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Oligo‐ and macrocyclic diterpenes in thymelaeaceae and euphorbiaceae occurring and utilized in Yunnan (Southwest China). 2. Ingenane type diterpene esters from Euphorbia nematocypha Hand.‐Mazz

Da‐Gang Wu, B. Sorg, W. Adolf, E. H. Seip, E. Hecker

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Abstract

Abstract The highly irritant new Euphorbia factors N1 and N2 were isolated as a mixture from latex of E. nematocypha Hand.‐Mazz., by a combination of counter current distribution and chromatographic methods. Spectroscopic and chemical analyses revealed their structures to be 3‐0‐(2,4,6,8‐tetradecatetraenoyl)ingenol (1) and 3‐0‐(2,4,6,8‐pentadecatetraenoyl)ingenol (2), respectively.

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Abstract The highly irritant new Euphorbia factors N1 and N2 were isolated as a mixture from latex of E. nematocypha Hand.‐Mazz., by a combination of counter current distribution and chromatographic methods. Spectroscopic and chemical analyses revealed their structures to be 3‐0‐(2,4,6,8‐tetradecatetraenoyl)ingenol (1) and 3‐0‐(2,4,6,8‐pentadecatetraenoyl)ingenol (2), respectively.

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Available abstract

Abstract The highly irritant new Euphorbia factors N1 and N2 were isolated as a mixture from latex of E. nematocypha Hand.‐Mazz., by a combination of counter current distribution and chromatographic methods. Spectroscopic and chemical analyses revealed their structures to be 3‐0‐(2,4,6,8‐tetradecatetraenoyl)ingenol (1) and 3‐0‐(2,4,6,8‐pentadecatetraenoyl)ingenol (2), respectively.

Key concepts: Diterpene, Euphorbiaceae, Thymelaeaceae, Euphorbia, Pharmacognosy, Traditional medicine, Botany, Chemistry

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Oligo‐ and macrocyclic diterpenes in thymelaeaceae and euphorbiaceae occurring and utilized in Yunnan (Southwest China). 2. Ingenane type diterpene esters from Euphorbia nematocypha Hand.‐Mazz — Research Paper | ScholarLens