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Synlett 1995; 1995(8): 823-824
DOI: 10.1055/s-1995-5084
DOI: 10.1055/s-1995-5084
letter
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The Palladium-Catalysed Carbonylative Coupling of 5-(Trimethylsilylethynyl)-3’,5’-di-O-acetyl-2’-deoxyuridine and 1-Alkynes with Aryl Iodides
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Publikationsverlauf
Publikationsdatum:
31. Dezember 2000 (online)
![](https://www.thieme-connect.de/media/synlett/199508/lookinside/thumbnails/10.1055-s-1995-5084-1.jpg)
The palladium-catalysed reaction of 5-(trimethylsilylethynyl)-3’,5’-di-O-acetyl-2’-deoxyuridine with aryl iodides in the presence of n-Bu4NF and triethylamine under a balloon of carbon monoxide produces 5-(2-acylethynyl)-3’,5’-di-O-acetyl-2’-deoxyuridines in good yields at room temperature. The methodology has been extended to the preparation of α,β-ynones from 1-alkynes and aryl iodides.
5-Substituted Uridines - Palladium Catalysis - α,β-Ynones - 1-Alkynes - Silylalkynes