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Struktur von Coleon F
Author(s) -
Rüedi Peter,
Eugster Conrad Hans
Publication year - 1973
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.19730560336
Subject(s) - chemistry , coleus , stereochemistry , diol , medicinal chemistry , botany , organic chemistry , biology
Abstract Coleon F is a new, very labile p ‐methylenequinone, C 20 H 20 O 4 , which has been isolated from the glands on the leaves of Coleus barbatus (Benth.) Agnew, C. Kilimandschari (Gürcke) Agnew and a C. species P.R.O. Bally No. 10 431. It has been shown to be 18 (or 19) (4 → 3), 16 (or 17) (15 → 16 (or 17))‐ diabeo ‐abieta‐3,5,7,9,13,16‐hexaen‐11,14‐diol‐2,12‐dione ( 2 ).