13-Acetoxy-3beta-hydroxygermacra-1(10)E,4E,7(11)-trien-12,6alpha-olide | CAS:126829-66-1

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Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

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Germacranolides from Artemisia myriantha and their conformation.[Pubmed: 11853748]

METHODS AND RESULTS:
The CH(2)Cl(2) extract of the aerial parts of Artemisia myriantha afforded three germacranolides derived from 13-Acetoxy-3beta-hydroxygermacra-1(10)E,4E,7(11)-trien-12,6alpha-olide, whose structures were elucidated by 2D-NMR spectroscopic analyses. Some conclusions are drawn about the possible conformations of the ten-membered germacranolide ring system from the exchange peaks seen in the NOESY spectra, and an estimate is made of the energy barrier to ring-flipping from variable-temperature NOESY experiments.
CONCLUSIONS:
The conclusions reached were supported by molecular modeling studies and an NMR spectroscopic investigation of the commercially available germacranolide, parthenolide.

Product Name	13-Acetoxy-3beta-hydroxygermacra-1(10)E,4E,7(11)-trien-12,6alpha-olide
CAS No.:	126829-66-1
Catalog No.:	CFN89013
Molecular Formula:	C₁₇H₂₂O₅
Molecular Weight:	306.35 g/mol
Purity:	>=98%
Type of Compound:	Sesquiterpenoids
Physical Desc.:	Powder
Source:	The aerial parts of Artemisia myriantha.
Solvent:	Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
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