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Dr. Bahaa El-Dien M. El-Gendy :: Publications: |
Title: | Benzotriazole-mediated alkoxyalkylation and acyloxyalkylation |
Authors: | Alan R. Katritzky, Ashraf A.A. Abdel-Fattaha, Krzysztof R. Idzika, , Bahaa El-Dien M. El-Gendya, Jadwiga Soloduchoc |
Year: | 2007 |
Keywords: | Not Available |
Journal: | Not Available |
Volume: | Not Available |
Issue: | Not Available |
Pages: | Not Available |
Publisher: | Not Available |
Local/International: | International |
Paper Link: | |
Full paper | Not Available |
Supplementary materials | Not Available |
Abstract: |
Reactions of readily available and stable 1-(α-alkoxyalkyl)benzotriazoles type 9a,b and 10a–d with a variety of silyl enol ethers 11 or 1,3-dicarbonyl compounds 13 give the expected ketones 12a–l (60–92%), β-keto esters 14a,b (62–67%), and malonates 14c,d (79–88%) in which a tetrahydrofuran or tetrahydropyran moiety has been introduced at the α position. 1-(Benzotriazol-1-yl)alkyl esters 7 are converted by cyanide anion into cyanohydrin esters 15a–i (55–98%). |