55076-90-9

Usage

Uses

Used in Polymer Production:
2,4-DIBROMOPHENYL ISOCYANATE is used as a key component in the synthesis of various polymers, contributing to the development of plastics, adhesives, and coatings. Its reactivity allows for the creation of durable and versatile materials with a wide range of applications.
Used in Organic Synthesis:
As a reagent in organic synthesis, 2,4-DIBROMOPHENYL ISOCYANATE is employed for its capacity to form stable covalent bonds, facilitating the production of a variety of organic compounds and contributing to advancements in the chemical industry.
Used in Environmental and Health Regulations:
Due to its potential environmental and health hazards, 2,4-DIBROMOPHENYL ISOCYANATE is used as a subject of regulatory measures in many countries. Its toxic effects on aquatic organisms and its irritant and sensitizing properties to humans necessitate careful handling and controlled use to minimize risks.

InChI:InChI=1/C7H3Br2NO/c8-5-1-2-7(10-4-11)6(9)3-5/h1-3H

Upstream product

• 32315-10-9 bis(trichloromethyl) carbonate 
• 615-57-6 2,4-dibromo-aniline 
• 75-44-5 phosgene 

Downstream Products

• 708275-58-5 JNJ10397049 
• 1360571-39-6 (4R,5R,6S)-3-(2,4-dibromophenyl-)-4-hydroxy-6-isobutyl-1,3-diazabicyclo[3.1.0]hexan-2-one 
• 122020-50-2 1-Benzyl-3-(2,4-dibromo-phenyl)-1-phenyl-urea 

Relevant academic research and scientific papers

N-substituted 2-isonicotinoylhydrazinecarboxamides-new antimycobacterial active molecules

This report presents a new modification of the isoniazid (INH) structure linked with different anilines via a carbonyl group obtained by two synthetic procedures and with N-substituted 5-(pyridine-4-yl)-1,3,4-oxadiazole-2-amines prepared by their cyclisation. All synthesised derivatives were characterised by IR, NMR, MS and elemental analyses and were evaluated in vitro for their antimycobacterial activity against Mycobacterium tuberculosis H37Rv, Mycobacterium avium 330/88, Mycobacterium kansasii 235/80 and one clinical isolated strain of M. kansasii 6509/96. 2-Isonicotinoyl-N-(4- octylphenyl)hydrazinecarboxamide displayed an in vitro efficacy comparable to that of INH for M. tuberculosis with minimum inhibitory concentrations (MICs) of 1-2 μM. Among the halogenated derivatives, the best anti-tuberculosis activity was found for 2-isonicotinoyl-N-(2,4,6-trichlorophenyl) hydrazinecarboxamide (MIC = 4 μM). In silico modelling on the enoyl-acyl carrier protein reductase InhA confirmed that longer alkyl substituents are advantageous for the interactions and affinity to InhA. Most of the hydrazinecarboxamides, especially those derived from 4-alkylanilines, exhibited significant activity against INH-resistant nontuberculous mycobacteria. gfjh+l;kfldf.

Structural optimization of a CXCR2-directed antagonist that indirectly inhibits γ-secretase and reduces Aβ

Amyloid β (Aβ), a key molecule in the pathogenesis of Alzheimer's disease (AD), is derived from the amyloid precursor protein (APP) by sequential proteolysis via β- and γ-secretases. Because of their role in generation of Aβ, these enzymes have emerged as important therapeutic targets for AD. In the case of γ-secretase, progress has been made towards designing potent inhibitors with suitable pharmacological profiles. Direct γ-secretase inhibitors are being evaluated in clinical trials and new strategies are being explored to block γ-secretase activity indirectly as well. In this regard, we have previously reported an indirect regulation of γ-secretase through antagonism of CXCR2, a G-protein coupled receptor (GPCR). We demonstrated that N-(2-hydroxy-4-nitrophenyl)-N′-(2-bromophenyl)urea (SB225002), a selective inhibitor of CXCR2 also plays a role in an indirect inhibition of γ-secretase. Furthermore, we reported a ～5-fold difference in the selective inhibition of APP versus Notch processing via γ-secretase following treatment with SB225002. Herein we describe the synthesis and optimization of SB225002. By determination of the structure-activity relationship (SAR), we derived small molecules that inhibit Aβ40 production with IC50 values in the sub-micromolar range in a cell-based assay and also validated the potential of CXCR2 as a new target for therapeutic intervention in AD.

A new class of inhibitors of secretory phospholipase A2: enolized 1,3-dioxane-4,6-dione-5-carboxamides

Enolized 1,3-dioxane-4,6-dione-5-carboxamides a were identified as a new class of inhibitors of secretory phospholipase A2 from human polymorphonuclear leucocytes (h-PMN PLA2).Among the more than 30 compounds synthesized, the most potent inhibitors (IC50 0.6-10 μM) were found in the series of 2,4-disubstituted phenyl analogues of a.Compound 1a was selected for evaluation of its biological profile.This substance potently inhibited secretory PLA2s from several sources other than human PMNs, with a clear preference for group II over group I PLA2, whereas humancytosolic PLA2 and phospholipase C were not significantly affected.Inhibition of h-PMN PLA2 was calcium-dependent.In intact mammalian cells stimulated in vitro, the release of arachidonic acid and the generation of prostaglandins and leukotrienes were inhibited at concentrations compatible with inhibition of PLA2 as an underlying mechanism.In animal models in vivo (carragheenan oedema, adjuvant arthritis, pertussis pleurisy) 1a showed antiinflammatory activity, although the effect was rather weak compared with standard reference compounds. secretory human PMN phospholipase A2 / enolized 1,3-dioxane-4,6-dione-5-carboxamide inhibitors / cellular eicosanoid synthesis / in vivo antiinflammatory activity / molecular modelling / structure-activity relationship