Diels–Alder Reaction of 2‐Ethenyl‐1,3,3‐trimethylcyclohexene with 4H‐Chromen‐4‐ones: A Convergent Approach to ABCD Tetracyclic Core of Marine Diterpenoids Related to Puupehenone and Kampanols |
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| Authors: | Rajesh M Kamble M M V Ramana |
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| Institution: | 1. Department of Chemistry, University of Mumbai, Santacruz (East), Mumbai‐400 098 India, (phone: +91‐9869074256;2. fax: +91‐022‐26528547) |
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| Abstract: | A rapid assembly of the tetracyclic core of marine diterpenoids related to puupehenone and kampanols by Diels? Alder reaction of 2‐ethenyl‐1,3,3‐trimethylcyclohexene with 4H‐chromen‐4‐one (=4H‐1‐benzopyran‐4‐one) dienophiles is described. |
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| Keywords: | Diels– Alder reactions 4H‐Chromen‐4‐ones Marine diterpenoids Puupehenones Kampanols |
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