Tag: M.W=50-100

Cheng, Hai-Hsuan published the artcileEffects of copper on biological treatment of NMF- and MDG-containing wastewater from TFT-LCD industry, SDS of cas: 123-39-7, the main research area is wastewater copper methylformamide methyl diglycol; Copper inhibition; Copper-to-biomass ratio; Nitrification.

This study aimed to evaluate the effects of copper on N-methylformamide (NMF)- and Me diglycol (MDG)-containing wastewater treatment using batch experiments and a lab-scale anoxic-oxic (A/O) sequencing batch reactor (SBR). Batch exptl. results indicated that aerobic degradation of NMF followed Monod-type kinetics. Copper inhibition on nitrification also followed Monod-type inhibition kinetics with copper-to-biomass ratio instead of copper concentration Specific degradation rates of NMF and MDG under both aerobic and anoxic conditions decreased in the matrix of full-scale wastewater, and high copper dosage would further reduce the degradation rates. In the long-term presence of 0.5 mg/L copper, the A/O SBR could maintain stable and complete degradations of NMF and MDG, 95% of COD removal, and more than 50% of total nitrogen (TN) removal. High concentrations of copper spikes, including 40 mg/L and 110 mg/L, slowed down degradation rates for both NMF and MDG, but did not affect COD and TN removal efficiencies in the full 24 h-cycle operation. The long-term A/O SBR operation revealed that daily dosage of 0.5 mg/L copper was not detrimental to NMF/MDG degradations due to regularly wasting sludge, but 110 mg/L of copper spike obviously reduced NMF/MDG degradation rate although it could be recovered later by regularly wasting sludge and maintaining SRT at 20 days.

Chemosphere published new progress about Biological wastewater treatment, biological sequencing batch reactor. 123-39-7 belongs to class amides-buliding-blocks, name is N-Methylformamide, and the molecular formula is C2H5NO, SDS of cas: 123-39-7.

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

Fan, Pei published the artcileNickel/Photo-Cocatalyzed C(sp2)-H Allylation of Aldehydes and Formamides, Formula: C2H5NO, the main research area is unsaturated ketone amide preparation stereoselective; aldehyde formamide allyl acetate alc allylation nickel photocatalyst.

Herein, a nickel/photo-cocatalyzed C(sp2)-H allylation of aldehydes and formamides wherein both allyl acetates and allyl alcs. can be used as the allylating agents is reported. In this reaction, radical-type umpolung of the formyl moiety is enabled by tetrabutylammonium decatungstate as a hydrogen-atom-transfer photocatalyst, whereas nickel serves to cleave the C-O bond of allyl acetates or allyl alcs. The synergistic effect of these two catalysts provides new access to various β,γ-unsaturated ketones and amides with high selectivities.

Organic Letters published new progress about Acetates Role: RCT (Reactant), RACT (Reactant or Reagent) (allyl). 123-39-7 belongs to class amides-buliding-blocks, name is N-Methylformamide, and the molecular formula is C2H5NO, Formula: C2H5NO.

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

Vala, Manoj Kumar published the artcileThe synthesis of phenyl carbamates catalyzed by iron(II) bromide: An oxidative approach for cross-coupling of phenols with formamides, Application In Synthesis of 123-39-7, the main research area is phenyl carbamate preparation green chem; phenol formamide cross coupling iron bromide catalyst.

The carbamate group is a key structural motif in many approved drugs and pro-drugs. There is increasing use of carbamates in the medicinal chem. and agrochem. industry. The authors present reagents and chem. methodologies for the synthesis of carbamates and recent applications. The direct coupling of simple phenols with mono- and di-alkyl formamides provided the phenylcarbamate products.

Synthetic Communications published new progress about Carbamates Role: SPN (Synthetic Preparation), PREP (Preparation). 123-39-7 belongs to class amides-buliding-blocks, name is N-Methylformamide, and the molecular formula is C2H5NO, Application In Synthesis of 123-39-7.

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

Khachatrian, Artashes A. published the artcileEffect of cation structure on the formation of hydrogen bond between ionic liquids and solute molecules, Formula: C2H5NO, the main research area is cation structure formation hydrogen bond ionic liquid solute mol.

In this work, we have studied the thermochem. of the hydrogen bond formation between ionic liquids and solute mols. The solution enthalpies of several organic compounds (benzene, acetone, 3-picoline dimethylsulfoxide, formamide, N-methylformamide, acetamide, N-methylacetamide) in the series of ionic liquids with common anion bis(trifluoromethanesulfonyl)imide and different cations (1-butyl-3-methylimidazolium [BMIM][NTf2], 1-butyl-1-methylpyrrolidinium [BMPYR][NTf2], 1-butylpyridinium [BPY][NTf2], 1-butyl-1-methylpiperidinium [BMPIP][NTf2], trimethylpropylammonium [TMPAm][NTf2]) were measured by solution calorimetry at infinite dilution The enthalpies of hydrogen bond between solutes and ionic liquids were determined by the previously proposed approach. The hydrogen bond enthalpies were correlated with the proton acceptor ability of ionic liquids from the Kamlet-Abboud-Taft equation and the proton donor ability of amides from the Abraham model. The proton donor ability and hydrogen bond reorganization of studied ionic liquids was analyzed. The formation of the hydrogen bond complexes of linear amides with ionic liquids with different compositions was shown. The effect of the ionic liquid structure on the strength of the hydrogen bond of linear amides with ionic liquids has been established.

Journal of Molecular Liquids published new progress about Amides Role: PEP (Physical, Engineering or Chemical Process), PROC (Process). 123-39-7 belongs to class amides-buliding-blocks, name is N-Methylformamide, and the molecular formula is C2H5NO, Formula: C2H5NO.

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

Sikorski, Patryk published the artcileSolid-liquid equilibria in systems consisting of potassium pseudohalides and amides, Recommanded Product: N-Methylformamide, the main research area is potassium pseudohalide amide solid liquid equilibrium.

Within the framework of this research, we measured solid-liquid equilibrium diagrams of binary systems of potassium thiocyanate or potassium selenocyanate in {formamide, or N-methylformamide, or N,N-dimethylformamide} as functions of temperature, using the cloud-point and DSC techniques over the full concentration range. The temperatures varied approx. between 220 and 450 K. As a next step, we determined limited solubility data for the potassium cyanate with {formamide or N-methylformamide}. We then correlated the data by the thermodn. solubility equations with the solute activity coefficients represented by the Redlich-Kister model. Finally, we proceeded to calculate the coordinates of the invariant points, and discussed the observed phenomena.

Journal of Molecular Liquids published new progress about Amides Role: PEP (Physical, Engineering or Chemical Process), PROC (Process). 123-39-7 belongs to class amides-buliding-blocks, name is N-Methylformamide, and the molecular formula is C2H5NO, Recommanded Product: N-Methylformamide.

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

Dudko, Volodymyr published the artcileOsmotic delamination: Forceless alternative for production of nanosheets now in highly polar and aprotic solvents, Name: N-Methylformamide, the main research area is osmotic delamination nanosheet polar aprotic solvent.

Repulsive osmotic delamination is thermodynamically allowed “”dissolution”” of two-dimensional (2D) materials and therefore represents an attractive alternative to liquid-phase exfoliation to obtain strictly monolayered nanosheets with an appreciable aspect ratio with quant. yield. However, osmotic delamination was so far restricted to aqueous media, severely limiting the range of accessible 2D materials. Alkali-metal intercalation compounds of MoS2 or graphite are excluded because they cannot tolerate even traces of water. We now succeeded in extending osmotic delamination to polar and aprotic organic solvents. Upon complexation of interlayer cations of synthetic hectorite clay by crown ethers, either 15-crown-5 or 18-crown-6, steric pressure is exerted, which helps in reaching the threshold separation required to trigger osmotic delamination based on translational entropy. This way, complete delamination in water-free solvents like aprotic ethylene and propylene carbonate, N-methylformamide, N-methylacetamide, and glycerol carbonate was achieved.

Langmuir published new progress about Alkali metals Role: TEM (Technical or Engineered Material Use), USES (Uses). 123-39-7 belongs to class amides-buliding-blocks, name is N-Methylformamide, and the molecular formula is C2H5NO, Name: N-Methylformamide.

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

Srinivasulu, A. published the artcileCopper-Catalyzed N-Alkyl Formamide Activation: Tandem Oxidative Coupling Approach for the Construction of C-N and C-O Bonds to Synthesize 3-Alkyl-1,3-Benzoxazine-2,4-Dione and 4-Methylene-3-Alkyl-1,3-Benzoxazine-2-One Derivatives, Application of N-Methylformamide, the main research area is alkyl benzoxazine dione preparation; salicyaldehyde alkyl formamide activation tandem oxidative coupling copper catalyst; methylene alkyl dihydrobenzoxazineone preparation; hydroxy acetophenone alkyl formamide activation tandem oxidative coupling copper.

Synthesis of 3,4-dihydro-2H-benzo[e][1,3]oxazin-2-ones I [R = Me, Et; R1= H, 6-Me, 7-OMe, etc.; X = O, CH2] via N-alkyl formamide activation by using copper/oxidant system via tandem oxidative coupling with salicyaldehydes/hydroxy acetophenones constructing C-N/C-O bond was reported. This protocol elucidated a method for the synthesis of pharmaceutically interested 3-alkyl-1,3-benzoxazine-2,4-dione and 1,3-methylene-3-alkyl-benzoxazine-2-one derivatives without the aid of toxic chems. such as phosgene or its derivatives

Advanced Synthesis & Catalysis published new progress about Acetophenones Role: RCT (Reactant), RACT (Reactant or Reagent) (o-hydroxy). 123-39-7 belongs to class amides-buliding-blocks, name is N-Methylformamide, and the molecular formula is C2H5NO, Application of N-Methylformamide.

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

Perry, Carolina Trindade published the artcileAmides as cryoprotectants for the freezing of Brycon orbignyanus sperm, Safety of N-Methylformamide, the main research area is Brycon sperm freezing amide cryoprotectant.

The objective of this study was to evaluate the use of different amides as an alternative for the cryopreservation of sperm from the endangered species, Bryconorbignyamus, an important fish for aquaculture in Brazil. The cryoprotectants which were combined with Beltsville Thawing Solution extender, each at the concentrations of 2.5%, 5%, 7.5%, and 10%, were as follows: (1) dimethylacetamide (DMA), (2) DMF (DMF), and (3) methylformamide (MF). The cyoprotectant methylglycol (MG, 10%) was used as a control group. Therefore, 13 treatment groups were performed. In order to assess DNA fragmentation index, lipid peroxidation, cell integrity, integrity of plasma membrane, membrane fluidity, mitochondrial functionality, and reactive oxygen species, flow cytometry was used. The best results were obtained with 7.5% DMF, among all the amides tested, with sperm motility (66%) significantly higher than the other cryoprotectants evaluated (P < .05). It also exhibited high membrane integrity (84.5%) and cell integrity (98.7%), and low membrane fluidity (20.3%) (P < .05). MG (10%) exhibited only 38% motility, lower mitochondrial protection (39.8%), and higher DNA fragmentation index (0.07), despite the high membrane integrity observed (85.6%). The DMF concentration of 7.5% demonstrated greater protection of sperm function and cellular structure, and is therefore recommended for the cryopreservation of B. orbignyamus spermatozoa. Aquaculture published new progress about Amides Role: BSU (Biological Study, Unclassified), BIOL (Biological Study). 123-39-7 belongs to class amides-buliding-blocks, name is N-Methylformamide, and the molecular formula is C2H5NO, Safety of N-Methylformamide.

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

Ding, Wenwu published the artcileCharacterization of volatile compounds between industrial closed fermentation and traditional open fermentation doubanjiang-meju, Application of N-Methylformamide, the main research area is alc ester volatile compound doubanjiang meju closed open fermentation.

Doubanjiang-meju has been used as an intermediate for producing Pixian Douban (PXDB) and contributes significantly to its flavor. In this study, a profiling anal. of volatile compounds in open fermented doubanjiang-meju (OFD) and closed fermented doubanjiang-meju (CFD) was performed with gas chromatog.-mass spectrometry (GC-MS) and gas chromatog.-olfactometry (GC-O). A total of 42 and 50 volatile compounds were identified in the OFD and CFD, resp. Compared with the OFD, more diversity and higher concentrations of alcs. and esters were found in the CFD. Ten and 12 volatile compounds were finally identified as the major aroma-active compounds in the OFD and CFD, resp., by the combined anal. of aroma intensity values and odor activity values (OAVs). The CFD had significantly stronger umami and soy sauce flavor but weaker beany when compared with the OFD (p < 0.05) by quant. descriptive anal. (QDA), which were basically consistent with intensity values of aroma compounds obtained with GC-O. The results indicated that the CFD had better characteristics of volatile compounds than those of the OFD, which provided a basis of further study for the closed fermentation process of tank fermenter. European Food Research and Technology published new progress about Acids Role: BSU (Biological Study, Unclassified), BIOL (Biological Study). 123-39-7 belongs to class amides-buliding-blocks, name is N-Methylformamide, and the molecular formula is C2H5NO, Application of N-Methylformamide.

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

Xu, Xu-Dong published the artcileMetal-Free Regioselective Radical Cyclization of 1,6-Enynes with Carbonyl Compounds, Product Details of C2H5NO, the main research area is enyne carbonyl regioselective radical cyclization.

A regioselective cyclization of 1,6-enynes is reported by a tert-Bu hydroperoxide (TBHP)-mediated, one-pot, cascade reaction with com. available carbonyl compounds under metal- and additive-free conditions. The reaction scope includes both 1,6-enynes and carbonyl compounds A possible cascade reaction mechanism, consisting of acyl radical addition, intramol. cyclization, and hydrogen abstraction, is proposed.

ACS Sustainable Chemistry & Engineering published new progress about Alkenynes Role: RCT (Reactant), RACT (Reactant or Reagent) (1,6-Enynes). 123-39-7 belongs to class amides-buliding-blocks, name is N-Methylformamide, and the molecular formula is C2H5NO, Product Details of C2H5NO.

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