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Lewis-acid-catalyzed Photodimerization of Coumarins and N-methyl-2-quinolone

✍ Scribed by Helmut Görner; Thomas Wolff


Book ID
111413224
Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
697 KB
Volume
84
Category
Article
ISSN
0031-8655

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Hydroxy-, Methoxymercuration and Lewis A
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Methyl linoleate (1) reacts by hydroxymercuration-demercuration to methyl hydroxyoctadecenoates (2) of the ricinolic acid type and tetrahydrofurans 4,5. Good yields of 4 , 5 are favored by high concentrations of 1 and reagents and reflux temperature. Methyl ricinolate cyclizes in an analogous reacti