ChemInform Abstract: Studies in Asymmetr
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R. Kumareswaran; Padma S. Vankar; M. Venkat Ram Reddy; Sangeeta V. Pitre; Raja R
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Article
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2010
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John Wiley and Sons
⚖ 38 KB
Studies in Asymmetric Synthesis. Part 4. Studies in Lewis Acid and LiClO 4 (or Nafion-H) Catalyzed Ionic Diels-Alder Reactions of Chiral and Achiral Olefinic Acetals Respectively. -Chiral acetals (I), derived from crotonaldehyde, undergo cycloadditions with isoprene or cyclopentadiene to give the c