Studies in terpenoids. Part LXXVI. Synthesis of (+)-(S)-ar-pseudotsugonal

Abstract

pβˆ’RC6H4CHMeCH2COCH2CHMe2p-RC_6H_4CHMeCH_2COCH_2CHMe_2 (I; R=CHO) was prepared from chiral I CR=Me) by oxidation to I (R=CO2H)(R=CO_2H), reduction to I (R=CH2OH)(R=CH_2OH), and oxidation to I (R=CHO)

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