Category: 685-91-6

On September 5, 2018, Kirilova, E. M.; Puckins, A. I.; Romanovska, E.; Fleisher, M.; Belyakov, S. V. published an article.Product Details of 685-91-6 The title of the article was Novel amidine derivatives of benzanthrone: Effect of bromine atom on the spectral parameters. And the article contained the following:

Several new substituted amidine derivatives of benzanthrone were synthesized by condensation reaction from 2-bromo-3-aminobenzo[de]anthracen-7-one and appropriate aromatic or aliphatic amides. The novel benzanthrone derivatives were characterized by TLC anal., NMR, IR, MS, UV/Vis, and fluorescence spectroscopy. The obtained derivatives have yellow or orange fluorescence in organic solvents. The solvent effect on photophys. behaviors of these dyes was investigated, and the results showed that the introduction of a bromine atom causes a blue-shift of the absorption and emission bands and decrease in the fluorescent quantum yield in comparison with unbromated analogs. The difference in the excited state and the ground state dipole moments was estimated by using the variation of Stokes shift and by semiempirical mol. calculations The crystal structure and packing of four novel dyes has been revealed by the X-ray single crystal structure anal. The experimental process involved the reaction of N,N-Diethylacetamide(cas: 685-91-6).Product Details of 685-91-6

The Article related to bromoaminobenzanthrone aliphatic amide condensation, benzanthrone amidine derivative preparation dye fluorescence crystal mol structure, benzanthrone dyes, crystal structure, dipole moment, fluorescence, solvatofluochromism and other aspects.Product Details of 685-91-6

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

On May 31, 2017, Kamila, Mritunjoy; Cosquer, Goulven; Breedlove, Brian K.; Yamashita, Masahiro published an article.Related Products of 685-91-6 The title of the article was Packing structure effects on the slow magnetic relaxation pathways of dysprosium (III) complexes. And the article contained the following:

Three complexes, [Dy{5-(5-methylthiophen-2-yl)-2,2′-bipyridine}(hfac)3] (6), [Dy{5-(4-bromo-5-methylthiophen-2-yl)-2,2′-bipyridine}(hfac)3] (7) and [Dy{5-(4-ethynyl-5-methylthio-phen-2-yl)-2,2′-bipyridine}(hfac)3] (8) (hfac = hexafluoroacetylacetate), were synthesized to investigate the effects of substituents on the ligand far from the metal ion on the magnetic properties of the dysprosium ion. 7 crystallized in two polymorphs (P21/n for 7a and P21/a for 7b), whereas 6 and 8 crystallized in one polymorph (P21/n and P21/a, resp.). All of the complexes have columnar structures, and in 6 and 7a, there are π-π stacking interactions between neighboring aromatic rings in contrast to compounds 7b and 8, which do not show such interactions. Every complex underwent slow magnetic relaxation with a single relaxation time, except for complex 7a, for which there were two relaxation times. In order to clarify the role of distal substitution and crystal packing, the magnetic properties were studied in solution, where all of the complexes show single relaxation times. The experimental process involved the reaction of N,N-Diethylacetamide(cas: 685-91-6).Related Products of 685-91-6

The Article related to magnetic property susceptibility single mol magnet dysprosium bipyridine thiophenyl, luminescence lifetime dysprosium bipyridine thiophenyl complexes, crystal structure dysprosium bipyridine thiophenyl complex preparation and other aspects.Related Products of 685-91-6

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

Zhou, Jiadi; Ren, Quanlei; Xu, Ning; Wang, Chaodong; Song, Shengjie; Chen, Zhi; Li, Jianjun published an article in 2021, the title of the article was K2S2O8-catalyzed highly regioselective amidoalkylation of diverse N-heteroaromatics in water under visible light irradiation.SDS of cas: 685-91-6 And the article contains the following content:

A K2S2O8-catalyzed versatile C(sp2)-C(sp3) bond formation with N-heteroaromatics and γ-lactams/amides was developed. Quinoxalin-2(1H)-one, quinoline, isoquinoline, phthalazine, and benzothiazole reacted with γ-lactams/amides to give the corresponding C(sp2)-H amidoalkylation products in moderate to good yields with high regioselectivity. This visible-light-induced photocatalyst-free reaction was conducted in H2O at ambient temperature, which comply with the principles of “green chem.”. The new K2S2O8 catalytic mechanism was investigated with control experiments The experimental process involved the reaction of N,N-Diethylacetamide(cas: 685-91-6).SDS of cas: 685-91-6

The Article related to lactam azaarene potassium persulfate catalyst regioselective photochem amidoalkylation, amide azaarene potassium persulfate catalyst regioselective photochem amidoalkylation, amidoalkyl azaarene preparation green chem and other aspects.SDS of cas: 685-91-6

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

Wan, Zhaohua; Wang, Dan; Yang, Zixuan; Zhang, Heng; Wang, Shengchun; Lei, Aiwen published an article in 2020, the title of the article was Electrochemical oxidative C(sp3)-H azolation of lactams under mild conditions.Related Products of 685-91-6 And the article contains the following content:

An electrochem. oxidative direct C(sp3)-H azolation of lactams was reported under metal catalyst-free and external chem. oxidant-free conditions. This electrochem. C(sp3)-H/N-H coupling was characterized by its broad substrate scope of azoles and lactams under mild conditions at room temperature Mechanistic studies suggested that the reaction possibly involves a radical process. Moreover, the site selectivity was explained by DFT calculations More meaningfully, a gram-scale synthesis method of flow electrochem. was employed to show the scaled-up applicability of this transformation. The experimental process involved the reaction of N,N-Diethylacetamide(cas: 685-91-6).Related Products of 685-91-6

The Article related to azole lactam electrochem oxidative azolation, azolyl lactam preparation, amide azole electrochem oxidative azolation, amido azole preparation, pyrazole urea electrochem oxidative azolation, pyrazolyl urea preparation and other aspects.Related Products of 685-91-6

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

On December 21, 2018, Jang, Yoon Kyung; Krueckel, Tobias; Rueping, Magnus; El-Sepelgy, Osama published an article.Formula: C6H13NO The title of the article was Sustainable Alkylation of Unactivated Esters and Amides with Alcohols Enabled by Manganese Catalysis. And the article contained the following:

In the presence of a bench-stable manganese pincer complex of a PNN ligand, acetamides and tert-Bu acetate underwent chemoselective and green monoalkylation with primary alcs. to yield amides and tert-Bu esters. Under similar conditions, alkylation of N-methyloxindole with benzyl alc. yielded 3-benzyl-3-hydroxy-N-methyloxindole. The experimental process involved the reaction of N,N-Diethylacetamide(cas: 685-91-6).Formula: C6H13NO

The Article related to amide ester chemoselective green preparation, hydroxyoxindole preparation, manganese pincer complex catalyst alkylation acetamide acetate primary alc, oxindole alkylation hydroxylation benzyl alc manganese pincer complex catalyst and other aspects.Formula: C6H13NO

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

Jin, Gaowa; Liu, Yanming; Yang, Fan; Yu, Dongping; Yan, Jingyu; Zhou, Weijia; Guo, Zhimou; Zhu, Jianhua; Liang, Xinmiao published an article in 2018, the title of the article was Synthesis and chromatographic evaluation of phenyl/tetrazole bonded stationary phase based on thiol-epoxy ring opening reaction.Recommanded Product: 685-91-6 And the article contains the following content:

A silica-based reversed-phase stationary phase bonding with Ph and tetrazole groups was synthesized by thiol-epoxy ring opening reaction. The bonded groups could not only provide hydrophobic interaction, but also π-π, hydrogen bonding, electrostatic interactions, and so on. The results of characterization with elemental anal. and solid-state 13C cross-polarization magic-angle-spinning NMR spectroscopy indicated the successful preparation of phenyl/tetrazole sulfoether bonded stationary phase. Chromatog. evaluation revealed that phenyl/tetrazole sulfoether bonded stationary phase behaved well under the reversed-phase mode. The column parameters (H, S*, A, B, and C) showed different selectivity compared with some typical com. columns, and it was validated by the separation of estrogen, ginsenoside, alkaloid samples. Based on the different selectivity between phenyl/tetrazole sulfoether bonded stationary phase and C18 columns, phenyl/tetrazole sulfoether bonded stationary phase also showed potential to construct a 2D reversed-phase liquid chromatog. system with C18. And it was verified by the separation of corydalis tuber and curcuma zedoary extracts The experimental process involved the reaction of N,N-Diethylacetamide(cas: 685-91-6).Recommanded Product: 685-91-6

The Article related to chromatog phenyl tetrazole bonded stationary thiol epoxy ring opening, reversed-phase liquid chromatography, stationary phases, thiol-epoxy ring opening reaction, traditional chinese medicine, two-dimensional liquid chromatography and other aspects.Recommanded Product: 685-91-6

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

On August 2, 2019, Gao, Qinghe; Han, Xinya; Tong, Peiyuan; Zhang, Zhiang; Shen, Haotian; Guo, Yanrong; Bai, Suping published an article.Related Products of 685-91-6 The title of the article was Aerobic α,β-C(sp3)-H Bond Difunctionalization and C-N Bond Cleavage of Triethylamine: Difunctional Ammonium Iodide Enabling the Regioselective Synthesis of 4-Arylpyrimido[1,2-b]indazoles. And the article contained the following:

A novel method for the regioselective synthesis of 4-arylpyrimido[1,2-b]indazoles has been developed via the dual C(sp3)-H bond functionalization and C-N bond cleavage of triethylamine. The elusive acyclic enamine intermediates are effectively in situ generated and captured by aromatic aldehydes to form a wide array of tricyclic products from 3-aminoindazoles under the NH4I-mediated aerobic oxidative conditions. This reaction features easily available feedstock, green and economic conditions, and valuable products. The experimental process involved the reaction of N,N-Diethylacetamide(cas: 685-91-6).Related Products of 685-91-6

The Article related to arylpyrimidoindazole regioselective synthesis difunctional ammonium iodide, aromatic aldehyde aminoindazole reaction acyclic enamine intermediate, aerobic carbon hydrogen bond difunctionalization carbon nitrogen cleavage triethylamine and other aspects.Related Products of 685-91-6

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

Compain, Guillaume; Sikk, Lauri; Massi, Lionel; Gal, Jean-Francois; Dunach, Elisabet published an article in 2017, the title of the article was Bond Strength and Reactivity Scales for Lewis Superacid Adducts: A Comparative Study with In(OTf)3 and Al(OTf)3.Recommanded Product: N,N-Diethylacetamide And the article contains the following content:

Metal triflates, often called Lewis superacids, are potent catalysts for organic synthesis. However, the reactivity of a given Lewis superacid toward a given base is difficult to anticipate. A systematic screening of catalysts is often necessary when developing synthetic methodologies. Presented herein is the development of quant. reactivity and bond strength scales by using mass spectrometry (MS). By applying a collision-induced dissociation (CID) technique to the adducts formed between Lewis superacids Al(OTf)3 or In(OTf)3 with amides bases, including monodentate and bidentate ligands, different dissociation pathways were observed Quant. relative energy scales were established by performing energy-resolved mass spectrometry (ERMS) anal. on the adducts. ERMS of the adducts affords a bond strength scale when the fragmentation leads to the loss of a ligand, and reactivity scales when the dissociation leads to the C-F bond activation of one triflate anion or the deprotonation of the ligand. Al(OTf)3 was found to bind stronger to amides than In(OTf)3 and to provide the most reactive adducts. The experimental process involved the reaction of N,N-Diethylacetamide(cas: 685-91-6).Recommanded Product: N,N-Diethylacetamide

The Article related to bond strength scale lewis superacid adduct indium triflate aluminum, reactivity scale lewis superacid adduct indium triflate aluminum, lewis superacids, amide bases, bond strength scale, collision-induced dissociation, reactivity scale and other aspects.Recommanded Product: N,N-Diethylacetamide

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 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