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Neo-clerodane diterpenoids from Teucrium pyrenaicum |
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| Authors: | María C García-Alvarez José L Marco Benjamín Rodríguez Giuseppe Savona Franco Piozzi |
| Institution: | 1. Istituto di Chimica Organica dell''Università di Palermo, Archirafi 20, 90123 Palermo, Italy |
| Abstract: | From the aerial part of Teucrium pyrenaicum three new neo-clerodane diterpenoids have been isolated. Their structures, 3β-acetoxy-4α,18:12S,2OS: 15,16:19, 2OS-tetraepoxy-neo-cleroda-13(16),14-dien-6-one (teupyrenone), 3β,6α,19-triacetoxy- 4α,18:15,16-diepoxy-neo-cleroda-13(16),14-dien-20,12S-olide (teupyreinin), and 3β, 6α,19,2OS-tetra-acetoxy-4α,18:12S,2OS: 15,16-triepoxy-neo-cleroda-13(16), 14-diene (teupyreinidin), were established mainly by spectroscopic means. |
| Keywords: | Labiatae diterpenoids new neo-clerodane derivatives teupyrenone teupyreinin teupyreinidin |
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