Reversal of the regioselectivity in a cycloaddition of o-quinones by varying the position of alkoxy substituents |
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| Authors: | Atsuhito Kuboki Toru Yamamoto |
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| Institution: | Department of Biochemistry, Okayama University of Science, 1-1 Ridai-cho, Okayama 700-0005, Japan |
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| Abstract: | We have investigated the regioselective cycloaddition of o-quinones 1b-e with the protected sinapyl alcohol 2. It was found that the position of the alkoxy substituent on the o-quinone ring controlled the regioselectivity of the cycloaddition. In addition, our reported procedure for determining the location of the side chains on 1,4-benzodioxanes has been improved. |
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| Keywords: | o-Quinone 1 4-Benzodioxane Cycloaddition Regioselectivity |
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