8-Sep-2021 News Why Are Children Getting Addicted To 214894-89-0

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Caffeic acid and its naturally occurring derivative caffeic acid phenethyl ester (CAPE) have antiproliferative and cytotoxic properties in a variety of cancer cell lines without displaying significant toxicity toward healthy cells, and are considered to be potential anticancer agents. However, little is known about their effects on prostate cancer cells. We synthesized and evaluated the effects of caffeic acid, CAPE (2) and 18 synthetic derivatives on cell viability and androgen-dependent cell proliferation, subcellular localisation and expression of androgen receptor (AR) and secretion of prostate-specific antigen (PSA) in LNCaP human hormone-dependent prostate cancer cells. Several synthetic derivatives of CAPE were strong, concentration-dependent cytotoxic agents in LNCaP cells with IC50 values in the 6.8-26.6 muM range, potencies that were up to five-fold greater than that of CAPE (33.7 ± 4.0 muM). A number of caffeic acid derivatives were inhibitors of androgen-stimulated LNCaP cell proliferation with concomitant inhibition of DHT-stimulated PSA secretion. Compound 24 was the most cytotoxic and antiproliferative caffeic acid derivative (IC50 values of 6.8 ± 0.3 and 2.4 ± 0.8 muM, respectively) inhibiting DHT-stimulated cell proliferation and PSA secretion statistically significantly at concentrations as low as 0.3 muM. Exposure to DHT increased cytoplasmic and nuclear AR levels and co-treatment with increasing concentrations of compound 24 or CAPE (2), notably, further increased these levels. In conclusion, a number of synthetic derivatives of caffeic acid are potent inhibitors of androgen-dependent prostate cancer cell proliferation and viability, acting, at least in part, via an antiandrogenic mechanism that involves increased nuclear accumulation of (presumably inactive) AR.

Synthetic Route of 214894-89-0, Because a catalyst decreases the height of the energy barrier, its presence increases the reaction rates of both the forward and the reverse reactions by the same amount.Read on for other articles about Synthetic Route of 214894-89-0!

Reference:
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem

08/9/2021 News Properties and Exciting Facts About 214894-89-0

Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data. Recommanded Product: 214894-89-0, If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 214894-89-0, in my other articles.

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A wider investigation into the synthesis of secondary amides from primary alcohols using a hydrogen acceptor using commercially available [Ru(p-cymene)Cl2]2 with bis(diphenylphosphino)butane (dppb) as the catalyst. The report looks at over 50 examples with varying functionality and steric bulk, whilst also covering the first reported results using microwave heating to effect the transformation.

Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data. Recommanded Product: 214894-89-0, If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 214894-89-0, in my other articles.

Reference:
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem

08/9/2021 News Interesting scientific research on 22013-33-8

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Chemo-enzymatic cascade processes are invaluable due to their ability to rapidly construct high-value products from available feedstock chemicals in a one-pot relay manner. In a patent, 22013-33-8, name is 2,3-Dihydrobenzo[b][1,4]dioxin-6-amine, introducing its new discovery. Reference of 22013-33-8

A novel series of potent and selective non-peptide neuropeptide Y (NPY) Y1 receptor antagonists, having benzazepine nuclei, have been designed, synthesized, and evaluated for activity. Chemical modification of the R1 and R3 substituents in structure 1 (Chart 1) yields several compounds that show high affinity for the Y1 receptor (K(i) values of less than 10 nM). SAR studies revealed that introduction of an isopropylurea group at R1 and a 3- (benzo-condensed-urea) group, 3-(fluorophenylurea) group, or a 3-(N-(4- hydroxyphenyl)guanidine) group at R3 in structure 1 afforded potent and subtype-selective NPY Y1 receptor antagonists. 3-(3-(Benzothiazol-6- yl)ureido)-1-N-(3-(N’-(3-isopropylureido))benzyl)-2,3,4,5-tetrahydro-1H-1- benzazepin-2-one (21), which was one of the most potent derivatives, competitively inhibited specific [125I]peptide YY (PYY) binding to Y1 receptors in human neuroblastoma SK-N-MC cells (K(i) = 5.1 nM). 21 not only inhibited the Y1 receptor-mediated increase in cytosolic free Ca2+ concentration in SK-N-MC cells but also antagonized the Y1 receptor-mediated inhibitory effect of peptide YY on gastrin-induced histamine release in rat enterochromaffin-like cells. 21 showed no significant affinity in 17 receptor binding assays including Y2, Y4, and Y5 receptors.

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Reference:
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem

08/9/2021 News Interesting scientific research on 2879-20-1

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The treatment of aryl acyloin (alpha-hydroxyketone) O-alkyl and O-phenyl derivatives with 2-3 equiv of Zn and 1-2 equiv of NH4Cl in ethanol, refluxing for 20-120 min, gave the corresponding ketones with excellent yields. Further, alpha,beta-epoxy ketones can be efficiently transformed to beta-hydroxy ketones, and 2,2-dialkoxy-1-phenyl ketone also can be dealkoxylated to 1-phenyl ketone. Copyright Taylor & Francis Group, LLC.

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Reference:
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem

08/9/2021 News Downstream Synthetic Route Of 10288-72-9

Therefore, this conceptually novel strategy might open impressive avenues to establish green and sustainable chemistry platforms.In my other articles, you can also check out more blogs about 10288-72-9Formula: C8H8O3.

Formula: C8H8O3, While the job of a research scientist varies, most chemistry careers in research are based in laboratories, where research is conducted by teams following scientific methods and standards. In a document type is Patent, and a compound is mentioned, 10288-72-9, Name is 6-Hydroxy-1,4-benzodioxane, introducing its new discovery.

The invention relates to MKK4 (mitogen-activated protein kinase 4) and their use in promoting liver regeneration or reducing or preventing hepatocyte death. The MKK4 inhibitors selectively inhibit protein kinase MKK4 over protein kinases JNK and MKK7.

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Reference:
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem