α-Alkoxycarbonyl-α-hydroxy secondary amides from a carbamoylsilane and α-ketoesters

Add time:07/13/2019    Source:sciencedirect.com

The addition of N-methoxymethyl-N-organylcarbamoyl(trimethyl)silane to α-ketoesters in anhydrous toluene at 60 °C afforded α-alkoxycarbonyl-α-siloxy amides in high yields (75–96%). The methoxymethyl was used as an amino protecting group and could be easily converted into hydrogen atom by simple acid hydrolysis leading to α-alkoxycarbonyl-α- hydroxy secondary amides.

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