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2-(3-Bromophenoxy)tetrahydro-2H-pyran, also known as brompheniramine, is a chemical compound with the molecular formula C16H19BrO2. It is an antihistamine and a mild sedative used to alleviate symptoms associated with allergies, hay fever, and the common cold. Brompheniramine functions by inhibiting the effects of histamine, a substance in the body that triggers allergic reactions. It is stable under normal conditions and is generally well-tolerated, although it may lead to drowsiness or dizziness in some individuals.

57999-49-2

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57999-49-2 Usage

Uses

Used in Pharmaceutical Industry:
2-(3-Bromophenoxy)tetrahydro-2H-pyran is used as an antihistamine for treating allergic symptoms, such as itching, hives, and runny nose, by blocking the action of histamine. It is also used as a mild sedative to provide relief from sleep disturbances caused by allergies or the common cold.
Used in Over-the-Counter Medications:
2-(3-Bromophenoxy)tetrahydro-2H-pyran is used as an active ingredient in various over-the-counter medications, such as cold and allergy remedies, due to its effectiveness in relieving symptoms and its generally well-tolerated nature. It is often combined with other ingredients, such as decongestants or pain relievers, to provide comprehensive relief for cold and allergy sufferers.
Used in Allergy Management:
2-(3-Bromophenoxy)tetrahydro-2H-pyran is used as a component in allergy management strategies, helping individuals with seasonal allergies or other types of hypersensitivity reactions to better cope with their symptoms. By reducing the histamine-induced inflammation and other allergic responses, it contributes to improved quality of life for those affected by allergies.
Used in Research and Development:
2-(3-Bromophenoxy)tetrahydro-2H-pyran is utilized in research and development for the study of histamine's role in allergic reactions and the development of new antihistamine medications. Its properties and effects on histamine pathways provide valuable insights for scientists working in the field of allergy and immunology.

Check Digit Verification of cas no

The CAS Registry Mumber 57999-49-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,9,9 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 57999-49:
(7*5)+(6*7)+(5*9)+(4*9)+(3*9)+(2*4)+(1*9)=202
202 % 10 = 2
So 57999-49-2 is a valid CAS Registry Number.
InChI:InChI=1/C11H13BrO2/c12-9-4-3-5-10(8-9)14-11-6-1-2-7-13-11/h3-5,8,11H,1-2,6-7H2

57999-49-2SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-(3-Bromophenoxy)tetrahydro-2H-pyran

1.2 Other means of identification

Product number -
Other names 2-(3-bromophenoxy)oxane

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:57999-49-2 SDS

57999-49-2Relevant academic research and scientific papers

Synthesis and evaluation of (E)-2-(5-phenylpent-2-en-4-ynamido)cyclohex-1-ene-1-carboxylate derivatives as HCA2 receptor agonists

Bobileva, Olga,Ikaunieks, Martins,Duburs, Gunars,Mandrika, Ilona,Petrovska, Ramona,Klovins, Janis,Loza, Einars

, p. 4314 - 4329 (2017/07/22)

Novel series of compounds consisting of 2-amidocyclohex-1-ene carboxylate and phenyl parts which are connected by enyne (compounds 2a–f), but-1-yne (compounds 4a–j), and phenylethylene (compounds 5a–f) linkers as HCA2 full agonists were designed and their

1-Benzyl-4-phenyl-1H-1,2,3-triazoles improve the transcriptional functions of estrogen-related receptor γ and promote the browning of white adipose

Xu, Shilin,Mao, Liufeng,Ding, Ping,Zhuang, Xiaoxi,Zhou, Yang,Yu, Lei,Liu, Yingxue,Nie, Tao,Xu, Tingting,Xu, Yong,Liu, Jinsong,Smaill, Jeff,Ren, Xiaomei,Wu, Donghai,Ding, Ke

, p. 3751 - 3760 (2015/07/27)

The estrogen-related receptor γ (ERRγ) is a potential molecular target for the development of small molecules to stimulate the adipose browning process, which may represent a novel attractive strategy to treat obesity related disorders. The receptor possesses a very small ligand binding cavity and therefore identification of small molecule ERRγ modulators is a considerable challenge. We have successfully designed and synthesized a series of 1-benzyl-4-phenyl-1H-1,2,3-triazoles and demonstrated that they improve the transcriptional functions of ERRγ, potently elevating both the mRNA levels and the protein levels of ERRγ downstream targets. One of the most promising compounds, 4-(1-(4-iso-propylbenzyl)-1H-1,2,3-triazol-4-yl)benzene-1,2-diol (2e) was further shown to directly bind with the ERRγ ligand binding domain (ERRγ-LBD) in an isothermal calorimetric (ITC) assay and to thermally stabilize ERRγ-LBD protein by increasing its melting temperature (Tm) as demonstrated by circular dichroism (CD) spectroscopy. Furthermore, 2e potently stimulates the adipocyte browning process and induces mitochondrial biogenesis both in vitro and in vivo, suggesting the considerable therapeutic potential of this compound for the treatment of obesity and related disorders.

Tetrahydropyranylation of alcohols in the presence of a slightly basic, heterogeneous titanium catalyst

Magyar, ágnes,Nagy, Balázs,Hell, Zoltán

, p. 1876 - 1879 (2019/11/28)

4 ? molecular sieve modified with titanium (IV) is an efficient heterogeneous catalyst for the tetrahydropyranylation of alcohols under mild, slightly basic reaction conditions. The catalyst can be reused with good yield after a simple treatment with dichloromethane.

Traceless solid-phase synthesis of trifluoromethylarenes

Doebele, Marion,Wiehn, Matthias S.,Braese, Stefan

supporting information; experimental part, p. 11533 - 11535 (2012/01/11)

Save the best for last: In the first method for the trifluoromethylation of immobilized arenes, the aryl halides are attached through a dithioester linkage to the Merrifield resin and then functionalized by means of numerous reactions including transition

Synthesis and characterization of achiral bent-core liquid crystalline molecules containing salicylaldimine-based with a wide temperature range of SmCP phase

Liao, Chien-Tung,Liu, Jung-Yo,Zou, Sing-Fang,Wu, Nien-Chieh,Wu, Zheng-Long,Lee, Jiunn-Yih

scheme or table, p. 124 - 133 (2011/04/15)

The design and synthesis of a series bent-core materials base on a 3,4'-biphenyldiol central core containing salicylaldimine-based and two terminal tetradecyloxy tails are reported. In addition, the effects of lateral substituents (R = F and Cl) at the biphenyl core into 3'-position are examined. These substituents have a strong influence in reducing the clearing temperatures and increasing temperature range of SmCP phase. Upon cooling process the isotropic liquid, compound SB-Cl exhibits the lowest clearing transition temperature of 180 oC and the widest SmCP phase range of 129 °C. The mesophase behaviour were investigated by polarizing optical microscopy (POM), differential scanning calorimetry (DSC), X-ray diffraction (XRD), and electro-optical (EO) measurements in the mesophase temperature range.

Hydroxy derivatives of tamoxifen

Foster,Jarman,Leung,McCague,Leclercq,Devleeschouwer

, p. 1491 - 1497 (2007/10/02)

In the exploration of the structural features that affect the RBA (binding affinity for the estrogen receptor of rat uterus relative to that of estradiol) in the tamoxifen [trans-(Z)-1-[4-(dimethylamino)ethoxy]-1,2-diphenyl-1-butene] series, several derivatives variously substituted in the 1-phenyl group have been synthesized. In the tamoxifen series, the descriptors E and Z, which define the configuration of the geometrical isomers and depend on the location and nature of substituents in the aromatic moieties and the ethyl group, may vary, although the relative configuration (cis or trans) does not. In order to avoid confusion the terms cis and trans will be used in this paper to refer to the relative positions of the 4-[2-(dimethylamino)ethoxy]phenyl and ethyl (or hydroxyethyl, hydroxypropyl, or bromo) substituents attached to the ethene moiety]. The final stage of each synthesis involved acid-catalyzed dehydration of a tertiary alcohol, and, in contrast to the known 3- and 4-hydroxy derivatives which were obtained as near-equimolar cis,trans mixtures, only the trans forms of the 2-hydroxy, 2-methyl, 2,4-dihydroxy, and 4-hydroxy-2-methyl derivatives were obtained. Also, in contrast to the trans forms of the 3- and 4-hydroxy derivatives, which are readily equilibrated to cis,trans mixtures, the trans 2-hydroxy derivative could not be isomerized. Tamoxifen and 2-methyltamoxifen had similar RBA's (~1% of that of E2), but that of 2-hydroxytamoxifen was much lower (0.1%). Introduction of a second hydroxyl group (2,4-dihydroxy derivative) enhanced the RBA, and for the 4-hydroxy-2-methyl derivative, the RBA and growth inhibitory activity against the MCF-7 mammary tumor cell line in vitro were high and comparable to those of 4-hydroxytamoxifen, a metabolite of the parent drug. Tamoxifen derivatives hydroxylated at positions 3 or 4 of the 1-butene moiety and the 5-hydroxy-1-pentene analogue were also synthesized, but they had very low RBA values.

3-Keto-19-nor-Δ4,9-steroids

-

, (2008/06/13)

Novel 3-keto-19-nor-Δ4,9-steroids of the formula STR1

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