Neue Phellandren‐Derivate aus dem Wurzelöl von Angelica archangelicaL

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Abstract
New Phellandrene Derivatives from the Root Oil of Angelica archangelica L.2‐Nitro‐1,5‐p‐menthadiene (5), trans‐ and cis‐6‐nitro‐1(7), 2‐p‐menthadiene (6 and 7), trans‐1(7), 5‐p‐menthadien‐2‐yl acetate (9) and a formal phellandrene derivative, 7‐isopropyl‐5‐methyl‐5‐bicyclo [2.2.2]octen‐2‐one (16), have been identified in the root oil of Angelica archangelica L. Starting from (−)‐(R)‐α‐phellandrene (1) (R)‐5, (4R, 6S)‐6/(4R, 6R)‐7, (2S, 4R)‐9 and (1R, 4R, 7R)‐16 as well as (2S, 4R)‐11, (2R, 4R)‐12 and (2R, 4R)‐10 have been prepared.