The intermediate 2, previously used in several synthetic sequences toward forskolin (1), has been synthesized from enone 3. The key step in the sequence is the 1,3-oxidative rearrangement of the tertiary alcohol 5, which allowed the easy introduction of the keto group at C-6 of 2.
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Chinese Acad Sci, Shanghai Inst Organ Chem, Shanghai 200032, Peoples R ChinaChinese Acad Sci, Shanghai Inst Organ Chem, Shanghai 200032, Peoples R China
Wang, B
Fang, K
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Chinese Acad Sci, Shanghai Inst Organ Chem, Shanghai 200032, Peoples R ChinaChinese Acad Sci, Shanghai Inst Organ Chem, Shanghai 200032, Peoples R China
Fang, K
Lin, GQ
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Chinese Acad Sci, Shanghai Inst Organ Chem, Shanghai 200032, Peoples R ChinaChinese Acad Sci, Shanghai Inst Organ Chem, Shanghai 200032, Peoples R China