Day: October 26, 2021

I found the field of Chemistry very interesting. Saw the article Magnesium-catalyzed hydroboration of organic carbonates, carbon dioxide and esters published in 2020. Formula: C8H6O2, Reprint Addresses Xue, F; Ma, MT (corresponding author), Nanjing Forestry Univ, Coll Sci, Nanjing 210037, Peoples R China.; Yao, WW (corresponding author), Nanjing Univ Chinese Med, Coll Pharm, Nanjing 210023, Peoples R China.. The CAS is 87-41-2. Through research, I have a further understanding and discovery of Isobenzofuran-1(3H)-one

A low-valent magnesium(i) complex [((Xyl)Nacnac)Mg](2) was employed as a highly efficient precatalyst for the hydroboration of a variety of cyclic and linear organic carbonates, polycarbonates, CO2 and esters with HBpin under mild conditions. The resultant boronates can be used for the preparation of the corresponding value-added diols, triols or alcohols through hydrolysis.

About Isobenzofuran-1(3H)-one, If you have any questions, you can contact Cao, X; Wang, WF; Lu, K; Yao, WW; Xue, F; Ma, MT or concate me.. Formula: C8H6O2

Reference:
Benzofuran – Wikipedia,
,Benzofuran | C8H6O – PubChem

Quality Control of Isobenzofuran-1(3H)-one. Recently I am researching about AEROBIC OXIDATION; HYDROGEN-PEROXIDE; ALPHA-OXYGENATION; TERTIARY-AMINES; FERRIC NITRATE; METAL-FREE; C=C BONDS; ETHERS; PHOTOREDOX; ALDEHYDES, Saw an article supported by the National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [21572027, 21801029]; 100 Talent Plan from Chongqing University [0247001104405]; Natural Science Foundation of ChongqingNatural Science Foundation of Chongqing [cstc2019jcyj-msxmX0048]. Published in ROYAL SOC CHEMISTRY in CAMBRIDGE ,Authors: Geng, SS; Xiong, BJ; Zhang, Y; Zhang, J; He, Y; Feng, Z. The CAS is 87-41-2. Through research, I have a further understanding and discovery of Isobenzofuran-1(3H)-one

A ligand-free iron-catalyzed method for the oxygenation of benzylic sp(3) C-H bonds by molecular oxygen (1 atm) using a thiyl radical as a cocatalyst has been developed. This transformation provides a facile access to amides, esters and ketones from readily accessible corresponding amines, ethers and alkanes. It features high regioselectivity, mild oxidative conditions and excellent functional group compatibility, providing good opportunities to the site-selective functionalization of complex molecules. Preliminary mechanistic studies suggest that this reaction may not undergo a benzylic cation intermediate pathway and the carbonyl oxygen atom in the products may be derived from molecular oxygen.

Quality Control of Isobenzofuran-1(3H)-one. About Isobenzofuran-1(3H)-one, If you have any questions, you can contact Geng, SS; Xiong, BJ; Zhang, Y; Zhang, J; He, Y; Feng, Z or concate me.

Reference:
Benzofuran – Wikipedia,
,Benzofuran | C8H6O – PubChem

An article New phthalide derivatives from the Biscogniauxia sp. and their activities WOS:000484878400059 published article about SECONDARY METABOLITES; FUNGUS; SPIROBISNAPHTHALENES; PATHOGEN; SKELETON; LEAVES in [Liu, Yan-Ying; Xie, Jun; Zou, Jian; Hu, Dan; Chen, Guo-Dong; Yao, Xin-Sheng; Gao, Hao] Jinan Univ, Coll Pharm, Inst Tradit Chinese Med & Nat Prod, Guangdong Prov Key Lab Pharmacodynam Constituents, Guangzhou 510632, Guangdong, Peoples R China; [Zhao, Huan] Jinan Univ, Coll Tradit Chinese Med, Guangzhou 510632, Guangdong, Peoples R China; [Guo, Liang-Dong] Chinese Acad Sci, Inst Microbiol, State Key Lab Mycol, Beijing 100190, Peoples R China in 2019, Cited 23. Category: benzofurans. The Name is Isobenzofuran-1(3H)-one. Through research, I have a further understanding and discovery of 87-41-2

Five new phthalide derivatives, biscogniphthalides A-D (1, 2, 3a/3b, and 4), were isolated from Biscogniauxia sp. (No. 69-8-7-1), along with one related known phthalide (5). Their structures were determined by comprehensive spectroscopic analyses, chemical derivatization, and quantum chemical ECD calculations. In addition, the anti-acetyl cholinesterase, antimicrobial, and anti-a-glucosidase activities of 1-5 were evaluated.

About Isobenzofuran-1(3H)-one, If you have any questions, you can contact Liu, YY; Zhao, H; Xie, J; Zou, J; Hu, D; Guo, LD; Chen, GD; Yao, XS; Gao, H or concate me.. Category: benzofurans

Reference:
Benzofuran – Wikipedia,
,Benzofuran | C8H6O – PubChem

Liu, ZK; Wang, QQ; Wang, H; Su, WT; Dong, SL in [Liu, Zhengkun; Wang, Qianqian; Wang, Hao; Su, Wenting; Dong, Shouliang] Lanzhou Univ, Sch Life Sci, Inst Biochem & Mol Biol, 222 Tianshui South Rd, Lanzhou 730000, Gansu, Peoples R China; [Dong, Shouliang] Lanzhou Univ, Key Lab Preclin Study New Drugs Gansu Prov, 222 Tianshui South Rd, Lanzhou 730000, Gansu, Peoples R China published A chloroacetate based ratiometric fluorescent probe for cysteine detection in biosystems in 2019, Cited 47. Safety of Isobenzofuran-1(3H)-one. The Name is Isobenzofuran-1(3H)-one. Through research, I have a further understanding and discovery of 87-41-2.

The specific detection of cysteine (Cys) over homocysteine (Hcy), glutathione (GSH) and other amino acids is of great significance for studying its biological functions as well as for the diagnosis of related diseases. Chloroacetyl group was often used as a reaction site for cysteine fluorescent probes for its sensitivity and selectivity. However, high background fluorescence and low stability are common problems encountered by such probes. Here, four chloroacetyl group based fluorescent probes (C1, C2, C3, and H4) was synthesized for a comparative study. We found that the inefficient quenching ability of chloroacetyl group turned into an advantage when connected with a ratiometric fluorophore. With the modification of chloroacetyl group, probe H4 displayed excellent ratiometric property and great selectivity for Cys, the stability was also improved. Additionally, the probe was successfully applied for quantitative detection of Cys in fetal bovine serum and real-time imaging in living HeLa cells with low toxicity. (C) 2019 Elsevier Ltd. All rights reserved.

Safety of Isobenzofuran-1(3H)-one. About Isobenzofuran-1(3H)-one, If you have any questions, you can contact Liu, ZK; Wang, QQ; Wang, H; Su, WT; Dong, SL or concate me.

Reference:
Benzofuran – Wikipedia,
,Benzofuran | C8H6O – PubChem

Recommanded Product: 87-41-2. Das, UK; Janes, T; Kumar, A; Milstein, D in [Das, Uttam Kumar; Janes, Trevor; Kumar, Amit; Milstein, David] Weizmann Inst Sci, Dept Organ Chem, IL-76100 Rehovot, Israel; [Kumar, Amit] Univ St Andrews, Sch Chem, St Andrews KY16 9ST, Fife, Scotland published Manganese catalyzed selective hydrogenation of cyclic imides to diols and amines in 2020, Cited 43. The Name is Isobenzofuran-1(3H)-one. Through research, I have a further understanding and discovery of 87-41-2.

Herein we report the selective hydrogenation of cyclic imides to diols and amines, homogeneously catalyzed for the first time by a complex of an earth-abundant metal, a manganese pincer complex. A plausible catalytic cycle is proposed based on informative mechanistic experiments.

Recommanded Product: 87-41-2. About Isobenzofuran-1(3H)-one, If you have any questions, you can contact Das, UK; Janes, T; Kumar, A; Milstein, D or concate me.

Reference:
Benzofuran – Wikipedia,
,Benzofuran | C8H6O – PubChem

An article Quinine-derived thiourea promoted enantioselective Michael addition reactions of 3-substituted phthalides to maleimides WOS:000467500500016 published article about ASYMMETRIC CONJUGATE ADDITION; CARBOXYLIC-ACIDS; FACILE ACCESS; QUATERNARY; DIHYDRONAPHTHOQUINONES; BENZOFURAN-2(3H)-ONES; BENZOFURAN-2-ONES; STEREOCENTERS; DERIVATIVES; CYCLIZATION in [Wang, Jie; Li, Xin; Cheng, Jin-Pei] Nankai Univ, State Key Lab Elementoorgan Chem, Collaborat Innovat Ctr Chem Sci & Engn, Coll Chem, Tianjin 300071, Peoples R China in 2019, Cited 44. Product Details of 87-41-2. The Name is Isobenzofuran-1(3H)-one. Through research, I have a further understanding and discovery of 87-41-2

A highly diastereoselective and enantioselective Michael addition/desymmetrization reaction of maleimides with prochiral 3- substituted phthalides catalyzed by quinine-derived bifunctional thiourea was realized. A broad range of the 3,3-disubstituted phthalides bearing vicinal quaternary-tertiary stereogenic centers were synthesized in moderate to good yields (up to 96%) with high diastereoselectivities (up to >19:1 dr) and enantioselectivities (up to 96:4 er).

Product Details of 87-41-2. About Isobenzofuran-1(3H)-one, If you have any questions, you can contact Wang, J; Li, X; Cheng, JP or concate me.

Reference:
Benzofuran – Wikipedia,
,Benzofuran | C8H6O – PubChem

An article The role of melanin in the grapevine trunk disease pathogen Lasiodiplodia gilanensis WOS:000607189100011 published article about LATENT PATHOGENS; FUNGAL MELANINS; BIOSYNTHESIS; BOTRYOSPHAERIACEAE; TRICYCLAZOLE; IDENTIFICATION; PENETRATION; GROWTH; MELANIZATION; APPRESSORIA in [Airam Rangel-Montoya, Edelweiss; Hernandez-Martinez, Rufina] Ctr Invest Cient & Educ Super Ensenada CICESE, Dept Microbiol, Ensenada 22860, Baja California, Mexico; [Paolinelli, Marcos] Inst Nacl Tecnol Agr INTA, Estn Expt Agr Mendoza, San Martin 3853, RA-5534 Mendoza, Argentina; [Paolinelli, Marcos] Consejo Nacl Invest Cient & Tecn, Buenos Aires, DF, Argentina; [Rolshausen, Philippe] Univ Calif Riverside, Dept Bot & Plant Sci, Riverside, CA 92521 USA in 2020, Cited 69. The Name is Isobenzofuran-1(3H)-one. Through research, I have a further understanding and discovery of 87-41-2. Recommanded Product: Isobenzofuran-1(3H)-one

Lasiodiplodia (Botryosphaeriaceae) includes fungi that are considered among the most aggressive to grapevine, capable of causing cankers and necrotic lesions which eventually lead to death of host plants. A common characteristic of this genus is the presence of melanin in conidia and mycelium. Melanin is produced by the oxidation of phenolic and/or indolic compounds. For some fungi, this pigment is an essential factor for pathogenicity. This study characterized the types and the roles of melanin produced by Lasiodiplodia gilanensis. Using specific melanin inhibitors, L. gilanensis was shown to synthesize DOPA-melanin, DHN-melanin, and pyomelanin. DOPA-melanin was shown to be involved in production of aerial mycelium and protection against enzymatic lysis and oxidative stress; DHN-melanin to be involved in ramification of mycelium when exposed to nutrient deficiency; and pyomelanin to be related with hyphae development. The fungus used tyrosine as a precursor of DOPA-melanin and as carbon and nitrogen sources, and produced melanin inside the piths of infected plants. Genes involved in melanin synthesis were conserved among the Botryosphaeriaceae, highlighting the importance of melanin in this family.

Recommanded Product: Isobenzofuran-1(3H)-one. About Isobenzofuran-1(3H)-one, If you have any questions, you can contact Rangel-Montoya, EA; Paolinelli, M; Rolshausen, P; Hernandez-Martinez, R or concate me.

Reference:
Benzofuran – Wikipedia,
,Benzofuran | C8H6O – PubChem

Recommanded Product: Isobenzofuran-1(3H)-one. Authors Wang, CQ; Liu, G; Dou, GJ; Yang, Y; Chen, L; Ma, H; Jiang, ZY; Ma, HY; Li, CL; Li, L; Jiang, MD; Lu, QW; Li, P; Qi, HY in ELSEVIER GMBH published article about in [Wang, Chengqiang; Liu, Gen; Dou, Guojun; Yang, Yi; Chen, Lu; Ma, Hui; Jiang, Zhuyun; Ma, Haoyue; Li, Li; Qi, Hongyi] Southwest Univ, Coll Pharmaceut Sci, 2 Tiansheng Rd, Chongqing 400715, Peoples R China; [Wang, Chengqiang; Liu, Gen; Dou, Guojun; Yang, Yi; Chen, Lu; Ma, Hui; Jiang, Zhuyun; Ma, Haoyue; Li, Li; Qi, Hongyi] Southwest Univ, Coll Chinese Med, 2 Tiansheng Rd, Chongqing 400715, Peoples R China; [Li, Chenglong] Sichuan Prov Peoples Hosp, Dept Hematol, Chengdu 610212, Sichuan, Peoples R China; [Jiang, Mingdong; Lu, Qianwei; Li, Pan] Chongqing Ninth Peoples Hosp, Dept Oncol & Hematol, Jialing Village 69, Chongqing 400700, Peoples R China in 2021, Cited 24. The Name is Isobenzofuran-1(3H)-one. Through research, I have a further understanding and discovery of 87-41-2

Background: Acute myeloid leukemia (AML) is a devastating hematologic malignancy with a high mortality. The nuclear receptors Nur77 and NOR-1 are commonly downregulated in human AML blasts and have emerged as key therapeutic targets for AML. Methods: This study aimed to identify Z-ligustilide (Z-LIG), the main phthalide of Rhizoma Chuanxiong, as a potential agent that can selectively target AML. The anti-AML activity of Z-LIG was evaluated in vitro and in vivo, and the effect and underlying mechanisms of Z-LIG on the restoration of Nur77 and NOR-1 was determined. Moreover, the role of Nur77 and NOR-1 in the regulation of Z-LIG-induced apoptosis and differentiation of AML cells was explored. Results: Z-LIG preferentially inhibited the viability of human AML cells, as well as suppressed the proliferation and colony formation ability. Notably, a concentration-dependent dual effect of Z-LIG was observed in AML cells: inducing apoptosis at relatively high concentrations (25 mu M to 100 mu M) and promoting differentiation at relatively low concentrations (10 mu M and 25 mu M). Importantly, Z-LIG restored Nur77 and NOR-1 expression in AML cells by increasing Ace-H3 (lys9/14) enrichment in their promoters. Meanwhile, Z-LIG enhanced the recruitment of p300 and reduced the recruitment of HDAC1, HDAC4/5/7, and MTA1 in the Nur77 promoter and enhanced the recruitment of p-CREB and reduced HDAC1 and HDAC3 in the NOR-1 promoter. Furthermore, Z-LIG-induced apoptosis was shown to be correlated with the mitochondria localization of Nur77/NOR-1 and subsequent Bcl-2 conformational change, converting Bcl-2 from a cyto-protective phenotype into a cyto-destructive phenotype. ZLIG-promoted differentiation was found to be related to Nur77/NOR-1-mediated myeloid differentiation-associated transcription factors Jun B, c-Jun, and C/EBP beta. Finally, silencing of Nur77 and NOR-1 attenuated anti-AML activity of Z-LIG in NOD/SCID mice. Conclusions: Our study suggests that Z-LIG may serve as a novel bifunctional agent for AML by restoring Nur77/NOR-1-mediated apoptosis and differentiation

Recommanded Product: Isobenzofuran-1(3H)-one. About Isobenzofuran-1(3H)-one, If you have any questions, you can contact Wang, CQ; Liu, G; Dou, GJ; Yang, Y; Chen, L; Ma, H; Jiang, ZY; Ma, HY; Li, CL; Li, L; Jiang, MD; Lu, QW; Li, P; Qi, HY or concate me.

Reference:
Benzofuran – Wikipedia,
,Benzofuran | C8H6O – PubChem

An article Association of electroanalytical and spectrophotometric methods to evaluate the antioxidant activity of isobenzofuranone in primary cultures of hippocampal neurons WOS:000566428200014 published article about PEROXIDE-INDUCED DAMAGE; OXIDATIVE STRESS; 3-SUBSTITUTED ISOCOUMARINS; CELLS; CHEMISTRY in [Teixeira, Aniely dos Reis; Ribeiro, Iara Mariana Lellis; Oliveira, Laser Antonio Machado; Nogueira, Katiane de Oliveira Pinto Coelho] Univ Fed Ouro Preto, Dept Biol Sci, Neurobiol & Biomat Lab, Ouro Preto, MG, Brazil; [Teixeira, Robson Ricardo; Pereira, Wagner Luiz] Univ Fed Vicosa, Dept Chem, Vicosa, MG, Brazil; [Manhabosco, Taise Matte; de Brito, Ana Carolina Ferreira] Univ Fed Ouro Preto, Dept Phys, REDEMAT, Ouro Preto, MG, Brazil in 2020, Cited 52. The Name is Isobenzofuran-1(3H)-one. Through research, I have a further understanding and discovery of 87-41-2. Recommanded Product: Isobenzofuran-1(3H)-one

The isobenzofuran-1(3H)-ones (phthalides) exhibit various biological activities, including antioxidant activity on reactive oxygen species (ROS). An excess of ROS that cannot be naturally contained by cellular enzymatic systems is called redox imbalance, which damage cell membranes, proteins, and DNA, thereby possibly triggering neuronal death in several neurodegenerative diseases. Considering our ongoing efforts to find useful compounds to control redox imbalance, herein we evaluated the antioxidant activity of two phtalides (compounds 3 and 4), using primary cultures of hippocampal neurons. Spectrophotometric assays showed that compound 3 significantly reduced (p <= 0.05) ROS levels and lipid peroxidation compared to the control treatment, while compound 4 was unable at any of the tested concentrations. Despite their structural similarity, these compounds behave differently in the intracellular environment, which was reliably corroborated by the determination of oxidation potentials via cyclic voltammetry. It was demonstrated that compound 3 presents a lower oxidation potential. The combination of the mentioned methods allowed us to find a strong correlation between the chemical structure of compounds and their biological effects. Taking together, the results indicate that compound 3 presents desirable characteristics to act as a candidate pharmacological agent for use in the prevention and treatment of neurodegenerative diseases. Recommanded Product: Isobenzofuran-1(3H)-one. About Isobenzofuran-1(3H)-one, If you have any questions, you can contact Teixeira, AD; Teixeira, RR; Ribeiro, IML; Pereira, WL; Manhabosco, TM; de Brito, ACF; Oliveira, LAM; Nogueira, KDPC or concate me.

Reference:
Benzofuran – Wikipedia,
,Benzofuran | C8H6O – PubChem

An article Tunable pH-sensitive 2-carboxybenzyl phosphoramidate cleavable linkers WOS:000521512800017 published article about GENERAL-ACID CATALYSIS; NUCLEOPHILIC-ATTACK; HYDROLYSIS; CONJUGATE; RESONANCE; DESIGN; FIELD; OXIDE in [Backer, Brian S.; Choy, Cindy J.; Davis, Austen L.; Browne, Zachery S.; Berkman, Clifford E.] Washington State Univ, Dept Chem, Pullman, WA 99164 USA in 2020, Cited 28. Quality Control of Isobenzofuran-1(3H)-one. The Name is Isobenzofuran-1(3H)-one. Through research, I have a further understanding and discovery of 87-41-2

We previously described a pH-sensitive phosphoramidate linker scaffold that can be tuned to release amine-containing drugs at various pH values. In these previous studies it was determined that the tunability of this linker was dependent upon the proximity of an acidic group (e.g., carboxylic acid or pyridinium). In this study, we confirmed that the tunability of pH-triggered amine-release was also dependent upon the pK(a) of the proximal acidic group. A series of 2-carboxybenzyl phosphoramidates was prepared in which the pK(a) of the proximal benzoic acid was predictably attenuated by substituents on the benzoate ring consistent with their sigma-values. (C) 2020 Elsevier Ltd. All rights reserved.

Quality Control of Isobenzofuran-1(3H)-one. About Isobenzofuran-1(3H)-one, If you have any questions, you can contact Backer, BS; Choy, CJ; Davis, AL; Browne, ZS; Berkman, CE or concate me.

Reference:
Benzofuran – Wikipedia,
,Benzofuran | C8H6O – PubChem