Darlingine
Reference standards.
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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).
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
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The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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J Nat Prod. 2000 May;63(5):688-9.
10-Hydroxydarlingine, a new tropane alkaloid from the Australian proteaceous plant triunia erythrocarpa.[Pubmed:
10843590]
METHODS AND RESULTS:
Triunia erythrocarpa was identified as containing alkaloids during chemical screening of Queensland Proteaceae using Dragendorff's reagent. A new tropane, 10-hydroxyDarlingine (1), and the known tropane, Darlingine (2), were isolated from the leaves of T. erythrocarpa.
CONCLUSIONS:
The absolute stereochemistry of 10-hydroxyDarlingine (1) was assigned using the advanced Mosher method. T. erythrocarpa is only the seventh member of the Proteaceae to have been shown to produce alkaloids.
Phytochemistry,1999,52(3):529–531.
Tropane alkaloids from Darlingia darlingiana[Reference:
WebLink]
METHODS AND RESULTS:
A new γ-pyranotropane, Darlingine N-oxide, was isolated from the bark and leaves of Darlingia darlingiana, along with the known compound, Darlingine. 1D-NOESY NMR experiments indicated that the N-methyl groups of both alkaloids were orientated towards the pyran ring.
Australian Journal of Chemistry , 1979 , 32 (8) :1827-1840
Alkaloids of Bellendena montana[Reference:
WebLink]
Fourteen alkaloids have been isolated from Bellendena montana, a monotypic proteaceous plant endemic in Tasmania.
METHODS AND RESULTS:
The structures of ten of these, bellendine (1), isobellendine (2), Darlingine (3),5,11-dihydroisobellendine (5), 2,3-dihydrobellendine (6), 2,3-epidihydrobellendine (7), 2,3-dihydroDarlingine(8), 3α-acetoxy-6β-isobutoxytropane (9), 6β-acetoxy-3α-isobutoxytropane (10) and 3α-acetoxy-6β-hydroxytropane (11), have been established.
