Category: 540-37-4

Reactions catalyzed within inorganic and organic materials and at electrochemical interfaces commonly occur at high coverage and in condensed media, causing turnover rates to depend strongly on interfacial structure and composition, 540-37-4, Name is 4-Iodoaniline, SMILES is NC1=CC=C(I)C=C1, in an article , author is Hasegawa, Masatoshi, once mentioned of 540-37-4, SDS of cas: 540-37-4.

Polyimides Containing Benzoxazole Units and Their Liquid-Crystalline Behavior

Herein, we report the liquid-crystalline behavior of polyimides (PIs) containing benzoxazole (BO) units and their model compounds, and provide fundamental information in relation to their potential as heat-releasing materials. A series of BO-containing tetracarboxylic dianhydrides were synthesized using two bis(o-aminophenol)s as starting materials, namely, 3,3-dihydroxy-4,4-diaminobiphenyl (p-HAB) and 4,6-diaminoresorcinol (DAR). When a p-HAB-type BO-containing tetracarboxylic dianhydride with ester linkages was combined with a siloxanediamine (amine equivalent: 430 g/mol), the resulting PI barely exhibited optical anisotropy with an unclear and undeveloped texture with the assistance of continuous shear stimulus. On the other hand, the combination of DAR-type BO-containing tetracarboxylic dianhydride with ester linkages and the siloxanediamine led to the formation of an optically anisotropic texture with particle-like domains in the heating process over a wide temperature range, although continuous shear stimulus in the molten state was still required for this system. The thermal diffusivity of BO-containing PI films quenched from their liquid-crystalline states is also reported.

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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem

Synthetic Route of 540-37-4, Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. 540-37-4, Name is 4-Iodoaniline, SMILES is NC1=CC=C(I)C=C1, belongs to benzoxazole compound. In a article, author is Osmaniye, Derya, introduce new discover of the category.

Synthesis of some new benzoxazole derivatives and investigation of their anticancer activities

Phortress is an anticancer prodrug, which has active metabolite (5F-203) being potent agonist of the aryl hydrocarbon receptor (AhR). The 5F-203 switches on cytochrome P450 CYP1A1 gene expression and thus exhibits anticancer activity. In this study, it is aimed to obtain new phortress analogues by bioisosteric replacement of benzothiazole core in the structure to benzoxazole ring system. Synthesis of compounds (3a-3p) were performed according to literature methods. Their structures were elucidated by IR, H-1 NMR, C-13 NMR, 2D-NMR and HRMS spectroscopic methods. Cytotoxicity (MTT), inhibition of DNA synthesis and flow cytometric analysis assays were applied to determine anticancer activity of the compounds on colon (HT-29), breast (MCF7), lung (A549), liver (HepG2) and brain (C6) carcinoma cell types. When compared reference agent doxorubicin, compounds 3m and 3n displayed very attractive anticancer effect against carcinogenic cell lines. Due to structural similarity to phortress, biotransformation studies for 3m and 3n were examined by LCMS-IT-TOF system and probable metabolites of these compounds were determined. Induction potential of these compounds on CYP1A1/2 enzymes was also investigated to clarify possible mechanism of action. Interaction modes between CYP1A1 enzyme and compound 3n or its some metabolites were investigated by docking studies. In conclusion, findings of these study indicate that compounds 3m and 3n possess significant anticancer activity, probably with the same mechanism of action to Phortress. (C) 2020 Elsevier Masson SAS. All rights reserved.

Synthetic Route of 540-37-4, One of the oldest and most widely used commercial enzyme inhibitors is aspirin, which selectively inhibits one of the enzymes involved in the synthesis of molecules that trigger inflammation. you can also check out more blogs about 540-37-4.

Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem