Polymer-supported electron-rich diene fo
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Camille Pierres; Pascal George; Luc van Hijfte; Jean-Bernard Ducep; Marcel Hiber
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Article
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2003
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Elsevier Science
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French
⚖ 159 KB
Brassard diene analogue was grafted on a modified Merrifield resin and used in a hetero Diels-Alder reaction with various aldehydes or ketones. The reaction gave access to 6-substituted 5,6-dihydropyrones (5a-u). This new immobilized electron-rich diene is more stable than the corresponding native d