Functionalization with silyl enol ethers,VI Zinc chloride mediated alkoxyalkylation of O-methyl-O-trimethylsilyl) keten acetals with 2-alkoxy-1,3-dioxolanes |
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| Authors: | Eyüp Akgün Mustafa Tunali Ulf Pindur |
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| Affiliation: | (1) Chemistry Department, Research Institute for Basic Sciences, P.O. Box 74, Gebze-Kocaeli, Turkey;(2) Fachbereich Pharmazie, Johannes-Gutenberg-Universität Mainz, D-6500 Mainz, Bundesrepublik Deutschland |
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| Abstract: | O-Methyl-O-(trimethylsilyl) keten acetals2 were regioselectively alkoxyalkylated by 2-alkoxy-1,3-dioxolanes1 in the presence of zinc chloride. This method represents a good way for synthesis of  -protected  -keto carbonic esters4.a)Akgün E,Pindur U (1983) Chem-Ztg 107: 236; b)Akgün E,Pindur U (1983) 107: 237; c)Akgün E,Pindur U (1984) Synthesis 1984: 227; d)Akgün E,Pindur U (1984) Monatsh Chem 115: 587; e)Akgün E,Pindur U (1985) Liebigs Ann Chem 1985: 2472 |
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| Keywords: | Alkoxyalkylation of (trimethylsilyl) keten acetals, with ZnCl2· Et2O as Lewis-acid |
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