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Notes - 2-Pyrones. XXVII. 4-Methyl-6-alkyl-2-pyrones

✍ Scribed by Wiley, Richard; Esterle, J.


Book ID
126436137
Publisher
American Chemical Society
Year
1957
Tongue
English
Weight
332 KB
Volume
22
Category
Article
ISSN
0022-3263

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An efficient synthesis of 4-alkenyl/alky
✍ Lester R. Marrison; Julia M. Dickinson; Razwan Ahmed; Ian J.S. Fairlamb πŸ“‚ Article πŸ“… 2002 πŸ› Elsevier Science 🌐 French βš– 137 KB

We herein report the efficient syntheses of biologically active 4-alkenyl-and 4-alkynyl-6-methyl-2-pyrones using Pd-catalysed coupling procedures. A palladium on carbon/triphenylphosphine combination is shown to be the most effective catalyst for Sonogashira cross-coupling of several terminal acetyl