Efficient route to 4a-methyltetrahydrofluorenes: a total synthesis of (+/-)-dichroanal B via intramolecular Heck reaction |
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| Authors: | Planas Loïc Mogi Muneto Takita Hirofumi Kajimoto Tetsuya Node Manabu |
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| Institution: | Department of Pharmaceutical Manufacturing Chemistry, 21 Century COE program, Kyoto Pharmaceutical University, Misasagi, Yamashina, Kyoto 607-8414, Japan. |
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| Abstract: | An efficient new route based on intramolecular Heck cyclization of the diene 11 was developed to prepare the 4a-methyltetrahydrofluorene diterpenoids and utilized for the total synthesis of (+/-)-dichroanal B with significantly improved overall yield. |
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