A simple and selective acetylation of primary alcohols in the presence of other reactive functionalities such as secondary alcohol, phenol, acetonide and amine is described using mild ethylacetate as the acetyl-transfer agent and solid potassium carbonate as the catalyst.
Process Intensification and Increased Safety for the On-Demand Continuous Flow Synthesis of Dithiothreitol, a Crucial Component in Polymerase Chain Reaction Testing Kits
作者:Maryne A. J. Dubois、Virginie Carreras、Matt R. Adams、Vanessa Kairouz、Jean-François Vincent-Rocan、John G. Riley、André B. Charette
DOI:10.1021/acs.oprd.2c00345
日期:2023.1.20
conducted in a telescoped continuous flow fashion, allowing generation and consumption of the hazardous intermediate in situ, suppressing the need for its isolation, and improving the overall safety of the synthesis. The process is completed by an acid-catalyzed deacetylation and a subsequent recrystallization to afford the desired DTT. Flow chemistry allows here to intensify the process by using high temperatures