Category: amides-buliding-blocks

Cavallo, Delia; Ursini, Cinzia Lucia; Fresegna, Anna Maria; Ciervo, Aureliano; Maiello, Raffaele; Buresti, Giuliana; Paci, Enrico; Pigini, Daniela; Gherardi, Monica; Carbonari, Damiano; Sisto, Renata; Tranfo, Giovanna; Iavicoli, Sergio published an article in 2021, the title of the article was Occupational exposure in industrial painters: sensitive and noninvasive biomarkers to evaluate early cytotoxicity, genotoxicity and oxidative stress.Electric Literature of 27115-50-0 And the article contains the following content:

This study aimed to identify sensitive and noninvasive biomarkers of early cyto-genotoxic, oxidative and inflammatory effects for exposure to volatile organic compounds (VOCs) in shipyard painters. On 17 (11 spray and 6 roller) painters (previously characterized for VOCs exposure to toluene, xylenes, ethylbenzene, Et acetate) and on 18 controls, we performed buccal micronucleus cytome (BMCyt) assay; Fpg-comet assay on lymphocytes; detection of urinary 8-oxoGua (8-oxo-7,8-dihydroguanine), 8-oxodGuo (8-oxo-7,8-dihydro-2′-deoxyguanosine) and 8-oxoGuo (8-oxo-7,8-dihydroguanosine), and cytokines release on serum. We found induction of cyto-genotoxicity by BMCyt assay and inflammatory effects (IL-6 and TNFα) in roller painters exposed to lower VOC concentrations than spray painters. In contrast, in both worker groups, we found direct and oxidative DNA damage by comet assay (with slightly higher oxidative DNA damage in roller) and significant increase of 8-oxoGuo and decrease of 8-oxodGuo and 8-oxoGua in respect to controls. The cyto-genotoxicity observed only on buccal cells of roller painters could be related to the task’s specificity and the different used protective equipment. Although limited by the small number of subjects, the study shows the usefulness of all the used biomarkers in the risk assessment of painters workers exposed to complex mixtures The experimental process involved the reaction of 2-(4-Methylbenzamido)acetic acid(cas: 27115-50-0).Electric Literature of 27115-50-0

The Article related to volatile organic compound biomarker cytotoxicity genotoxicity oxidative stress, bmcyt assay, fpg comet assay, biological monitoring, occupational vocs exposure, oxidative stress biomarkers, painters, proinflammatory effects and other aspects.Electric Literature of 27115-50-0

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

On May 25, 2022, Qaroush, Abdussalam K.; Alsayyed, Ahed W.; Eftaiha, Ala’a F.; Al-Qaisi, Feda’a M.; Salameh, Bader A. published an article.Recommanded Product: 102-07-8 The title of the article was Green Microwave-Assisted Synthesis of Cyclic/Acyclic Ureas from Propylene Carbonate. And the article contained the following:

Herein, an organocatalyzed synthetic pathway for the preparation of acyclic ureas RHNC(O)NHR (R = Bu, sec-Bu, Ph, cyclohexyl, cyclohexylmethyl, benzyl)/cyclic ureas I (n = 1, 2) from their parent primary aliphatic or aromatic monoamines NH2(CH2)nCH2NH2/diamines RNH2 with propylene carbonate as a carbonylating agent obtaining reasonable to very good yields with high selectivity has been described. This method is considered green as nine out of twelve green chem. principles (GCPs) are fulfilled. Most importantly, the absence of solvent and, energy-efficient pathway, in addition to the ease of synthesis and separation, under fast reaction times down to a few minutes together with the straightforward workup with min. use of organic solvents are described. This method was successful in preparing 1,3-diphenylurea from aniline giving 8% yield in 10 min, which was not previously reported using aromatic amines with carbonate esters. The method is applicable for primary rather than secondary amines, which implies high chemoselectivity of the former for the synthesis of urea compounds The experimental process involved the reaction of 1,3-Diphenylurea(cas: 102-07-8).Recommanded Product: 102-07-8

The Article related to acyclic urea preparation green chem microwave chemoselective, primary amine propylene carbonate carbonylation diazabicycloundecene catalyst, cyclic urea preparation green chem microwave chemoselective, diamine primary propylene carbonate carbonylation diazabicycloundecene catalyst and other aspects.Recommanded Product: 102-07-8

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

On July 31, 2020, Ebrahimi, Amirhossein; Rezazadeh, Mostafa; Khosravi, Hormoz; Rostami, Ali; Al-Harrasi, Ahmed published an article.Application of 5455-98-1 The title of the article was An Aminopyridinium Ionic Liquid: A Simple and Effective Bifunctional Organocatalyst for Carbonate Synthesis from Carbon Dioxide and Epoxides. And the article contained the following:

An aminopyridinium ionic liquid was presented as a green, tunable, and active metal-free one-component catalytic system for the atom-efficient transformation of oxiranes and CO2 to cyclic carbonates. Inclusion of a pos. charged moiety into aminopyridines, through a simple single-step synthesis, provided a one-component ionic liquid catalytic system with superior activity; effective in ring opening of epoxide, CO2 inclusion, and stabilization of oxoanionic intermediates. An efficiency assessment of a variety of pos. charged aminopyridines was pursued, and the impact of temperature, catalyst loading, and the kind of nucleophile on the catalytic performance was also investigated. Under solvent-free conditions, this bifunctional organocatalytic system was used for the preparation of 18 examples of cyclic carbonates from a broad range of alkyl- and aryl-substituted oxiranes and CO2, where up to 98% yield and high selectivity were achieved. DFT calculations validated a mechanism in which nucleophilic ring-opening and CO2 inclusion occur simultaneously towards cyclic carbonate formation. The experimental process involved the reaction of 2-(Oxiran-2-ylmethyl)isoindoline-1,3-dione(cas: 5455-98-1).Application of 5455-98-1

The Article related to aminopyridinium ionic liquid organocatalyst preparation green chem, oxirane carbon dioxide aminopyridinium iodide organocatalyst cycloaddition reaction mechanism, dioxolanone preparation, carbon dioxide, hydrogen-bond donors, ionic liquids, organocatalysis, ring-opening reactions and other aspects.Application of 5455-98-1

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

On January 15, 2015, Xu, Xiao; Wang, Xiaobo; Mao, Long; Zhao, Li; Xi, Biao published a patent.Related Products of 16230-24-3 The title of the patent was Preparation of pyrimidine compounds as Btk and Jak kinase inhibitors. And the patent contained the following:

The present invention relates to heterocyclic compounds [I; R1 = H, NRcRd, or 3-7 member cyclic ring substituted with C1-5 alkyl optionally substituted with halo; Rc = H, C1-4 alkyl or 3-7 member cyclic ring; Rd = H or C1-4 alkyl optionally substituted with OZ; Z = H or C1-4 alkyl; R2 = H, halo, C1-4 alkyl, or C1-4 alkoxy; R3 = H, halo, C1-4 alkyl, or C1-4 alkoxy; R5 = H, halo, C1-4 alkyl, or C1-4 alkoxy; R6 = H, halo, C1-4 alkyl, or C1-4 alkoxy; or R1 and R5 are part of 3-7 member cyclic ring, optionally substituted with C1-4 alkyl substituted with OZ; or R1 and R2 are part of 3-7 member cyclic ring, optionally substituted with C1-4 alkyl substituted with OZ; or R2 and R6 are part of 3-7 member cyclic ring, optionally substituted with C1-4 alkyl substituted with OZ; R4 = C2 alkenyl optionally substituted with C1-4 alkyl, CH2OMe, or -CH2NMe2; X = O, C1-4 alkyl optionally substituted with halo, or NRb; Rb = H, or C1-5 alkyl optionally substituted with halo; Y = CH optionally substituted with halo, or N, wherein at least one of R2, R3, R5 and R6 is not H] or pharmaceutically acceptable salts thereof. It also relates to pharmaceutical compounds, compositions and methods, especially as they are related to compositions and methods for the treatment and/or prevention of a proliferation disorder, cancer, tumor, inflammatory disease, autoimmune disease, psoriasis, dry eye or immunol. related disease, and in some embodiments diseases or disorders related to the dysregulation of kinase such as, but not limited to, EGFR (including HER), Alk, PDGFR, BLK, BMX/ETK, FLT3(D835Y), ITK, TEC, TXK, BTK, or JAK, and the resp. pathways. Thus, etherification of 2,4-dichloro-5-methoxypyrimidine with 3-nitrophenol in the presence of K2CO3 in DMF at 30 ° for 24 h gave 2-chloro-5-methoxy-4-(3-nitrophenoxy)pyrimidine which was coupled with 4-(4-methylpiperazin-1-yl)aniline in the presence of X-Phos and Pd2(dba)3, and K2CO3 in tert-Bu alc. at refluxing for 4 h to give 5-methoxy-N-[4-(4-methylpiperazin-1-yl)phenyl]-4-(3-nitrophenoxy)pyrimidin-2-amine (II; R = NO2). Hydrogenation of II (R = NO2) in the presence of 10% Pd-C in THF under hydrogen pressure of 15 MPa gave II (R = NH2) which was acylated by acryloyl chloride in the presence of diisopropylethylamine in a mixture of MeOH and THF at 0° with stirring for 1 h to give II (R = acryloylamino), namely N-[3-[[5-methoxy-2-[[4-(4-methylpiperazin-1-yl)phenyl]amino]pyrimidin-4-yl]oxy]phenyl]acrylamide. II (R = acryloylamino) showed IC50 of ≤200 nM against Jak3 phosphorylation in NK-92 cells and that of ≤10 nM against Btk Tyr223 phosphorylation in Ramos cells. The experimental process involved the reaction of N-(3-Aminophenyl)acrylamide(cas: 16230-24-3).Related Products of 16230-24-3

The Article related to piperazinylphenylaminopyrimidine preparation btk jak kinase inhibitor, pyrimidine preparation btk jak kinase inhibitor, piperazinylphenylaminopyrimidinyloxyphenylacrylamide preparation btk jak kinase inhibitor, proliferative disorder cancer tumor treatment pyrimidine preparation and other aspects.Related Products of 16230-24-3

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Jain, Isha; Sharma, Ramandeep; Malik, Payal published an article in 2019, the title of the article was Manganese-mediated acetylation of alcohols, phenols, thiols, and amines utilizing acetic anhydride.Application of 685-91-6 And the article contains the following content:

Manganese(II) chloride-catalyzed acetylation of alcs., phenols, thiols and amines RXH (R = Ph, n-octyl, cyclohexyl, etc.; X = O, S, NH), morpholine with acetic anhydride is reported. This method is environment-friendly and economically viable as it involves inexpensive, relatively benign catalyst, mild reaction condition, and simple workup. Acetylation is performed under the solvent-free condition at ambient temperature and acetylated products RXAc, N-acetylmorpholine obtained in good to excellent yields. Primary, secondary heterocyclic amines, and phenols with various functional groups are smoothly acetylated in good yields. This method exhibits exquisite chemoselectivity, and the amino group is preferentially acetylated in the presence of a hydroxyl/thiol group. The experimental process involved the reaction of N,N-Diethylacetamide(cas: 685-91-6).Application of 685-91-6

The Article related to acetate preparation green chem solventless, aliphatic alc acetic anhydride acetylation manganese catalyst, phenol acetic anhydride acetylation manganese catalyst, thiophenol acetic anhydride acetylation manganese catalyst, aniline acetic anhydride acetylation manganese catalyst and other aspects.Application of 685-91-6

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

On October 12, 2000, Matsubara, Koki; Kida, Hitoshi published a patent.HPLC of Formula: 167316-28-1 The title of the patent was Method for the preparation of tricyclic amino alcohol derivatives through azides. And the patent contained the following:

Tricyclic amino alc. derivatives represented by general formula [I; wherein R1 is lower alkyl or benzyl; *1 represents an asym. carbon atom; R2 is hydrogen, halogeno or hydroxyl; and A is a substituent represented by general formula Q or Q1 (wherein X is NH, O, or S; R5 is hydrogen, hydroxyl, amino, or acetylamino; and *2 represents an asym. carbon atom when R5 is not hydrogen)] are prepared via asym. reduction of phenacyl azides (II; R21 is hydrogen, halogeno or (un)protected hydroxyl; R3 is hydrogen or amino-protecting group; and R1 is lower alkyl or benzyl) to chiral azido alcs. (III) or amino alcs. (IV; R21, R1, R3 are same as above). This process makes it possible to prepare the derivatives I by a short, easy, inexpensive, and practical production process excellent in industrial workability. Compounds I are useful in the treatment and prevention of diabetes, obesity, hyperlipidemia, and so on (no data). Thus, 58 mg [(S,S)-N-methanesulfonyl-1,2-diphenylethylenediamine](p-cymene)ruthenium (preparation given) was added to a solution of 3.6 g 2-azido-1-(4-benzyloxy-3-methylsulfonylaminophenyl)ethanone (preparation given) in 2.5 mL formic acid/triethylamine solution (Fluka) in 6.5 mL THF and stirred at 5° for 43 h to give 95.0% (R)-2-azido-1-(4-benzyloxy-3-methylsulfonylaminophenyl)ethanol (94.2 %e.e.). In another example, 2-amino-1-(4-benzyloxy-3-methylsulfonylaminophenyl)ethanone hydrochloride (1.0 g) and 2 μL Et3N were added to a solution of 133 mg chloro(1,5-cyclooctadiene)rhodium(II) dimer and 397 mg (2R,4R)-N-(tert-butoxycarbonyl)-4-dicyclohexylphosphino-2-diphenylphosphinopyrrolidine and stirred under hydrogen atm. at room temperature for 24 h to give 94.0% (R)-2-amino-1-(4-benzyloxy-3-methylsulfonylaminophenyl)ethanol (V). Reductive benzylation of V with benzaldehyde in the presence of Pt2O under hydrogen atm. at room temperature for 15 h followed by amidation with (9H-carbazol-2-yloxy)acetic acid using DCC in THF at room temperature for 24 h, borane reduction in THF, and hydrogenolysis over 10% Pd-C in MeOH gave (R)-2-[N-[2-(9H-carbazol-2-yloxy)]ethyl]amino-1-(4-hydroxy-3-methylsulfonylaminophenyl)ethanol. The experimental process involved the reaction of N-[(1S,2S)-2-Amino-1,2-diphenylethyl]-1,1,1-trifluoromethanesulfonamide(cas: 167316-28-1).HPLC of Formula: 167316-28-1

The Article related to tricyclic amino alc preparation treatment diabetes obesity hyperlipidemia, asym reduction phenacyl azide, ruthenium complex asym reduction catalyst, carbazolyloxyethylaminophenylethanol preparation antidiabetic, phenylethanolamine carbazolyloxyethyl preparation antidiabetic and other aspects.HPLC of Formula: 167316-28-1

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

On November 1, 2022, Wang, Juanqiang; Zhao, Wentao; Guo, Wenping; Li, Yingying; Jiang, Rui; Li, Huichen; Wang, Shouwei; Li, Zhigang published an article.Application of 144-80-9 The title of the article was Simultaneous screening and analysis of 155 veterinary drugs in livestock foods using ultra-high performance liquid chromatography tandem quadrupole linear-ion-trap mass spectrometry. And the article contained the following:

Veterinary drugs are widely used to improve the health and growth of livestock. The supervision of these residues is necessary to ensure food safety. A high-throughput method based on Oasis PRiME HLB with solid phase extraction for simultaneous qual. and quant. anal. of 155 veterinary drugs in livestock foods was developed by the ultra-high performance liquid chromatog. tandem quadrupole linear-ion-trap mass spectrometry (UHPLC-QTRAP-MS). The limits of detection and quantification ranged from 0.5 μg/kg to 5 μg/kg and 2 μg/kg to 20 μg/kg, resp. For over 85% of the analytes, the recoveries were between 60% and 120%. The pos. simulated samples perfectly matched with a purity fit value over 70% from the self-built library. The screening results of UHPLC-QTRAP-MS were almost consistent with UHPLC tandem quadrupole-exactive orbitrap mass spectrometry (UHPLC-Q-Exactive Orbitrap/MS). The evaluated UHPLC-QTRAP-MS method was powerful and reliable for the screening and quantification of veterinary drugs in real samples. The experimental process involved the reaction of N-((4-Aminophenyl)sulfonyl)acetamide(cas: 144-80-9).Application of 144-80-9

The Article related to livestock food veterinary drug ultra high performance liquid chromatog, livestock foods, multi-residue analysis, qualitative screening, quantitative analysis, ultra-high performance liquid chromatography tandemquadrupole linear-ion-trap mass spectrometry, veterinary drugs and other aspects.Application of 144-80-9

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

On March 22, 2021, Hu, Zhiyong; Wei, Xiao-Jing; Handelmann, Jens; Seitz, Ann-Katrin; Rodstein, Ilja; Gessner, Viktoria H.; Goossen, Lukas J. published an article.SDS of cas: 685-91-6 The title of the article was Coupling of Reformatsky reagents with aryl chlorides enabled by ylide-functionalized phosphine ligands. And the article contained the following:

The coupling of aryl chlorides with Reformatsky reagents is a desirable strategy for the construction of α-aryl esters but has so far been substantially limited in the substrate scope due to many challenges posed by various possible side reactions. This limitation has now been overcome by the tailoring of ylide-functionalized phosphines to fit the requirements of Negishi couplings. Record-setting activities were achieved in palladium-catalyzed arylations of organozinc reagents with aryl electrophiles using a cyclohexyl-YPhos ligand bearing an ortho-tolyl-substituent in the backbone. This highly electron-rich, bulky ligand enables the use of aryl chlorides in room temperature couplings of Reformatsky reagents. The reaction scope covers diversely functionalized arylacetic and arylpropionic acid derivatives Aryl bromides and chlorides can be converted selectively over triflate electrophiles, which permits consecutive coupling strategies. The experimental process involved the reaction of N,N-Diethylacetamide(cas: 685-91-6).SDS of cas: 685-91-6

The Article related to aryl ester synthesis steric hindrance natural product drug, reformatsky reagent negishi coupling aryl chloride ylide phosphine ligand, arylation catalyst palladium aryl bromide chloride, reformatsky reagent, aryl chlorides, cross-coupling, phosphine ligands, selectivity and other aspects.SDS of cas: 685-91-6

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Mao, Yu; Liu, Yeqing; Yu, Lei; Ni, Shengyang; Wang, Yi; Pan, Yi published an article in 2021, the title of the article was Uranyl-catalysed C-H alkynylation and olefination.Product Details of 685-91-6 And the article contains the following content:

A strategy to utilize uranyl for direct alkynylation and olefination of amides was described. The uranyl cation (UO22+) was identified as a highly oxidizing agent to abstract hydrogen atoms from C-H bonds for the formation of carbon-centered radicals. The photoexcitation of uranyl cations provides a range of carbon-centered radicals via hydrogen atom transfer, which can be successfully applied in cross-coupling reactions with a broad range of alkynyl and alkenyl bromides. The experimental process involved the reaction of N,N-Diethylacetamide(cas: 685-91-6).Product Details of 685-91-6

The Article related to amide bromoalkyne uranyl catalyst regioselective alkynylation, alkynyl amide preparation, alkenylbromide amide uranyl catalyst regioselective alkenylation, alkenyl amide preparation, allylbromide amide uranyl catalyst regioselective allylation, allyl amide preparation and other aspects.Product Details of 685-91-6

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

On February 28, 2018, Sapegin, Alexander; Kalinin, Stanislav; Angeli, Andrea; Supuran, Claudiu T.; Krasavin, Mikhail published an article.Recommanded Product: 97-09-6 The title of the article was Unprotected primary sulfonamide group facilitates ring-forming cascade en route to polycyclic [1,4]oxazepine-based carbonic anhydrase inhibitors. And the article contained the following:

4-Chloro-3-nitrobenzenesulfonamide reacted cleanly at room-temperature with a range of bis-electrophilic phenols bearing an NH-acidic functionality (secondary carboxamide or pyrazole) in the ortho-position. This produced a novel class of [1,4]oxazepine-based primary sulfonamides which exhibited strong inhibition of therapeutically relevant human carbonic anhydrases. 2-Chloronitrobenzene did not enter a similar cyclocondensation process, even under prolonged heating. Thus, the primary sulfonamide functionality plays a dual role by enabling the [1,4]oxazepine ring construction and acting as a enzyme prosthetic zinc-binding group when the resulting [1,4]oxazepine sulfonamides are employed as carbonic anhydrase inhibitors. The experimental process involved the reaction of 3-Nitro-4-chlorobenzenesulfonamide(cas: 97-09-6).Recommanded Product: 97-09-6

The Article related to oxazepine primary sulfonamide preparation human carbonic anhydrase inhibitor, carbonic anhydrase inhibitors, electron-withdrawing group, isoform-selectivity, nucleophilic aromatic substitution, primary sulfonamide, reactivity-matched substrates, smiles rearrangement and other aspects.Recommanded Product: 97-09-6

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics