Chemistry Letters p. 609 - 612 (1982)
Update date:2022-08-05
Topics:
Naruta, Yoshinori
Uno, Hidemitsu
Maruyama, Kazuhiro
The new total synthesis of pyranonaphthoquinone antibiotics, (+/-)-nanaomycin A (1) and (+/-)-deoxyfrenolicin (2), is discussed.The key step in the reaction sequence is Lewis acid mediated Michael addition of acylnaphthoquinone (5) with methyl 2-(dimethylphenylsilyl)-3-butenoate (7).
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