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Unusual regioselectivity in a Diels-Alder reaction of isoprene with levoglucosenone

✍ Scribed by M. S. Miftakhov; I. N. Gaisina; F. A. Valeev

Book ID
112540089
Publisher
Springer
Year
1996
Tongue
English
Weight
266 KB
Volume
45
Category
Article
ISSN
1573-9171

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✍ Tony K.M. Shing; Ho Y. Lo; Thomas C.W. Mak πŸ“‚ Article πŸ“… 1999 πŸ› Elsevier Science 🌐 French βš– 346 KB

Diels-Alder reactions of R-(-)-carvone with isoprene using different Lewis acids as catalysts have been studied. The best results were obtained with EtAICI2 at 25 Β°C for 48 hours. The yields are quantitative and the d.e. is 86.8%. Regioselective dihydroxylation at the endocyclic double bond of the c