Category: phthalazine

An article Organocatalytic Asymmetric Domino Oxa-Michael-Mannich-[1,3]-Amino Rearrangement Reaction of N-Tosylsalicylimines to alpha,beta-Unsaturated Aldehydes by Diarylprolinol Silyl Ethers WOS:000526405900003 published article about CASCADE REACTIONS; MICHAEL REACTION; CONDENSATIONS; CONSTRUCTION in [Hu, Sha; Wang, Jiaqi; Huang, Guanxin; Zhu, Kejie; Chen, Fener] Fudan Univ, Dept Chem, Shanghai 200433, Peoples R China; [Chen, Fener] Zhejiang Univ Technol, Inst Pharmaceut Sci & Technol, 18 Chao Wang Rd, Hangzhou 310014, Peoples R China in 2020.0, Cited 48.0. The Name is 4-Nitrobenzoic acid. Through research, I have a further understanding and discovery of 62-23-7. Recommanded Product: 62-23-7

An organocatalytic asymmetric enantioselective domino oxa-Michael-Mannich-[1,3]-amino rearrangement reaction of N-tosylsalicylimines with a wide range of alpha,beta-unsaturated aldehydes utilizing diarylprolinol silyl ether catalysis is described. The catalytic reactions proceed with excellent enantioselectivity (up to 99% ee) to produce the corresponding chair N-tosylimines-chromenes with a yield of up to 99%, tolerating a range of functional groups. This methodology offers a new method with great potential to further extend the synthetic power and versatility of chiral aminocatalysis.

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Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

Meirelles, MA; Braga, CB; Ornelas, C; Pilli, RA in [Meirelles, Matheus A.; Braga, Carolyne B.; Ornelas, Catia; Pilli, Ronaldo A.] Univ Estadual Campinas, UNICAMP, Inst Chem, Dept Organ Chem, BR-13083970 Campinas, SP, Brazil published Synthesis of Nitrogen-Containing Goniothalamin Analogues with Higher Cytotoxic Activity and Selectivity against Cancer Cells in 2019.0, Cited 41.0. Application In Synthesis of 4-Nitrobenzoic acid. The Name is 4-Nitrobenzoic acid. Through research, I have a further understanding and discovery of 62-23-7.

Two series of racemic goniothalamin analogues displaying nitrogen-containing groups were designed and synthesized. A total of 19 novel analogues were evaluated against a panel of four different cancer cell lines, along with the normal prostate cell line PNT2 to determine their selectivity. Among them, goniothalamin chloroacrylamide 13 e displayed the lowest IC50 values for both MCF-7 (0.5 mu m) and PC3 (0.3 mu m) cells, about 26-fold more potent than goniothalamin (1). Besides its higher potency, compound 13 e also displayed much higher selectivity than goniothalamin. In contrast, goniothalamin isobutyramide 13 c was the most potent analogue against Caco-2 cells (IC50=0.8 mu m), about 10-fold more potent and 17-fold more selective than 1. These results reveal the potential of compounds 13 c and 13 e for further in vivo studies, representing the first goniothalamin analogues with IC50 values in the low micromolar range and high selectivity against MCF-7, Caco-2, and PC3 cancer cell lines.

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Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

Category: phthalazines. I found the field of Chemistry; Engineering very interesting. Saw the article Integrated continuous flow/batch protocol for the photoreduction of ortho-methyl phenyl ketones using water as the hydrogen source published in 2019, Reprint Addresses Pabbaraja, S; Singh, AK (corresponding author), Indian Inst Chem Technol, CSIR, Dept Organ Synth & Proc Chem, Hyderabad, India.. The CAS is 62-23-7. Through research, I have a further understanding and discovery of 4-Nitrobenzoic acid.

Direct utilization of the abundant hydrogen in water for the transfer hydrogenation reaction (THR) is a very attractive and challenging research area. Herein, we report the first integrated photo-transfer hydrogenation reaction (PTHR) platform for the synthesis of benzhydrol derivatives (26 examples, 33-89% yields) with water as a green reducing agent. This transformation is time and labor-efficient, catalyst-free, and economical and utilizes readily available hydrocarbon(s) (o-methyl phenyl ketones) as starting materials.

Category: phthalazines. About 4-Nitrobenzoic acid, If you have any questions, you can contact Aand, D; Mahajan, B; Pabbaraja, S; Singh, AK or concate me.

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Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

SDS of cas: 62-23-7. Recently I am researching about BORDETELLA-PERTUSSIS; CARBOHYDRATE; GLYCOSYLATION; ANTIBODIES; INDUCTION; EVOLUTION; INFECTION; BETA; CELL, Saw an article supported by the National Institute of Allergy and Infectious Diseases, NIHUnited States Department of Health & Human ServicesNational Institutes of Health (NIH) – USANIH National Institute of Allergy & Infectious Diseases (NIAID) [R01AI146210, R01AI125560]; National Cancer Institute, NIHUnited States Department of Health & Human ServicesNational Institutes of Health (NIH) – USANIH National Cancer Institute (NCI) [R01CA225105]. Published in WILEY-V C H VERLAG GMBH in WEINHEIM ,Authors: Wang, P; Huo, CX; Lang, SY; Caution, K; Nick, ST; Dubey, P; Deora, R; Huang, XF. The CAS is 62-23-7. Through research, I have a further understanding and discovery of 4-Nitrobenzoic acid

With the infection rate of Bordetella pertussis at a 60-year high, there is an urgent need for new anti-pertussis vaccines. The lipopolysaccharide (LPS) of B. pertussis is an attractive antigen for vaccine development. With the presence of multiple rare sugars and unusual glycosyl linkages, the B. pertussis LPS is a highly challenging synthetic target. In this work, aided by molecular dynamics simulation and modeling, a pertussis-LPS-like pentasaccharide was chemically synthesized for the first time. The pentasaccharide was conjugated with a powerful carrier, bacteriophage Q beta, as a vaccine candidate. Immunization of mice with the conjugate induced robust anti-glycan IgG responses with IgG titers reaching several million enzyme-linked immunosorbent assay (ELISA) units. The antibodies generated were long lasting and boostable and could recognize multiple clinical strains of B. pertussis, highlighting the potential of Q beta-glycan as a new anti-pertussis vaccine.

Welcome to talk about 62-23-7, If you have any questions, you can contact Wang, P; Huo, CX; Lang, SY; Caution, K; Nick, ST; Dubey, P; Deora, R; Huang, XF or send Email.. SDS of cas: 62-23-7

Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

Category: phthalazines. I found the field of Chemistry very interesting. Saw the article Novel Pyrazolo[3,4-d]pyrimidine-Containing Amide Derivatives: Synthesis, Molecular Docking, In Vitro and In Vivo Antidiabetic Activity published in 2019, Reprint Addresses Kiran, G (corresponding author), Anurag Grp Inst, Dept Pharmaceut Anal & Chem, Sch Pharm, Ghatkesar M, Telangana, India.. The CAS is 62-23-7. Through research, I have a further understanding and discovery of 4-Nitrobenzoic acid.

A new series of Pyrazolo[3,4-d]pyrimidine containing amide derivatives (8 a-l) were designed, synthesized, and evaluated for their in vitro alpha-amylase inhibitory activity. The IC50 values of the target compounds ranged from 1.60 +/- 0.48 to 2.04 +/- 1.20 mu M as compared to the standard acarbose 1.73 +/- 0.05 mu M. All the Pyrazolo[3,4-d]pyrimidine amide derivatives displayed good inhibitory activities, while seven analogs (8 d, 8 f, 8 g, 8 h, 8 i, 8 j and 8 k) exhibited more or less equipotent activity with IC50 values 1.77 +/- 2.84, 1.65 +/- 0.45, 1.66 +/- 2.24, 1.73 +/- 0.37, 1.60 +/- 0.48, 1.75 +/- 0.36 and 1.64 +/- 0.03 mu M respectively. Further, the most potent alpha-amylase inhibitors 8 d and 8 k were also screened for their in vivo antidiabetic activity against alloxan induced diabetic rat model at the dose of 25 and 50 mg/kg. Oral administration of these tested compounds significantly reduced the fasting blood glucose levels in dose dependent manner. The hypoglycemic effects of these compounds were more evident at 3 h and 5 h after administration of tested compounds which was similar to the effect displayed by the positive control. In addition, the binding energies calculated from the docking studies with the alpha-amylase enzyme (PDB ID: 1HNY) and biological activities indicate that the compounds containing nitro moiety on the phenyl group contributed significantly towards the antidiabetic activity.

Category: phthalazines. Welcome to talk about 62-23-7, If you have any questions, you can contact Reddy, BN; Ruddarraju, RR; Kiran, G; Pathak, M; Reddy, ARN or send Email.

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Phthalazine – Wikipedia,
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SDS of cas: 62-23-7. In 2019.0 CHEMCATCHEM published article about CHEMOSELECTIVE HYDROGENATION; PD NANOPARTICLES; NITRO-COMPOUNDS; REDUCTION; PERFORMANCE; NITROAROMATICS; EXPLORATION; INTERFACES; HYDRAZINE; COMPOSITE in [Tian, Haimeng; Li, Yunong; Wang, Yiming; Liu, Lei; Hu, Ze-Nan; Li, Jifan; Guo, Rongxiu; Liu, Zhibo; Sun, Hong-bin] Northeastern Univ, Dept Chem, Shenyang 110819, Liaoning, Peoples R China; [Zhou, Junjie] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China; [Ai, Yongjian; Liang, Qionglin] Tsinghua Univ, Ctr Synthet & Syst Biol, Key Lab Bioorgan Phosphorus Chem & Chem Biol, Dept Chem,Minist Educ, Beijing 100084, Peoples R China in 2019.0, Cited 55.0. The Name is 4-Nitrobenzoic acid. Through research, I have a further understanding and discovery of 62-23-7.

Modifying the surface of metal catalyst is a crucial subject for improving the heterogeneous metal catalysts. It is still a great challenge to understand the structure-activity relationship (SAR) between the surface supporting groups and the metal particles. Herein, Rh NPs supported on the magnetic silica sphere with various functional groups (-NH2, -SH, -SO3H, -N=CH2, -Cl, -NHCOCH3 and -NHCH2Ph) have been prepared for catalytic hydrogenation of nitroarenes under atmospheric pressure at room temperature. We discover that the chemical state of Rh NPs depends on the supporting groups significantly. The electron-donating functionalities can effectively elevate the Rh-0/Rh3+ ratio, which increase the catalytic performance both in conversion and selectivity. The amino group decorated catalyst has such a good selectivity that no dechlorination reaction is observable in the hydrogenation of 2-chloro-3-nitropyridine. What’s more, by introducing magnetic Fe3O4 nuclei and mesoporous silica encapsulating layer, the catalyst can be recovered conveniently by an external magnet, and can be reused 10 cycles without any loss of activity.

Welcome to talk about 62-23-7, If you have any questions, you can contact Tian, HM; Zhou, JJ; Li, YN; Wang, YM; Liu, L; Ai, YJ; Hu, ZN; Li, JF; Guo, RX; Liu, ZB; Sun, HB; Liang, QL or send Email.. SDS of cas: 62-23-7

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Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

Product Details of 62-23-7. In 2020 MOLECULES published article about DERIVATIVES; 2-AMINO-1,3,4-THIADIAZOLE; THIOSEMICARBAZONES; REDUCTION in [Kudelko, Agnieszka; Olesiejuk, Monika; Luczynski, Marcin] Silesian Tech Univ, Dept Chem Organ Technol & Petrochem, Krzywoustego 4, PL-44100 Gliwice, Poland; [Swiatkowski, Marcin; Sieranski, Tomasz; Kruszynski, Rafal] Lodz Univ Technol, Inst Gen & Ecol Chem, Dept Xray Crystallog & Crystal Chem, Zeromskiego 116, PL-90924 Lodz, Poland in 2020, Cited 44. The Name is 4-Nitrobenzoic acid. Through research, I have a further understanding and discovery of 62-23-7.

Three series of azo dyes derived from 2-amino-5-aryl-1,3,4-thiadiazoles and aniline,N,N-dimethylaniline and phenol were synthesized in high yields by a conventional diazotization-coupling sequence. The chemical structures of the prepared compounds were confirmed by(1)H-NMR,C-13-NMR, IR, UV-Vis spectroscopy, mass spectrometry and elemental analysis. In addition, the X-ray single crystal structure of a representative azo dye was presented. For explicit determination of the influence of a substituent on radiation absorption in UV-Vis range, time-dependent density functional theory calculations were performed.

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Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

An article Synthesis, antiproliferative activity and SAR analysis of (-)-cleistenolide and analogues WOS:000560369900030 published article about STEREOSELECTIVE TOTAL-SYNTHESIS; GENERAL DEFINITION; EFFICIENT in [Benedekovic, Goran; Popsavin, Mirjana; Kovacevic, Ivana; Rodic, Marko; Popsavin, Velimir] Univ Novi Sad, Fac Sci, Dept Chem Biochem & Environm Protect, Trg Dositeja Obradovica 3, Novi Sad, Serbia; [Kojic, Vesna] Univ Novi Sad, Fac Med, Oncol Inst Vojvodina, Put Dr Goldmana 4, Sremska Kamenica 21204, Serbia; [Popsavin, Velimir] Serbian Acad Arts & Sci, Knez Mihajlova 35, Belgrade 11000, Serbia in 2020.0, Cited 28.0. The Name is 4-Nitrobenzoic acid. Through research, I have a further understanding and discovery of 62-23-7. HPLC of Formula: C7H5NO4

A new, modified total synthesis of (-)-cleistenolide (1) and sixteen new analogues or derivatives was achieved starting from commercially available 1,2-O-isopropylidene-alpha-D-glucofuranose. The synthesis of 1 proceeds in six steps and 67% overall yield, using single-carbon atom degradation of a protected chiral precursor, (Z)-selective Wittig olefination, and acid catalyzed delta-lactonization. A new Lewis acid promoted procedure for one-pot O-debenzylation/O-acylation has been developed to complete the synthesis of natural product 1 and selected analogues. The synthesized compounds were tested in vitro to evaluate their cytotoxicity against K562, HL-60, Jurkat, Raji, MCF-7, MDA-MB 231, HeLa, A549, and MRC-5 cell lines. All (-)-cleistenolide analogues exhibited significantly higher cytotoxicity than lead 1 against the majority of cell lines tested. Most of the synthesized compounds are more active than doxorubicin on at least one malignant cell line, but were almost completely inactive against normal MRC-5 cells. The structural features of the tested compounds responsible for their antiproliferative activity have been identified by preliminary SAR analysis. (C) 2020 Elsevier Masson SAS. All rights reserved.

Welcome to talk about 62-23-7, If you have any questions, you can contact Benedekovic, G; Popsavin, M; Kovacevic, I; Kojic, V; Rodic, M; Popsavin, V or send Email.. HPLC of Formula: C7H5NO4

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Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

Recently I am researching about C-H BONDS; BENZOIC-ACID; MOLECULAR-OXYGEN; N-HYDROXYPHTHALIMIDE; SELECTIVE OXIDATION; METAL-FREE; PHOTOOXIDATION; DERIVATIVES; COBALT; OXIDE, Saw an article supported by the National Key Research and Development Program of China [2017YFC0210900]. Published in GEORG THIEME VERLAG KG in STUTTGART ,Authors: Zheng, K; Yan, XY; Zhang, GF; Yan, XH; Li, XQ; Xu, XS. The CAS is 62-23-7. Through research, I have a further understanding and discovery of 4-Nitrobenzoic acid. Application In Synthesis of 4-Nitrobenzoic acid

A mild and metal-free procedure is reported for the aerobic oxidation of substituted toluenes to carboxylic acids by using CBr (4) as initiator under irradiation from a 400 nm blue light-emitting diode.

Application In Synthesis of 4-Nitrobenzoic acid. About 4-Nitrobenzoic acid, If you have any questions, you can contact Zheng, K; Yan, XY; Zhang, GF; Yan, XH; Li, XQ; Xu, XS or concate me.

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Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

In 2019 J AM CHEM SOC published article about N-ALKOXYAMINES; GENERATION; PYRIDINIUM; CLEAVAGE; CHEMISTRY; CATIONS in [Norcott, Philip L.; Hammill, Chelsey L.; Noble, Benjamin B.; Coote, Michelle L.] Australian Natl Univ, ARC Ctr Excellence Electromat Sci, Canberra, ACT 2601, Australia; [Norcott, Philip L.; Hammill, Chelsey L.; Noble, Benjamin B.; Coote, Michelle L.] Australian Natl Univ, Res Sch Chem, Canberra, ACT 2601, Australia; [Robertson, Johnathon C.; Olding, Angus; Bissember, Alex C.] Univ Tasmania, Sch Nat Sci Chem, Hobart, Tas 7001, Australia in 2019, Cited 36. The Name is 4-Nitrobenzoic acid. Through research, I have a further understanding and discovery of 62-23-7. COA of Formula: C7H5NO4

Bench- and air-stable 1-methoxy-2,2,6,6-tetra-methylpiperidine (TEMPO-Me) is relatively unreactive at ambient temperature in the absence of an electrochemical stimulus. In this report, we demonstrate that the one-electron electrochemical oxidation of TEMPO-Me produces a powerful electrophilic methylating agent in situ. Our computational and experimental studies are consistent with methylation proceeding via a S(N)2 mechanism, with a strength comparable to the trimethyloxonium cation. A protocol is developed for the electrochemical methylation of aromatic acids using TEMPO-Me.

Welcome to talk about 62-23-7, If you have any questions, you can contact Norcott, PL; Hammill, CL; Noble, BB; Robertson, JC; Olding, A; Bissember, AC; Coote, ML or send Email.. COA of Formula: C7H5NO4

Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem