Tag: M.W=100-150

An article Antioxidant and Cytotoxic Activities of Myrtaceae Essential Oils Rich in Terpenoids From Brazil WOS:000621046100001 published article about DIVERSITY; EUGENOL; GROWTH; LEAVES; PLANTS; WILD in [Jeronimo, Lucas Botelho] Univ Estado Para, Campus Barcarena, Barcarena, Brazil; [da Costa, Jamile S.] Univ Fed Para, Programa Posgrad Ciencias Farmaceut, Belem, Para, Brazil; [Pinto, Laine C.] Univ Fed Para, Hosp Univ Joao de Banos Barreto, Lab Neuropatol Expt, Belem, Para, Brazil; [Montenegro, Raquel C.] Univ Fed Ceara, Lab Farmacogenet, Fortaleza, Ceara, Brazil; [Setzer, William N.] Univ Alabama Huntsville, Dept Chem, Huntsville, AL 35899 USA; [Setzer, William N.; da Silva, Joyce Kelly R.] Aromat Plant Res Ctr, Lehi, UT USA; [Veras Mourao, Rosa Helena] Univ Fed Oeste Para, Lab Bioprospeccao & Biol Expt, Santarem, Brazil; [da Silva, Joyce Kelly R.] Univ Fed Para, Programa Posgrad Biotectiol, Belem, Para, Brazil; [Maia, Jose Guilherme S.] Univ Fed Maranhao, Programa Posgrad Quim, Sao Luis, Maranhao, Brazil; [Figueiredo, Pablo Luis B.] Univ Estado Para, Ctr Ciencias Sociais & Educ, Dept Ciencias Nat, Belem, Para, Brazil in 2021, Cited 43. Application In Synthesis of 1,3-Dimethoxybenzene. The Name is 1,3-Dimethoxybenzene. Through research, I have a further understanding and discovery of 151-10-0

This work analyzed the chemical compositions and evaluated the antioxidant and cytotoxic activities of essential oils (EO) of Eugenia patrisii (Epat), Eugenia stipitata (Esti), Myrcia splendens (Mspl), Myrcia sylvatica (Msyl), Psidium guajava (Pgua), and Psidium guineense (Pgui-1 and Pgui-2) from the Brazilian Amazon. Sesquiterpenoids were found in high concentrations in the oils of E. patrisii and M. splendens, which were rich in E-caryophyllene (32.0% and 45.8%); E. stipitata and M. sylvatica, which displayed germacrene D (11.8%) and germacrene B (24.5%); and P. guajava that showed epi-beta-bisabolol (16.1%) as the main compound. However, P. guineense samples (Pgui-1 and Pgui-2) were rich in monoterpenoids such as limonene (Pgui-1: 30.2%; Pgui-2 30.4%) and alpha-pinene (Pgui-1: 22.5%; Pgui-2: 17.7%). The samples showed a weak and moderate antioxidant activities in the DPPH assay, displaying inhibition rates from 11.5% to 38.6% (at 10 mg/mL). All samples were cytotoxic against human cancer cells by the MTT method. Epat oil showed higher activity against melanoma (SKMEL-19, IC(50)5.8 mu g/mL), gastric (AGP01, IC(50)3.2 mu g/mL), and colon (HCT116, IC(50)6.7 mu g/mL). Meanwhile, the samples Pgua and Pgui were more active against breast cancer cells (MCF7, IC(50)12.4 mu g/mL and 11.6 mu g/mL, respectively).

Application In Synthesis of 1,3-Dimethoxybenzene. About 1,3-Dimethoxybenzene, If you have any questions, you can contact Jeronimo, LB; da Costa, JS; Pinto, LC; Montenegro, RC; Setzer, WN; Mourao, RHV; da Silva, JKR; Maia, JGS; Figueiredo, PLB or concate me.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

An article A solid-supported arylboronic acid catalyst for direct amidation WOS:000462657900004 published article about AMIDE BOND FORMATION; CARBOXYLIC-ACIDS; ORGANIC-SYNTHESIS; FLOW; AMINES; CONVENIENT; REAGENTS; POLYMER in [Du, Yihao; Barber, Thomas; Lim, Sot Ee; Baxendale, Ian R.; Whiting, Andrew] Univ Durham, Sci Labs, Ctr Sustainable Chem Proc, Dept Chem, South Rd, Durham DH1 3QZ, England; [Rzepa, Henry S.] Imperial Coll, Dept Chem, South Kensington Campus, London SW7 2AZ, England in 2019, Cited 40. The Name is 3-Methylbenzoic acid. Through research, I have a further understanding and discovery of 99-04-7. Formula: C8H8O2

An efficient heterogeneous amidation catalyst has been prepared by co-polymerisation of styrene, DVB with 4-styreneboronic acid, which shows wide substrate applicability and higher reactivity than the equivalent homogeneous phenylboronic acid, suggesting potential cooperative catalytic effects. The catalyst can be easily recovered and reused; suitable for use in packed bed flow reactors.

About 3-Methylbenzoic acid, If you have any questions, you can contact Du, YH; Barber, T; Lim, SE; Rzepa, HS; Baxendale, IR; Whiting, A or concate me.. Formula: C8H8O2

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

I found the field of Chemistry very interesting. Saw the article Synthesis and Photochromism of Novel Pyridyl-Substituted Naphthopyrans published in 2020. Safety of 1,3-Dimethoxybenzene, Reprint Addresses de Azevedo, ODCC; Heron, BM (corresponding author), Univ Huddersfield, Sch Appl Sci, Dept Chem Sci, Huddersfield HD1 3DH, W Yorkshire, England.. The CAS is 151-10-0. Through research, I have a further understanding and discovery of 1,3-Dimethoxybenzene

Multitarget synthetic strategies to access novel photochromic 3H-naphtho[2,1-b]pyrans decorated with pyridyl units are described. The new pyridyl-substituted 3H-naphtho[2,1-b]pyrans display good photochromic properties with reversible generation of photomerocyanines, which exhibit mainly orange/red hues. Photochromic parameters including photocolorability and persistence of color vary tremendously on structural modification of the naphthopyran core.

About 1,3-Dimethoxybenzene, If you have any questions, you can contact de Azevedo, ODCC; Elliott, PIP; Gabbutt, CD; Heron, BM; Lord, KJ; Pullen, C or concate me.. Safety of 1,3-Dimethoxybenzene

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

Safety of 3-Methylbenzoic acid. Authors Zhou, JY; Liu, RQ; Wang, CY; Zhu, YM in AMER CHEMICAL SOC published article about in [Zhou, Jing-Ya; Liu, Rui-Qing; Wang, Cheng-Yi; Zhu, Yong-Ming] Soochow Univ, Coll Pharmaceut Sci, Suzhou 215123, Peoples R China in 2020, Cited 40. The Name is 3-Methylbenzoic acid. Through research, I have a further understanding and discovery of 99-04-7

Transition metal-catalyzed cross-couplings have been widely employed in the synthesis of many important molecules in synthetic chemistry for the construction of diverse C-C bonds. Conventional cross-coupling reactions require active electrophilic coupling partners, such as organohalides or sulfonates, which are not environmentally friendly enough. Herein, we disclose the first nickel-catalyzed Suzuki-Miyaura cross-coupling of aryl anhydrides and arylboronic acids for the synthesis of biaryls in a decarbonylation manner. The reaction tolerates a wide range of electron-withdrawing, electron-neutral, and electron-donating substituents in this process.

About 3-Methylbenzoic acid, If you have any questions, you can contact Zhou, JY; Liu, RQ; Wang, CY; Zhu, YM or concate me.. Safety of 3-Methylbenzoic acid

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

Authors Song, ZL; Bai, FF; Zhang, BX; Fang, JG in AMER CHEMICAL SOC published article about CUL3-BASED E3 LIGASE; OXIDATIVE STRESS; THERAPEUTIC TARGET; PC12 CELLS; NEURODEGENERATIVE DISEASES; MITOCHONDRIAL DYSFUNCTION; KEAP1-NRF2-ARE PATHWAY; BIOLOGICAL EVALUATION; HYDROGEN-PEROXIDE; CANCER PREVENTION in [Song, Zi-Long; Bai, Feifei; Zhang, Baoxin; Fang, Jianguo] Lanzhou Univ, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China; [Song, Zi-Long; Bai, Feifei; Zhang, Baoxin; Fang, Jianguo] Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China in 2020, Cited 70. Category: isothiazole. The Name is 3-Methylbenzoic acid. Through research, I have a further understanding and discovery of 99-04-7

Oxidative stress is implicated in the pathogenesis of a wide variety of neurodegenerative disorders, and accordingly, dietary supplement of exogenous antioxidants or/and upregulation of the endogenous antioxidant defense system are promising for therapeutic intervention or chemoprevention of neurodegenerative diseases. Nrf2, a master regulator of the cellular antioxidant machinery, cardinally participates in the transcription of cytoprotective genes against oxidative/electrophilic stresses. Herein, we report the synthesis of 59 structurally diverse dithiolethiones and evaluation of their neuroprotection against 6-hydroxydopamine- or H2O2 -induced oxidative damages in PC12 cells, a neuron-like rat pheochromocytoma cell line. Initial screening identified compounds 10 and 11 having low cytotoxicity but conferring remarkable protection on PC12 cells from oxidative-mediated damages. Further studies demonstrated that both compounds upregulated a battery of antioxidant genes as well as corresponding genes’ products. Significantly, silence of Nrf2 expression abolishes cytoprotection of 10 and 11, indicating targeting Nrf2 activation is pivotal for their cellular functions. Taken together, the two lead compounds discovered here with potent neuroprotective functions against oxidative stress via Nrf2 activation merit further development as therapeutic or chemopreventive candidates for neurodegenerative disorders.

About 3-Methylbenzoic acid, If you have any questions, you can contact Song, ZL; Bai, FF; Zhang, BX; Fang, JG or concate me.. Category: isothiazole

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

Application In Synthesis of 1,3-Dimethoxybenzene. I found the field of Chemistry very interesting. Saw the article Organosodium compounds for catalytic cross-coupling published in 2019, Reprint Addresses Asako, S; Takai, K (corresponding author), Okayama Univ, Grad Sch Nat Sci & Technol, Div Appl Chem, Kita Ku, Okayama, Japan.. The CAS is 151-10-0. Through research, I have a further understanding and discovery of 1,3-Dimethoxybenzene.

Sodium is the most abundant alkali metal in the Earth’s crust and the ocean. However, organosodium compounds have long been considered inferior to organolithium compounds, which have instead dominated synthetic organic chemistry during the last century. Despite being largely neglected because of their reactive nature, it is worth re-exploring organosodium chemistry, in light of the growing demand for sustainable syntheses without recourse to less abundant elements such as lithium. Herein, we demonstrate that, contrary to common belief, organosodium compounds can be easily prepared from aryl chlorides or (hetero) arenes and easy-to-handle sodium dispersion and, after being transmetallated to the corresponding zinc and boron compounds, they readily participate in the Negishi and Suzuki-Miyaura cross-coupling reactions, fundamental carbon-carbon bond-forming reactions in organic synthesis. Direct coupling reactions with organosodium species were also possible.

Application In Synthesis of 1,3-Dimethoxybenzene. About 1,3-Dimethoxybenzene, If you have any questions, you can contact Asako, S; Nakajima, H; Takai, K or concate me.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

Product Details of 99-04-7. I found the field of Chemistry very interesting. Saw the article Synthesis of Aminated Phenanthridinones via Palladium/Norbornene Catalysis published in 2020, Reprint Addresses Lautens, M (corresponding author), Univ Toronto, Dept Chem, Davenport Res Labs, Toronto, ON M5S 3H6, Canada.. The CAS is 99-04-7. Through research, I have a further understanding and discovery of 3-Methylbenzoic acid.

An ortho-amination, ipso-C-H arylation mediated by palladium/norbornene cooperative catalysis is reported. This reaction proceeds through a sequential intermolecular C-N bond formation process followed by intramolecular C-H activation of a tethered arene. The products, aminated phenanthridinones, were generated in moderate to good yields. This method is also applicable to the formation of dibenzazepinones.

Product Details of 99-04-7. About 3-Methylbenzoic acid, If you have any questions, you can contact Abel-Snape, X; Whyte, A; Lautens, M or concate me.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

An article Friedel-Crafts reaction of electron-rich (het)arenes with nitroalkenes WOS:000467509600005 published article about HYDROGEN-BOND; INDOLE-DERIVATIVES; ALKYLATION; CATALYST; ACIDS; PYRROLES in [Feofanov, Mikhail N.; Averin, Alexei D.; Beletskaya, Irina P.] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119991, Russia in 2019, Cited 36. Quality Control of 1,3-Dimethoxybenzene. The Name is 1,3-Dimethoxybenzene. Through research, I have a further understanding and discovery of 151-10-0

The Friedel Crafts reaction between electron-rich (het)arenes and beta-nitrostyrenes under MgI2 or Ca(NTf2)(2) catalysis affords 1-(het)aryl-2-nitro-1-phenylethanes in yields up to 94%.

Quality Control of 1,3-Dimethoxybenzene. About 1,3-Dimethoxybenzene, If you have any questions, you can contact Feofanov, MN; Averin, AD; Beletskaya, IP or concate me.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

An article Synthesis of 3,3-Diarylazetidines by Calcium(II)-Catalyzed Friedel-Crafts Reaction of Azetidinols with Unexpected Cbz Enhanced Reactivity WOS:000455285800065 published article about SUBSTITUTION; ALKYLATION; PI; OPPORTUNITY; CHEMISTRY; DISCOVERY; ALCOHOLS; TERTIARY in [Denis, Camille; Dubois, Maryne A. J.; Bull, James A.] Imperial Coll London, Dept Chem, Mol Sci Res Hub, White City Campus,Wood Lane, London W12 0BZ, England; [Denis, Camille; Voisin-Chiret, Anne Sophie; Bureau, Ronan] Normandie Univ, FR CNRS INC3M, CERMN, UNICAEN,EA 4258, Caen, France; [Choi, Chulho; Mousseau, James J.] Pfizer Global Res & Dev, 445 Eastern Point Rd, Groton, CT 06340 USA in 2019, Cited 43. Computed Properties of C8H10O2. The Name is 1,3-Dimethoxybenzene. Through research, I have a further understanding and discovery of 151-10-0

Azetidines are valuable motifs that readily access under explored chemical space for drug discovery. 3,3-Diarylazetidines are prepared in high yield from N-Cbz azetidinols in a calcium(II)-catalyzed Friedel-Crafts alkylation of (hetero)aromatics and phenols, including complex phenols such as beta-estradiol. Electron poor phenols undergo O-alkylation. The product azetidines can be derivatized to drug-like compounds through the azetidine nitrogen and the aromatic groups. The N-Cbz group is crucial to reactivity by providing stabilization of an intermediate carbocation on the four-membered ring.

Computed Properties of C8H10O2. About 1,3-Dimethoxybenzene, If you have any questions, you can contact Denis, C; Dubois, MAJ; Voisin-Chiret, AS; Bureau, R; Choi, C; Mousseau, JJ; Bull, JA or concate me.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

I found the field of Chemistry very interesting. Saw the article Enantio- and Diastereoselective Synthesis of Functionalized Carbocycles by Cu-Catalyzed Borylative Cyclization of Alkynes with Ketones published in 2019. Product Details of 151-10-0, Reprint Addresses Meek, SJ (corresponding author), Univ N Carolina, Dept Chem, Chapel Hill, NC 27599 USA.. The CAS is 151-10-0. Through research, I have a further understanding and discovery of 1,3-Dimethoxybenzene

A single-pot Cu-catalyzed enantio- and diaster-eoselective tandem hydroboration/borylative cyclization of alkynes with ketones for the synthesis of carbocycles is reported. The reaction proceeds via desymmetrization and generates four contiguous stereocenters, including an all-carbon quaternary center. The method provides rapid access to [6,5]- and [5,5]-bicycles and cyclopentane products. Catalyst-controlled diastereoselectivity by selection of bisphosphine ligand is noted. Utility of the products is demonstrated by site- and chemoselective transformations that afford valuable alkenyl and allyl organoborons.

Product Details of 151-10-0. About 1,3-Dimethoxybenzene, If you have any questions, you can contact Zanghi, JM; Liu, S; Meek, SJ or concate me.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com