1,2,3,4-Tetrahydronorharman-1-one
1,2,3,4-Tetrahydronorharman-1-one is a natural product from Evodia rutaecarpa.
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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.
Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com
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 Asian Nat Prod Res. 2017 May;19(5):504-509.
Ingenine E, a new cytotoxic β-carboline alkaloid from the Indonesian sponge Acanthostrongylophora ingens.[Pubmed:
27588456 ]
A new β-carboline alkaloid ingenine E (4), along with three known metabolites annomontine (1), acanthomine A (2), and 1,2,3,4-Tetrahydronorharman-1-one (3) were isolated from the Indonesian marine sponge Acanthostrongylophora ingens.
METHODS AND RESULTS:
Their structure characterization was unequivocally carried out using one- and two-dimensional NMR spectroscopy, as well as high-resolution mass spectrometry. The cytotoxic activity of the isolated compounds was evaluated toward MCF7, A549, HCT116, PC12, and Hela cancer cell lines. Ingenine E (4) exhibited cytotoxic activity against MCF7, HCT116, and A549 cell lines with IC50 values of 3.5, 0.67, and 2.15 μg/ml.
J Nat Prod. 2003 Jun;66(6):823-8.
New manzamine alkaloids with activity against infectious and tropical parasitic diseases from an Indonesian sponge.[Pubmed:
12828469]
Eleven manzamine type alkaloids, two beta-carbolines, and five nucleosides have been isolated from an Indonesian sponge. Among these are the previously characterized 12,34-oxamanzamine A, 12,34-oxamanzamine E, manzamine A (1), 8-hydroxymanzamine A, 6-deoxymanzamine X, manzamine E (2), manzamine X, manzamine F (4), norharman, thymine, 2',3'-didehydro-2',3'-dideoxyuridine, uracil, thymidine, and 2'-deoxyuridine.
METHODS AND RESULTS:
The structures for the five new compounds have been assigned as 32,33-dihydro-31-hydroxymanzamine A (3), 32,33-dihydro-6-hydroxymanzamine A-35-one (5), des-N-methylxestomanzamine A (6), 32,33-dihydro-6,31-dihydroxymanzamine A (7), and 1,2,3,4-Tetrahydronorharman-1-one (8), on the basis of NMR and X-ray data.
The bioactivity and SAR of the manzamines against malaria, TB, and leishmania are also presented. The structural revision of two previously reported pyrazoles as uracil and thymine is also discussed.
