Synthesis of substituted [3]dendralenes and their unique cycloaddition reactions |
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Authors: | Singh Rekha Ghosh Sunil K |
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Affiliation: | Bio-Organic Division, Bhabha Atomic Research Centre, Trombay, Mumbai, India. |
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Abstract: | Dimethylsulfonium methylide mediated olefination of 2-phenylethenylidene phosphonoacetate followed by the Horner-Wadsworth-Emmons reaction with aromatic aldehydes provided access to reactive 1,5-diaryl-2-ethoxycarbonyl [3]dendralenes which in situ underwent Diels-Alder cyclodimerisation leading to highly functionalised cyclohexenes with very high regio- and stereoselectivity. |
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