Bambuterol

CAS# 81732-65-2

Bambuterol

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Chemical structure

Bambuterol

3D structure

Chemical Properties of Bambuterol

Cas No. 81732-65-2 SDF Download SDF
PubChem ID 54766 Appearance Powder
Formula C18H29N3O5 M.Wt 367.44
Type of Compound N/A Storage Desiccate at -20°C
Solubility >17.3mg/mL in DMSO with gentle warming
Chemical Name [3-[2-(tert-butylamino)-1-hydroxyethyl]-5-(dimethylcarbamoyloxy)phenyl] N,N-dimethylcarbamate
SMILES CC(C)(C)NCC(C1=CC(=CC(=C1)OC(=O)N(C)C)OC(=O)N(C)C)O
Standard InChIKey ANZXOIAKUNOVQU-UHFFFAOYSA-N
Standard InChI InChI=1S/C18H29N3O5/c1-18(2,3)19-11-15(22)12-8-13(25-16(23)20(4)5)10-14(9-12)26-17(24)21(6)7/h8-10,15,19,22H,11H2,1-7H3
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Bambuterol Dilution Calculator

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Bambuterol Molarity Calculator

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Preparing Stock Solutions of Bambuterol

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.7215 mL 13.6077 mL 27.2153 mL 54.4307 mL 68.0383 mL
5 mM 0.5443 mL 2.7215 mL 5.4431 mL 10.8861 mL 13.6077 mL
10 mM 0.2722 mL 1.3608 mL 2.7215 mL 5.4431 mL 6.8038 mL
50 mM 0.0544 mL 0.2722 mL 0.5443 mL 1.0886 mL 1.3608 mL
100 mM 0.0272 mL 0.1361 mL 0.2722 mL 0.5443 mL 0.6804 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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References on Bambuterol

In vivo metabolism study of (R)-bambuterol in humans using ultra high performance liquid chromatography with tandem mass spectrometry.[Pubmed:27273913]

J Sep Sci. 2016 Aug;39(15):2896-906.

(R)-Bambuterol, a selective beta2-adrenoceptor agonist, has been approved as a new drug for the treatment of asthma and chronic obstructive pulmonary disease by the China Food and Drug Administration and is currently under phase I clinical trials. In this study, a combined method based on ultra high performance liquid chromatography with triple quadrupole mass spectrometry and ultra high performance liquid chromatography with quadrupole time-of-flight mass spectrometry was employed for the identification of the major metabolites of (R)-Bambuterol in human plasma and urine after an oral dose of 10 mg. The metabolites were separated by gradient elution program and different sample preparation methods were compared. Totally, 12 metabolites of (R)-Bambuterol were identified, including four metabolites in plasma and all 12 metabolites in urine. Among these, four metabolites are reported for the first time. The possible metabolic pathways of (R)-Bambuterol were subsequently proposed. The results indicated that (R)-Bambuterol was metabolized via hydrolysis, demethylation, oxygenation, glucuronidation, and sulfation pathways in vivo. This study revealed that this combined method was accurate and sensitive to identify the possible metabolites and to better understand the metabolism of (R)-Bambuterol in vivo.

Design, synthesis and biological evaluation of bambuterol analogues as novel inhibitors of butyrylcholinesterase.[Pubmed:27744187]

Eur J Med Chem. 2017 Jan 27;126:61-71.

An increase activity of butyrylcholinesterase is believed to contribute to Alzheimer's disease. Bambuterol is a known potent inhibitor of butyrylcholinesterase, but it has undesired cardiac effects and less lipophilicity. Thirteen Bambuterol analogues were synthesized using 1-(3, 5-dihydroxyphenyl) ethanone as a starting material. In-vitro cholinesterase assay established that the majority of the compounds are specific butyrylcholinesterase inhibitors. Out of the 13 compounds, two Bambuterol derivatives, BD-6 and BD-11 exhibited similar efficacies in inhibiting butyrylcholinesterase with fewer effects on heart and enhanced possibilities of permeating through the blood-brain barrier as compared to Bambuterol. These Bambuterol analogues may provide better alternatives for treatments of Alzheimer's disease.

Molecularly imprinted phloroglucinol-formaldehyde-melamine resin prepared in a deep eutectic solvent for selective recognition of clorprenaline and bambuterol in urine.[Pubmed:27998487]

Anal Chim Acta. 2017 Jan 25;951:68-77.

A new molecularly imprinted phloroglucinol-formaldehyde-melamine resin (MIPFMR) was synthesized in a deep eutectic solvent (DES) using phenylephrine as a dummy template. The MIPFMR was used as a solid phase extraction (SPE) sorbent for the selective isolation and recognition of clorprenaline (CLP) and Bambuterol (BAM) in urine. Phloroglucinol and melamine were used as double functional monomers that introduced abundant hydrophilic groups (such as hydroxyl groups, imino groups, and ether linkages) into the MIPFMR, making it compatible with aqueous solvents. In addition, the formation of DES by combining the quaternary ammonium salt of choline chloride with ethylene glycol as a hydrogen bond donor was an environmentally safe alternative to toxic organic solvents such as chloroform and dimethylsulfoxide that are typically used in the preparation of most molecularly imprinted polymers (MIPs). Moreover, MIPFMR-based SPE of CLP and BAM in urine resulted in higher recoveries and purer extracts than those obtained by using other SPE materials (e.g., SCX, C18, HLB, and non-imprinted phloroglucinol-formaldehyde-melamine resin (NIPFMR)). The optimized MIPFMR-SPE-HPLC-UV method had good linearity (r(2) >/= 0.9996) ranging from 15.0 to 3000.0 ng mL(-1) for CLP and BAM, and the recoveries at three spiked levels ranged from 91.7% to 100.1% with RSDs

Synthesis of stable isotope labeled D9 -Mabuterol, D9 -Bambuterol, and D9 -Cimbuterol.[Pubmed:27739098]

J Labelled Comp Radiopharm. 2016 Nov;59(13):546-551.

Three stable and simple synthetic routes of labeled D9 -Mabuterol, D9 -Bambuterol, and D9 -Cimbuterol were described with 98.5%, 99.7%, and 98.4% isotopic abundance and good purity. These structures and isotope-abundance were confirmed according to (1) H NMR and liquid chromatography-tandem mass spectrometry.

Description

Bambuterol ((±)-Bambuterol; KWD-2183) is a long acting beta-adrenoceptor agonist (LABA) used in the treatment of asthma; it also is a prodrug of terbutaline.

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