Synthetic Transformations of Higher Terpenoids. 40. Synthesis and Assessment of Analgesic Activity of N-Containing Derivatives of Lambertianic Acid

New labdanoid derivatives containing hydrophilic substituents (amino, methylamino) in the C-4 position were synthesized via selective transformations of lambertianic acid chloride. A one-pot method was proposed to prepare 16-formyllambertianic acid amide and included selective formylation of lambert...

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