𝔖 Bobbio Scriptorium
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Simple and Improved Procedure for the Regioselective Acylation of Aromatic Ethers with Carboxylic Acids on the Surface of Graphite in the Presence of Methanesulfonic Acid.

✍ Scribed by Mona Hosseini Sarvari; Hashem Sharghi


Publisher
John Wiley and Sons
Year
2005
Weight
21 KB
Volume
36
Category
Article
ISSN
0931-7597

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The Reaction of (N-Isocyanimino)tripheny
✍ Ali Ramazani; Morteza Rouhani; Aram Rezaei; Nahid Shajari; Ali Souldozi πŸ“‚ Article πŸ“… 2011 πŸ› John Wiley and Sons 🌐 German βš– 157 KB πŸ‘ 2 views

Reactions of biacetyl (ΒΌ butane-2,3-dione) with (N-isocyanimino)triphenylphosphorane in the presence of aromatic carboxylic acids proceed smoothly at room temperature and under neutral conditions to afford 3-(5-aryl-1,3,4-oxadiazol-2-yl)-3-hydroxybutan-2-one derivatives in high yields. Introduction