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Title: Composition of a new chemotype of Tanacetum nubigenum
Authors: Chanotiya, C S
Sammal, S S
Mathela, C S
Keywords: Tanacetum nubigenum
(E)- & (Z)-2-(2,4-hexadiynylidene)-1,6-dioxaspiro[4,4]non-3-ene, 2-hydroxy-4,6-dimethoxyacetophenone.
Issue Date: Sep-2005
Publisher: CSIR
IPC Code Int.Cl.7 A 61 K 31/00
Abstract: (3R,6R)-Tetrahydro-6-ethenyl-2,2,6-trimethyl-4H-pyran-3-acetate [3R,6R)-linalool oxide acetate] 1 (69.37%) along with 2-hydroxy-4,6-dimethoxyacetophenone 2, (E)- and  (Z)-2-(2,4-hexadiynylidene)-1,6-dioxaspiro[4,4]non-3-ene 3 and 4, ß-eudesmol 5 and selin-11-en-4-ol 6 have been isolated from Tanacetum nubigenum Wall of Kumaon region of North Western Himalaya at an altitude of 3600-4300 m.  (3R,6R)-linalool oxide acetate 1 has not been reported in Tanacetum species or from any other natural source. Presence of compounds 1-6 and absence of previously reported chrysanthenol and related esters makes it a new chemotype within the genus Tanacetum.
Page(s): 1922-1926
ISSN: 0975-0983(Online); 0376-4699(Print)
Source:IJC-B Vol.44B(09) [September 2005]

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