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Esterification of sterically hindered acids and alcohols in fluorous media

✍ Scribed by Badra Gacem; Gérard Jenner

Publisher
Elsevier Science
Year
2003
Tongue
French
Weight
67 KB
Volume
44
Category
Article
ISSN
0040-4039

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✦ Synopsis

Sterically hindered esterification reactions are best performed in specific fluorous media in the presence of catalytic amounts of diphenylammonium triflate. Fluorous media, in addition to their positive effect on yields, have inherent favorable properties respecting environment and permitting simple work-up. Highly congested reagents, however, react only marginally.

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✍ Bena-Marie Lue; Salwa Karboune; Faustinus K Yeboah; Selim Kermasha 📂 Article 📅 2005 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 137 KB 👁 1 views

## Abstract The esterification of cinnamic acid (CA) and oleyl alcohol (OA) in organic solvent media by immobilized lipase Novozym 435 was optimized in terms of selected parameters, including the logarithm of the 1‐octanol/water partition coefficient of the organic solvent (log __P__, 0.29–4.5), in