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- W2021808124 abstract "Abstract A usefull extension of the available methods for the conversion of carbonyl compounds into ketene-O,S-acetals1,2,3 has been found in the Peterson olefination with methoxyphenylthiotrimethylsilyl-methyllithium 1 of aldehydes and ketones. The starting material for this reagent 1 was prepared by reaction of methoxyphenylthio-methyllithium4,5 with chlorotrimethylsilane at -80°C in THF. Deprotonation of the obtained methoxyphenylthiotrimethylsilyl-methane with n-butyllithium at -80°C in THF gave 1 and subsequent addition of the carbonyl compound at -80°C gave mixtures of Z and E ketene-O,S-acetals 2." @default.
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- W2021808124 date "1983-10-01" @default.
- W2021808124 modified "2023-10-12" @default.
- W2021808124 title "A Facile Ester Homologation of Carbonyl Compounds Via Ketene-O,S-Acetals" @default.
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- W2021808124 doi "https://doi.org/10.1080/00397918308082716" @default.
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