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Platinum-Catalyzed Enantioselective Aldol Addition of Ketene Silyl Acetals to Aldehydes

โœ Scribed by Fujimura, Osamu

Book ID
121213673
Publisher
American Chemical Society
Year
1998
Tongue
English
Weight
287 KB
Volume
120
Category
Article
ISSN
0002-7863

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The effect of hydrogen bonding between nitrones and urea derivatives in the nucleophilic addition reaction was examined. Thioureas bearing an electron-withdrawing group on an aromatic ring, behave like Lewis acid to promote the addition of TMSCN and ketene silyl acatals to various nitrones and aldeh