Showing papers on "Annulation published in 1971"
TL;DR: In this paper, a new annelation reaction initiated by the protonated diazomethyl carbonyl function was utilized in the incorporation of the bicyclo[3,2,1] octane moiety into a variety of intermediates for the total synthesis of tetracyclic diterpenoids.
Abstract: A new annelation reaction, initiated by the protonated diazomethylcarbonyl function, has been utilized in the incorporation of the bicyclo[3,2,1]octane moiety into a variety of intermediates for the total synthesis of tetracyclic diterpenoids.
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