Fig. 1 | Nature Communications

Fig. 1

From: Total synthesis of cyrneines A–B and glaucopine C

Fig. 1

Cyathane diterpenoid natural products. a The structures of cyrneines A−E and glaucopine C. The [5.6.7]-tricycle highlighted in blue circle indicates a common core structural motif shared by the natural products. b The key reactions included in Gademann’s synthesis of cyrneine A. Me methyl, Tf trifluoromethanesulfonyl, TBS tertiary-butyldimethylsilyl, dr diastereomeric ratio

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