangement of 2, available by the Pauson-Khand ...
... Lanzhou University that the cation 15 from pinacol rearrangement of 14 is trapped by the ... enantiocontrol. Sharpless aziridination followed by aza-Payne rearrangement allows easy access to epoxy sulfonamides such ...
... 11. Protection followed by epoxidation and semi-pinacol rearrangement then established the correct diastereomer of ... with the triene alcohol 4. Claisen rearrangement with 5 followed by the addition of ...
... used in an ?-ketol rearrangement (a pinacol-like 1,2 Wagner-Meerwein shift - check ... cyclohexadienone enantiomer is used in an ?-ketol rearrangement (a pinacol-like 1,2 Wagner-Meerwein ...
... then gave the alkene. The elegant pinacol rearrangement of 1 to 2, mediated ... ) illustrates the power of diastereoselective carbocationic rearrangements, as exemplified by the conversion of ...
... led to a Vilsmeier reagent that converted pinacolone (8 ) to the bromo aldehyde ... lactone 14, that was deprotected and rearranged to the nearly symmetrical 15. To ...
... , formed in high ee, on pinacol rearrangement gives the cyclopentanone 3 with retention ... the high ee. Alternatively, exposure of 2 to LiI gives the opposite enantiomer ...
... of Seoul National University, was the Prins-pinacol rearrangement of 1 to 2. Remarkably ... the axial aldehyde was the dominant kinetic product from the cyclization. This could be ...
... 8 followed by protection and Lewis acid-mediated pinacol rearrangement to give 9. The corresponding ... 10 was cyclized to the ketone 11. Following the House precedent established decades ago ...
... 28 to the ketone 27 followed by pinacol rearrangement . Zhaoguo Zhang of Shanghai Jiao ... University and Tahar Ayad and Virginie Ratovelomanana-Vidal of Chimie ParisTech coupled (ACS Catal. ...
