Alpha-methylenation/Diels-Alder tandem reaction promoted by ammonium salts generated in situ from secondary-tertiary diamines and alkoxymethyl chlorides |
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| Authors: | Nakamura Hiroko Yamamoto Hisashi |
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| Affiliation: | Graduate School of Engineering, Nagoya University, SORST, Japan Science and Technology Corporation (JST), Chikusa, Nagoya 464-8603, Japan. |
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| Abstract: | A simple one-pot synthesis of spiranones from cycloketones and dienes promoted by an ammonium salt generated in situ from diamine and alkoxymethyl chloride through a tandem alpha-methylenation/Diels-Alder reaction is described. |
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