Top Picks: new discover of 3-Methyl-1-p-tolyl-5-pyrazolone

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In 2019 ORG BIOMOL CHEM published article about CHIRAL SQUARAMIDE; MICHAEL ADDITION; DERIVATIVES; INHIBITORS; PYRAZOLIN-5-ONES; CONSTRUCTION; PYRAZOLONES in [Zhang, Qing-Da; Zhao, Bo-Liang; Li, Bing-Yu; Du, Da-Ming] Beijing Inst Technol, Sch Chem & Chem Engn, 5 South Zhongguancun St, Beijing 100081, Peoples R China in 2019, Cited 28. The Name is 3-Methyl-1-p-tolyl-5-pyrazolone. Through research, I have a further understanding and discovery of 86-92-0. Recommanded Product: 86-92-0

An enantioselective Mannich reaction between 3-fluorooxindoles and pyrazolinone ketimines has been developed for the construction of amino-pyrazolone-oxindoles containing stereogenic C-F units. Based on this new protocol that allows for the generation of two adjacent tetrasubstituted stereocenters, a variety of structurally diverse fluorinated amino-pyrazolone-oxindoles were obtained in good to excellent yields with excellent diastereoselectivities and enantioselectivities (up to 98% yield, >20 : 1 dr and >99% ee). What’s more, good yield and high stereoselectivities were obtained in the gram-scale reaction.

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Reference:
Article; Zhang, Yong; Nie, Long-Jun; Luo, Liang; Mao, Jia-Xin; Liu, Jin-Xiang; Xu, Guo-Hai; Chen, Deliang; Luo, Hai-Qing; Tetrahedron; vol. 76; 7; (2020);,
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

The Shocking Revelation of 3-Methyl-1-p-tolyl-5-pyrazolone

Recommanded Product: 86-92-0. Welcome to talk about 86-92-0, If you have any questions, you can contact Wu, GX; Xu, HH; Liu, ZR; Liu, YH; Yang, X; Zhang, XL; Huang, Y or send Email.

Recommanded Product: 86-92-0. In 2019 ORG LETT published article about ALLYLIC DEAROMATIZATION REACTION; STEREOCONTROLLED CONSTRUCTION; MICHAEL ADDITION; ALKYLATION; ACID; PYRAZOLIN-5-ONES; PYRAZOL-5-ONES; ALCOHOLS; BEARING in [Wu, Gengxin; Xu, Haohan; Liu, Ziran; Liu, Yonghong; Yang, Xiang; Huang, Yan] Xinjiang Univ, Coll Chem & Chem Engn, Key Lab Oil & Gas Fine Chem, Minist Educ & Xinjiang Uyghur Autonomous Reg, Urumqi 830000, Xinjiang, Peoples R China; [Zhang, Xulong] Xinjiang Uygur Autonomous Reg Prod Qual Supervis, Urumqi 830000, Xinjiang, Peoples R China in 2019, Cited 46. The Name is 3-Methyl-1-p-tolyl-5-pyrazolone. Through research, I have a further understanding and discovery of 86-92-0.

In this letter, an efficient one-pot asymmetric sequential reaction is achieved by organo/transition metal relay catalysis in constructing two consecutive C-C bonds, which involves enantioselective amino squaramide catalytic Mannich-type addition of pyrazolones to isatin-derived ketimines and a subsequent palladium catalyzed diastereoselective allylic alkylation of pyrazolones with allylic acetates. An array of novel pyrazolone-aminooxindole-propylene structural motifs are obtained in a high level of yield and with excellent enantio- and diastereoselectivity (up to 95% yield, >20:1 dr, >99% ee). This methodology features the formation of vicinal quarternary carbon-stereocenters, and the second all-carbon tetrasubstituted stereogenic center is induced by joint action of the achiral palladium catalysis and the chiral environment generated from the Mannich step. Moreover, the usefulness of this methodology is highlighted by converting the allylic product into the carbonyl compound.

Recommanded Product: 86-92-0. Welcome to talk about 86-92-0, If you have any questions, you can contact Wu, GX; Xu, HH; Liu, ZR; Liu, YH; Yang, X; Zhang, XL; Huang, Y or send Email.

Reference:
Article; Zhang, Yong; Nie, Long-Jun; Luo, Liang; Mao, Jia-Xin; Liu, Jin-Xiang; Xu, Guo-Hai; Chen, Deliang; Luo, Hai-Qing; Tetrahedron; vol. 76; 7; (2020);,
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Chemistry Milestones Of 3-Methyl-1-p-tolyl-5-pyrazolone

About 3-Methyl-1-p-tolyl-5-pyrazolone, If you have any questions, you can contact Zhu, YF; Wei, BL; Wei, JJ; Wang, WQ; Song, WB; Xuan, LJ or concate me.. COA of Formula: C11H12N2O

COA of Formula: C11H12N2O. Zhu, YF; Wei, BL; Wei, JJ; Wang, WQ; Song, WB; Xuan, LJ in [Zhu, Ye-Fu; Wei, Bo-Le; Wei, Jiao-Jiao; Wang, Wen-Qiong; Song, Wei-Bin; Xuan, Li-Jiang] Chinese Acad Sci, Shanghai Inst Mat Med, State Key Lab Drug Res, 501 Haike Rd,Zhangjiang Hitech Pk, Shanghai 201203, Peoples R China; [Zhu, Ye-Fu; Wei, Bo-Le; Wei, Jiao-Jiao] Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China published Synthesis of pyrazolones and pyrazoles via Pd-catalyzed aerobic oxidative dehydrogenation in 2019, Cited 18. The Name is 3-Methyl-1-p-tolyl-5-pyrazolone. Through research, I have a further understanding and discovery of 86-92-0.

A palladium-catalyzed oxidative dehydrogenation reaction in the presence of AMS and base to synthesize pyrazolones and pyrazoles was identified. This method can be utilized to a wide range of substrates, operates under mild react conditions and can give high yields. We believe it could be used as an alternative protocol for the classical dehydrogenation reactions. (C) 2019 Published by Elsevier Ltd.

About 3-Methyl-1-p-tolyl-5-pyrazolone, If you have any questions, you can contact Zhu, YF; Wei, BL; Wei, JJ; Wang, WQ; Song, WB; Xuan, LJ or concate me.. COA of Formula: C11H12N2O

Reference:
Article; Zhang, Yong; Nie, Long-Jun; Luo, Liang; Mao, Jia-Xin; Liu, Jin-Xiang; Xu, Guo-Hai; Chen, Deliang; Luo, Hai-Qing; Tetrahedron; vol. 76; 7; (2020);,
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Interesting scientific research on C11H12N2O

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Authors Akbari, F; Didehban, K; Farhang, M in ELSEVIER published article about MAGNESIUM-DL-ASPARTATE; P-TOLUIC ACID; MIXING PROPERTIES; ACTIVITY-COEFFICIENT; NRTL-SAC; 313.15 K; PREDICTION; INGREDIENTS; PARAMETERS in [Akbari, Falamarz] Eram Inst Higher Educ, Dept Chem, POB 71957-46733, Shiraz, Iran; [Didehban, Khadijeh; Farhang, Mona] Payame Noor Univ, Dept Chem, POB 19395-3697, Tehran, Iran in 2020, Cited 35. Computed Properties of C11H12N2O. The Name is 3-Methyl-1-p-tolyl-5-pyrazolone. Through research, I have a further understanding and discovery of 86-92-0

A new semi-theoretical equation is suggested for correlation of solid-liquid solubility data with temperature. The (solid + liquid) equilibrium for Terephthaldialdehyde, 4-Nitro-o-phennylenediamine, 2,4-dihydro- 5-methyl-2(4-methylphenyl)-3H-pyrazol-3-one (also named 1-(p-toly1)-3-methyl-5pyrazolone (PTMP)), 2-Amino-5-methylthiazole and 5-chloro-1-methyl-4-nitroimidazole in 18 solvents is correlated with semi-empirical models at temperatures T = 273.15 – 318.15 K under a pressure of 101.2 kPa. Moreover, a modified Apelblat model, lambda h model, Wilson model, NRTL model, new flexible equation as Akbari, Dideban and Farhang model (ADF) and for first time the modified Scatchard-Hildebrand equation were utilized to calculate the experiment values. The performance of both ADF and modified Scatchard-Hildebrand equation have been checked by calculating the solubility data with the AARD% of 1.3808% (for 775 data points) and 0.65% (for 100 data points), respectively. The Wilson model is applied to estimate the mixing Gibbs energy, mixing enthalpy, mixing entropy, activity coefficient (ln gamma(infinity)(1)) and reduced excess enthalpy (H-I(E,infinity)) at infinitesimal concentration were calculated.

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Reference:
Article; Zhang, Yong; Nie, Long-Jun; Luo, Liang; Mao, Jia-Xin; Liu, Jin-Xiang; Xu, Guo-Hai; Chen, Deliang; Luo, Hai-Qing; Tetrahedron; vol. 76; 7; (2020);,
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Simple exploration of 3,5-Dimethyl-1H-pyrazole

Welcome to talk about 67-51-6, If you have any questions, you can contact Soltani, B; Ghorbanpour, M; Ziegler, CJ; Ebadi-Nahari, M; Mohammad-Rezaei, R or send Email.. HPLC of Formula: C5H8N2

Recently I am researching about SCHIFF-BASES; ZINC(II) COMPLEXES; CRYSTAL-STRUCTURE; METAL-IONS; COPPER(II); ANTITUMOR; BEARING; NI(II); CU(II); CO(II), Saw an article supported by the University of Azarbaijan Shahid Madani. HPLC of Formula: C5H8N2. Published in PERGAMON-ELSEVIER SCIENCE LTD in OXFORD ,Authors: Soltani, B; Ghorbanpour, M; Ziegler, CJ; Ebadi-Nahari, M; Mohammad-Rezaei, R. The CAS is 67-51-6. Through research, I have a further understanding and discovery of 3,5-Dimethyl-1H-pyrazole

The synthesis, characterization, antibacterial activity and cyclic voltammetry of bidentate N,S donor pyrazole derivative ligands abbreviated as Na(EtNCSPz) (1), Na(PhNCSPz) (2), Na(PhNCSPz(me2)) (3), Na (PhNCSPz(me3)) (4) and their metal complexes with Ni(II) and Co(II) metal ions are reported, where Pz = pyrazole, Pz(me2) = 3,5-dimethylpyrazole and Pz(me3) = 3,4,5-trimethylpyrazole. All of the synthesized ligands and complexes have been characterized by physicochemical and spectroscopic methods and the crystal structures of [Ni(EtNCSPz)(2)] (1a) and [Ni(PhNCSPz(Me3))(2)] (4a) have been determined by X-ray diffraction analysis. The X-ray crystal structure of both the complexes describe a square planar coordination geometry. The electrochemical studies show that the synthesized complex is an electrochemically active species, furthermore, substitution electron donating groups on the ligands shift the reduction and oxidation potentials to negative values. Antibacterial activity results indicate these complexes possess high activity against gram-positive and gram-negative bacteria compare to the free ligands. (C) 2020 Elsevier Ltd. All rights reserved.

Welcome to talk about 67-51-6, If you have any questions, you can contact Soltani, B; Ghorbanpour, M; Ziegler, CJ; Ebadi-Nahari, M; Mohammad-Rezaei, R or send Email.. HPLC of Formula: C5H8N2

Reference:
Pyrazole – Wikipedia,
,Pyrazoles – an overview | ScienceDirect Topics

Properties and Exciting Facts About 86-92-0

Name: 3-Methyl-1-p-tolyl-5-pyrazolone. Bye, fridends, I hope you can learn more about C11H12N2O, If you have any questions, you can browse other blog as well. See you lster.

In 2021 CHEM COMMUN published article about PHOTOPHYSICAL PROPERTIES; ACTIVATION; FUNCTIONALIZATION; MECHANISM in [Changmai, Sumi; Sultana, Sabera; Gogoi, Sanjib] North East Inst Sci & Technol, CSIR, Chem Sci & Technol Div, Appl Organ Chem, Jorhat 785006, Assam, India; [Changmai, Sumi; Sultana, Sabera; Gogoi, Sanjib] AcSIR, Ghaziabad 201002, India; [Sarma, Bipul] Tezpur Univ, Dept Chem Sci, Tezpur 784028, Assam, India in 2021, Cited 30. The Name is 3-Methyl-1-p-tolyl-5-pyrazolone. Through research, I have a further understanding and discovery of 86-92-0. Name: 3-Methyl-1-p-tolyl-5-pyrazolone

The Pd(ii)-catalyzed activation of Csp(2)-H bond and double alkyne annulation which proceeds via allylic isomerization is reported for the first time. This reaction of antipyrines with alkynes provides an efficient synthetic route for the biologically important spiro-cyclopentadiene pyrazolones. In the presence of Lawesson’s reagent, this Pd(ii)-catalyzed annulation reaction affords another spiro-cyclopentadiene pyrazolone which displays very good fluorescence properties.

Name: 3-Methyl-1-p-tolyl-5-pyrazolone. Bye, fridends, I hope you can learn more about C11H12N2O, If you have any questions, you can browse other blog as well. See you lster.

Reference:
Article; Zhang, Yong; Nie, Long-Jun; Luo, Liang; Mao, Jia-Xin; Liu, Jin-Xiang; Xu, Guo-Hai; Chen, Deliang; Luo, Hai-Qing; Tetrahedron; vol. 76; 7; (2020);,
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Machine Learning in Chemistry about 1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxylic acid

Recommanded Product: 1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxylic acid. Welcome to talk about 83-10-3, If you have any questions, you can contact Delgado, J; Jones, L; Bradley, MC; Allan, LM; Ballard, C; Clare, L; Fortinsky, RH; Hughes, CM; Melzer, D or send Email.

Recommanded Product: 1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxylic acid. In 2021 AGE AGEING published article about DRUG-REACTIONS; MEDICATION USE; OLDER-PEOPLE; CARE; COMORBIDITIES in [Delgado, Joao; Jones, Lindsay; Ballard, Clive; Melzer, David] Univ Exeter, Coll Med & Hlth, Epidemiol & Publ Hlth, Exeter EX1 2LU, Devon, England; [Bradley, Marie C.] US FDA, Off Surveillance & Epidemiol, Ctr Drug Evaluat & Res, Silver Spring, MD 20993 USA; [Allan, Louise M.; Clare, Linda] Univ Exeter, Coll Med & Hlth, Ctr Res Ageing & Cognit Hlth, Exeter EX1 2LU, Devon, England; [Fortinsky, Richard H.] Univ Connecticut, Sch Med, Ctr Aging, Mansfield, CT 06030 USA; [Hughes, Carmel M.] Queens Univ Belfast, Med Biol Ctr, Sch Pharm, Belfast BT9 7BL, Antrim, North Ireland in 2021, Cited 30. The Name is 1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxylic acid. Through research, I have a further understanding and discovery of 83-10-3.

Importance: treatment of dementia in individuals with comorbidities is complex, leading to potentially inappropriate prescribing (PIP). The impact of PIP in this population is unknown. Objective: to estimate the rate of PIP and its effect on adverse health outcomes (AHO). Design: retrospective cohort. Setting: primary care electronic health records linked to hospital discharge data from England. Subjects: 11,175 individuals with dementia aged over 65 years in 2016 and 43,463 age- and sex-matched controls. Methods: Screening Tool of Older Persons’ Prescriptions V2 defined PIP. Logistic regression tested associations with comorbidities at baseline, and survival analyses risk of incident AHO, adjusted for age, gender, deprivation and 14 comorbidities. Results: the dementia group had increased risk of PIP (73% prevalence; odds ratio [OR]: 1.92; confidence interval [CI]: 83-103%; P < 0.01) after adjusting for comorbidities. Most frequent PIP criteria were related to anti-cholinergic drugs and therapeutic duplication. Risk of PIP was higher in patients also diagnosed with coronary-heart disease (odds OR: 2.17; CI: 1.91-2.46; P < 0.01), severe mental illness (OR: 2.09; CI: 1.62-2.70; P < 0.01); and depression (OR: 1.81; CI: 1.62-2.01; P < 0.01). During follow-up (1 year), PIP was associated with increased all-cause mortality (hazard ratio: 1.14; CI: 1.021.26; P < 0.02), skin ulcer and pressure sores (hazard ratio: 1.66; CI: 1.12-2.46; P< 0.01), falls (hazard ratio: 1.37; CI: 1.15-1.63; P < 0.01), anaemia (hazard ratio: 1.61; CI: 1.10-2.38; P < 0.02) and osteoporosis (hazard ratio: 1.62; CI: 1.022.57; P < 0.04). Conclusion: patients with dementia frequently receive PIPs, and those who do are more likely to experience AHO. These results highlight the need to optimise medication in dementia patients, especially those with comorbidities. Recommanded Product: 1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxylic acid. Welcome to talk about 83-10-3, If you have any questions, you can contact Delgado, J; Jones, L; Bradley, MC; Allan, LM; Ballard, C; Clare, L; Fortinsky, RH; Hughes, CM; Melzer, D or send Email.

Reference:
Patent; Shanghai Pharmaceutical Industry Institute; China Pharmaceutical Industry Zongyuan; Li Jianqi; Huang Daowei; Wang Wenya; Zhang Zhiguo; Jiang Ling; (45 pag.)CN107286140; (2017); A;,
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

An overview of features, applications of compound:1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxylic acid

Quality Control of 1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxylic acid. Bye, fridends, I hope you can learn more about C12H12N2O3, If you have any questions, you can browse other blog as well. See you lster.

Quality Control of 1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxylic acid. Authors Fan, LL; Zhang, YY; Tarin, MWK; He, TY; Rong, JD; Zheng, YS in TAYLOR & FRANCIS LTD published article about in [Fan, Lili; Zhang, Yangyang; Rong, Jundong; Zheng, Yushan] Fujian Agr & Forestry Univ, Coll Forestry, Fuzhou, Peoples R China; [Tarin, Muhammad Waqqas Khan; He, Tianyou; Zheng, Yushan] Fujian Agr & Forestry Univ, Coll Landscape, Fuzhou, Peoples R China in 2020, Cited 7. The Name is 1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxylic acid. Through research, I have a further understanding and discovery of 83-10-3

Ampelocalamus scandens is native to Guizhou Province, China, and grows at an altitude of 260-320 m. It can be used as a raw material for weaving and papermaking. In the current study, the complete chloroplast (cp) genome of A. scandens was sequenced and is reported for the first time. The complete cp sequence was 139,504 bp, include large single-copy (LSC), small single-copy (SSC), and a pair of invert repeats (IR) region of 83,103 bp, 12,813 bp, and 21,793 bp, respectively. Besides, the plastid genome comprised a total of 132 genes, including protein-coding, tRNA, and rRNA genes as 85, 39, and 8 genes, respectively. Phylogenetic analysis based on 28 cp genomes reveals that A. scandens is closely associated with Ampelocalamus melicoideus in Arundinarodae.

Quality Control of 1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxylic acid. Bye, fridends, I hope you can learn more about C12H12N2O3, If you have any questions, you can browse other blog as well. See you lster.

Reference:
Patent; Shanghai Pharmaceutical Industry Institute; China Pharmaceutical Industry Zongyuan; Li Jianqi; Huang Daowei; Wang Wenya; Zhang Zhiguo; Jiang Ling; (45 pag.)CN107286140; (2017); A;,
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Now Is The Time For You To Know The Truth About 67-51-6

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Hanafusa, M; Tsuchida, Y; Matsumoto, K; Kondo, K; Yoshizawa, M in [Hanafusa, Mamiko; Tsuchida, Yamato; Matsumoto, Kyosuke; Kondo, Kei; Yoshizawa, Michito] Tokyo Inst Technol, Inst Innovat Res, Lab Chem & Life Sci, Midori Ku, 4259 Nagatsuta, Yokohama, Kanagawa 2268503, Japan published Three host peculiarities of a cycloalkane-based micelle toward large metal-complex guests in 2020.0, Cited 41.0. Recommanded Product: 67-51-6. The Name is 3,5-Dimethyl-1H-pyrazole. Through research, I have a further understanding and discovery of 67-51-6.

Linear alkanes are essential building blocks for natural and artificial assemblies in water. As compared with typical, linear alkane-based micelles and recent aromatic micelles, we herein develop a cycloalkane-based micelle, consisting of bent amphiphiles with two cyclohexyl frameworks. This uncommon type of micelle, with a spherical core diameter of similar to 2nm, forms in water in a spontaneous and quantitative manner. The cycloalkane-based, hydrophobic cavity displays peculiar host abilities as follows: (i) highly efficient uptake of sterically demanding Zn(II)-tetraphenylporphyrin and rubrene dyes, (ii) selective uptake of substituted Cu(II)-phthalocyanines and spherical nanocarbons, and (iii) uptake-induced solution-state emission of [Au(I)-dimethylpyrazolate](3) in water. These host functions toward the large metal-complex and other guests studied herein remain unaccomplished by previously reported micelles and supramolecular containers.

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Reference:
Pyrazole – Wikipedia,
,Pyrazoles – an overview | ScienceDirect Topics

Search for chemical structures by a sketch :3-Methyl-1-p-tolyl-5-pyrazolone

Safety of 3-Methyl-1-p-tolyl-5-pyrazolone. About 3-Methyl-1-p-tolyl-5-pyrazolone, If you have any questions, you can contact Wu, GX; Xu, HH; Liu, ZR; Liu, YH; Yang, X; Zhang, XL; Huang, Y or concate me.

An article Asymmetric Organocatalysis Combined with Palladium Catalysis: Synergistic Effect on Enantioselective Mannich/alpha-Allylation Sequential Reactions of Pyrazolones in Constructing Vicinal Quaternary Stereocenters WOS:000489200100005 published article about ALLYLIC DEAROMATIZATION REACTION; STEREOCONTROLLED CONSTRUCTION; MICHAEL ADDITION; ALKYLATION; ACID; PYRAZOLIN-5-ONES; PYRAZOL-5-ONES; ALCOHOLS; BEARING in [Wu, Gengxin; Xu, Haohan; Liu, Ziran; Liu, Yonghong; Yang, Xiang; Huang, Yan] Xinjiang Univ, Coll Chem & Chem Engn, Key Lab Oil & Gas Fine Chem, Minist Educ & Xinjiang Uyghur Autonomous Reg, Urumqi 830000, Xinjiang, Peoples R China; [Zhang, Xulong] Xinjiang Uygur Autonomous Reg Prod Qual Supervis, Urumqi 830000, Xinjiang, Peoples R China in 2019, Cited 46. The Name is 3-Methyl-1-p-tolyl-5-pyrazolone. Through research, I have a further understanding and discovery of 86-92-0. Safety of 3-Methyl-1-p-tolyl-5-pyrazolone

In this letter, an efficient one-pot asymmetric sequential reaction is achieved by organo/transition metal relay catalysis in constructing two consecutive C-C bonds, which involves enantioselective amino squaramide catalytic Mannich-type addition of pyrazolones to isatin-derived ketimines and a subsequent palladium catalyzed diastereoselective allylic alkylation of pyrazolones with allylic acetates. An array of novel pyrazolone-aminooxindole-propylene structural motifs are obtained in a high level of yield and with excellent enantio- and diastereoselectivity (up to 95% yield, >20:1 dr, >99% ee). This methodology features the formation of vicinal quarternary carbon-stereocenters, and the second all-carbon tetrasubstituted stereogenic center is induced by joint action of the achiral palladium catalysis and the chiral environment generated from the Mannich step. Moreover, the usefulness of this methodology is highlighted by converting the allylic product into the carbonyl compound.

Safety of 3-Methyl-1-p-tolyl-5-pyrazolone. About 3-Methyl-1-p-tolyl-5-pyrazolone, If you have any questions, you can contact Wu, GX; Xu, HH; Liu, ZR; Liu, YH; Yang, X; Zhang, XL; Huang, Y or concate me.

Reference:
Article; Zhang, Yong; Nie, Long-Jun; Luo, Liang; Mao, Jia-Xin; Liu, Jin-Xiang; Xu, Guo-Hai; Chen, Deliang; Luo, Hai-Qing; Tetrahedron; vol. 76; 7; (2020);,
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics