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A Benzofuranoid and Two Clerodane Diterpenoids from Pulicaria wightiana
Author(s) -
Venkateswarlu Katta,
Satyalakshmi Gandham,
Suneel Kanaparthy,
Reddy Thummala Sreenivasulu,
Raju Tuniki Venugopal,
Das Biswanath
Publication year - 2008
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.200890222
Subject(s) - chemistry , stereochemistry , terpene , diterpene
Methyl 5‐formyl‐1‐benzofuran‐6‐carboxylate ( 1 ) and the two clerodane diterpenes, methyl 6‐oxocleroda‐3,13‐dien‐15,16‐olid‐18‐oate ( 2 ) and 2 β ‐(2‐methylbutanoyl)cleroda‐3,13‐dien‐15,16‐olid‐18‐oic acid ( 3 ), together with 15 known compounds, were isolated from the aerial parts of Pulicaria wightiana. The structures of the new compounds 1, 2 , and 3 were established by spectroscopic (mainly 1D‐ and 2D‐NMR) methods.