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Cylindramide
Cylindramide
ChemFaces products have been cited in many studies from excellent and top scientific journals
Product Name Cylindramide
Price:
CAS No.: 147362-39-8
Catalog No.: CFN00112
Molecular Formula: C27H34N2O5
Molecular Weight: 466.57 g/mol
Purity: >=98%
Type of Compound: Alkaloids
Physical Desc.: Powder
Source: From Halichondria cylindrata.
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Download: COA    MSDS    SDF    Manual
Similar structural: Comparison (Web)  (SDF)
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Size /Price /Stock 10 mM * 1 mL in DMSO / Inquiry
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Biological Activity
Description: Cylindramide is cytotoxic against B16 melanoma cells with an IC50 of 0.8 ug/m, it shows promising antiproliferative activity against several tumour cell lines. (+)-Cylindramide has anti-microbial properties.
Targets: Antifection
In vitro:
Tetrahedron Lett., 1993, 34(6):1065-8.
Cylindramide: Cytotoxic tetramic acid lactam from the marine sponge Halichondria cylindrata Tanita & Hoshino[Reference: WebLink]

METHODS AND RESULTS:
A cytotoxic tetramic acid lactam named Cylindramide (1) has been isolated from the marine sponge Halichondria cylindrata. The structure was determined by interpretation of 2D NMR spectra as a macrocyclic lactam including an acyltetramic acid and a trisubstituted bicyclo[3. 3. 0]octene.
CONCLUSIONS:
This lactam was cytotoxic against B16 melanoma cells with an IC50 of 0.8 μg/mL.
Cylindramide Description
Source: From Halichondria cylindrata.
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Storage: 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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After receiving: 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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Recently, ChemFaces products have been cited in many studies from excellent and top scientific journals

Cell. 2018 Jan 11;172(1-2):249-261.e12.
doi: 10.1016/j.cell.2017.12.019.
IF=36.216(2019)

PMID: 29328914

Cell Metab. 2020 Mar 3;31(3):534-548.e5.
doi: 10.1016/j.cmet.2020.01.002.
IF=22.415(2019)

PMID: 32004475

Mol Cell. 2017 Nov 16;68(4):673-685.e6.
doi: 10.1016/j.molcel.2017.10.022.
IF=14.548(2019)

PMID: 29149595

ACS Nano. 2018 Apr 24;12(4): 3385-3396.
doi: 10.1021/acsnano.7b08969.
IF=13.903(2019)

PMID: 29553709

Nature Plants. 2016 Dec 22;3: 16206.
doi: 10.1038/nplants.2016.205.
IF=13.297(2019)

PMID: 28005066

Sci Adv. 2018 Oct 24;4(10): eaat6994.
doi: 10.1126/sciadv.aat6994.
IF=12.804(2019)

PMID: 30417089
Calculate Dilution Ratios(Only for Reference)
1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.1433 mL 10.7165 mL 21.433 mL 42.866 mL 53.5825 mL
5 mM 0.4287 mL 2.1433 mL 4.2866 mL 8.5732 mL 10.7165 mL
10 mM 0.2143 mL 1.0717 mL 2.1433 mL 4.2866 mL 5.3583 mL
50 mM 0.0429 mL 0.2143 mL 0.4287 mL 0.8573 mL 1.0717 mL
100 mM 0.0214 mL 0.1072 mL 0.2143 mL 0.4287 mL 0.5358 mL
* Note: If you are in the process of experiment, it's need to make the dilution ratios of the samples. The dilution data of the sheet for your reference. Normally, it's can get a better solubility within lower of Concentrations.
Protocol
Structure Identification:
Chembiochem. 2008 Oct 13;9(15):2474-86.
Synthesis and biological properties of cylindramide derivatives: evidence for calcium-dependent cytotoxicity of tetramic acid lactams.[Pubmed: 18798209]

METHODS AND RESULTS:
To gain insight into the biological properties of tetramic acid lactam Cylindramide 1, the analogues 4 a-d bearing a cyclopentane ring instead of the pentalene unit were prepared by tandem conjugate addition/enolate trapping of cyclopentenone 10; a Sonogashira or Stille coupling, followed by a Julia-Kocienski olefination, macrolactamisation and Lacey-Dieckmann cyclisation were the key steps. The previous NMR structure of Cylindramide 1, which was based on NOE and J coupling restraints, could be refined by including residual dipolar coupling data measured for a sample of Cylindramide that was aligned in polyacrylonitrile (18 %). Biological screening of Cylindramide 1 and its analogues 2-epi-1, 20 and 4 revealed promising antiproliferative activity against several tumour cell lines. It turned out that the activity is strongly correlated to the functionalised pentalene system.
CONCLUSIONS:
The configuration of the cyclopentane ring and an intact tetramic acid lactam with the correct configuration seem to play an equal role in the cytotoxicity. The antiproliferative activity was found to be calcium dependent. Phenotypic characterisation of the mode of action showed vacuolisation and vesicle formation in the endoplasmic reticulum.
Chemistry. 2006 Mar 8;12(9):2488-503.
Total synthesis and NMR investigations of cylindramide.[Pubmed: 16389623]

METHODS AND RESULTS:
Cylindramide (1) was built up from three components: a hydroxyornithine derivative 7, a tetrazolylsulfone 8, and a substituted pentalene subunit 9. Derivative 7 was prepared in a six-step reaction sequence involving the Wittig reaction and a Sharpless asymmetric dihydroxylation starting from N-Boc-3-aminopropanal (12).
CONCLUSIONS:
As indicated by extensive 1H and 13C NMR spectroscopic investigations (DQF-COSY, ROESY spectra), the stereochemistry of synthetic Cylindramide (1) corresponds with that of the naturally occurring product. ROE data were used for molecular modeling of the lowest-energy structures for Cylindramide.
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