Category: 102-07-8

On May 1, 2020, Yoo, Kwangho; Lee, Jooyeon; Park, Myung Hwan; Kim, Youngjo; Kim, Hyun Jin; Kim, Min published an article.Formula: C13H12N2O The title of the article was Ir-Catalyzed C-H Amidation Using Carbamoyl Azides for the Syntheses of Unsymmetrical Ureas. And the article contained the following:

An iridium-catalyzed C-H amidation for the syntheses of unsym. urea was developed using carbamoyl azides (R(R’)N-C(O)-N3) as the nitrogen source. A combination of iridium and silver gave an active catalyst for C-N bond formation. A variety of urea derivatives were synthesized using carbamoyl azides with only dinitrogen byproducts. Finally, the use of the transient directing group strategy with carbamoyl azides extended the substrate scope of the catalytic C-H amidation to yield aldehyde-containing unsym. ureas. The experimental process involved the reaction of 1,3-Diphenylurea(cas: 102-07-8).Formula: C13H12N2O

The Article related to carbamoyl azide benzamide directing group iridium silver catalyst amidation, unsym urea preparation, General Organic Chemistry: Synthetic Methods and other aspects.Formula: C13H12N2O

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

On March 29, 2022, Matsutani, Takanari; Aoyama, Kotaro; Moriuchi, Toshiyuki published an article.Electric Literature of 102-07-8 The title of the article was Oxovanadium(V)-Catalyzed Synthesis of Ureas from Disilylamines and Carbon Dioxide under Ambient Pressure. And the article contained the following:

Here, a com. available easy-to-handle oxovanadium(V) compound is demonstrated to serve as an efficient catalyst for the synthesis of ureas RNHC(O)NHR (R = n-hexyl, cyclohexyl, Ph, PhCH2CH2, etc.) from disilylamines RN(SiMe3)2 and carbon dioxide under ambient pressure. The catalytic activation of carbon dioxide proceeds without any additives, demonstrating a broad substrate scope and easy scalability to validate this catalytic activation of carbon dioxide. This catalytic system can be applied to the synthesis of unsym. ureas and chiral urea with retention of chirality. The experimental process involved the reaction of 1,3-Diphenylurea(cas: 102-07-8).Electric Literature of 102-07-8

The Article related to urea preparation, amine disilyl preparation carbonylation carbon dioxide oxovanadium catalyst, General Organic Chemistry: Synthetic Methods and other aspects.Electric Literature of 102-07-8

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

On January 31, 2022, Bardakova, Kseniia N.; Kholkhoev, Bato Ch.; Farion, Ivan A.; Epifanov, Evgenii O.; Korkunova, Olga S.; Efremov, Yuri M.; Minaev, Nikita V.; Solovieva, Anna B.; Timashev, Peter S.; Burdukovskii, Vitaliy F. published an article.Name: 1,3-Diphenylurea The title of the article was 4D Printing of Shape-Memory Semi-Interpenetrating Polymer Networks Based On Aromatic Heterochain Polymers. And the article contained the following:

Most of the presently known thermosensitive shape-memory polymers suitable for 4D printing have insufficient mech. strength and thermal stability that restricts their potential areas of application. Here, new photosensitive compositions (PSCs) based on aromatic heterochain polymers – poly-N,N’-(m-phenylene)isophthalamide (MPA) or poly-2,2′-(p-oxydiphenylene)-5,5′-dibenzimidazole (OPBI) – for DLP printing are proposed. Thermal post-curing and supercritical carbon dioxide (scCO2) are used for post-processing of the structures. During the scCO2 treatment the removal of unreacted monomeric component (N,N-dimethylacrylamide) and its uncrosslinked oligomers is accompanied by the preservation of the initial degree of crosslinking. The more stable shrinkage is observed for the combined post-processing method (T°+scCO2) in the case of OPBI-PSC and after the heat treatment for MPA-PSC specimens. The method of post-processing and the nature of the heterochain polymer strongly affect the mech. properties and thermal resistance of the structures. The tensile strength has the maximum value after the thermal post-treatment (101.1 ± 7.1 and 78.4 ± 5.1 MPa of OPBI-PSC and MPA-PSC, resp.). The intense destruction of the materials is observed at 393 and 408°C for MPA-PSC and OPBI-PSC, resp. Moreover, the 4D-printed structures exhibit excellent shape memory performance at transition temperatures >100°C, thus have a great potential for the use in aerospace, robotics, sensorics. The experimental process involved the reaction of 1,3-Diphenylurea(cas: 102-07-8).Name: 1,3-Diphenylurea

The Article related to polybenzimidazole semi interpenetrating polymer network shape memory property, Plastics Fabrication and Uses: Plastic Product Uses and other aspects.Name: 1,3-Diphenylurea

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

On February 21, 2020, McKay, Alasdair I.; Altalhi, Weam A. O.; McInnes, Lachlan E.; Czyz, Milena L.; Canty, Allan J.; Donnelly, Paul S.; O’Hair, Richard A. J. published an article.Application of 102-07-8 The title of the article was Identification of the Side Products That Diminish the Yields of the Monoamidated Product in Metal-Catalyzed C-H Amidation of 2-Phenylpyridine with Arylisocyanates. And the article contained the following:

The Ru(II)-catalyzed amidation of 2-arylpyridines with aryl isocyanates via C-H bond activation is less efficient than described previously, due to the formation of a series of side products, which were readily identified using direct infusion electrospray mass spectrometry and high-performance liquid chromatog.-mass spectrometry. The experimental process involved the reaction of 1,3-Diphenylurea(cas: 102-07-8).Application of 102-07-8

The Article related to aryl pyridylbenzamide preparation, phenylpyridine arylisocyanate amidation ruthenium catalyst, Heterocyclic Compounds (One Hetero Atom): Pyridines and other aspects.Application of 102-07-8

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

On January 31, 2022, Bardakova, Kseniia N.; Kholkhoev, Bato Ch.; Farion, Ivan A.; Epifanov, Evgenii O.; Korkunova, Olga S.; Efremov, Yuri M.; Minaev, Nikita V.; Solovieva, Anna B.; Timashev, Peter S.; Burdukovskii, Vitaliy F. published an article.Name: 1,3-Diphenylurea The title of the article was 4D Printing of Shape-Memory Semi-Interpenetrating Polymer Networks Based On Aromatic Heterochain Polymers. And the article contained the following:

Most of the presently known thermosensitive shape-memory polymers suitable for 4D printing have insufficient mech. strength and thermal stability that restricts their potential areas of application. Here, new photosensitive compositions (PSCs) based on aromatic heterochain polymers – poly-N,N’-(m-phenylene)isophthalamide (MPA) or poly-2,2′-(p-oxydiphenylene)-5,5′-dibenzimidazole (OPBI) – for DLP printing are proposed. Thermal post-curing and supercritical carbon dioxide (scCO2) are used for post-processing of the structures. During the scCO2 treatment the removal of unreacted monomeric component (N,N-dimethylacrylamide) and its uncrosslinked oligomers is accompanied by the preservation of the initial degree of crosslinking. The more stable shrinkage is observed for the combined post-processing method (T°+scCO2) in the case of OPBI-PSC and after the heat treatment for MPA-PSC specimens. The method of post-processing and the nature of the heterochain polymer strongly affect the mech. properties and thermal resistance of the structures. The tensile strength has the maximum value after the thermal post-treatment (101.1 ± 7.1 and 78.4 ± 5.1 MPa of OPBI-PSC and MPA-PSC, resp.). The intense destruction of the materials is observed at 393 and 408°C for MPA-PSC and OPBI-PSC, resp. Moreover, the 4D-printed structures exhibit excellent shape memory performance at transition temperatures >100°C, thus have a great potential for the use in aerospace, robotics, sensorics. The experimental process involved the reaction of 1,3-Diphenylurea(cas: 102-07-8).Name: 1,3-Diphenylurea

The Article related to polybenzimidazole semi interpenetrating polymer network shape memory property, Plastics Fabrication and Uses: Plastic Product Uses and other aspects.Name: 1,3-Diphenylurea

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

On February 21, 2020, McKay, Alasdair I.; Altalhi, Weam A. O.; McInnes, Lachlan E.; Czyz, Milena L.; Canty, Allan J.; Donnelly, Paul S.; O’Hair, Richard A. J. published an article.Application of 102-07-8 The title of the article was Identification of the Side Products That Diminish the Yields of the Monoamidated Product in Metal-Catalyzed C-H Amidation of 2-Phenylpyridine with Arylisocyanates. And the article contained the following:

The Ru(II)-catalyzed amidation of 2-arylpyridines with aryl isocyanates via C-H bond activation is less efficient than described previously, due to the formation of a series of side products, which were readily identified using direct infusion electrospray mass spectrometry and high-performance liquid chromatog.-mass spectrometry. The experimental process involved the reaction of 1,3-Diphenylurea(cas: 102-07-8).Application of 102-07-8

The Article related to aryl pyridylbenzamide preparation, phenylpyridine arylisocyanate amidation ruthenium catalyst, Heterocyclic Compounds (One Hetero Atom): Pyridines and other aspects.Application of 102-07-8

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

On June 21, 2021, Gruendler, Franziska; Scholz, Henrik; Herbig, Marcus; Schwarzer, Sandra; Wagler, Jorg; Kroke, Edwin published an article.Formula: C13H12N2O The title of the article was Formation of Aromatic O-Silylcarbamates from Aminosilanes and Their Subsequent Thermal Decomposition with Formation of Isocyanates. And the article contained the following:

A novel phosgene-free route to different isocyanates starts from CO2 and aminosilanes (cf. silylamines) to form so-called carbamoyloxysilanes (O-silylcarbamates), i. e., compounds with the general motif R1R2N-CO-O-SiR3R4R5 as potential precursors. The authors focused on the insertion reaction of CO2 into Si-N bonds of substrates with cyclic (mostly aromatic) amine substituents, i. e., PhNHSiMe3, (PhNH)2SiMe2, PhCH2NHSiMe3, p-(MeO)C6H4NHSiMe3, o-C6H4(NHSiMe3)2, 1,2-C6H10(NHSiMe3)2, o-C6H4(NHSiMe3)(CH2NHSiMe3) and 1,8-C10H6(NHSiMe3)2. Compared to previously studied aminosilanes these reactions are hindered due to the reduced nucleophilicity/basicity of the N-atoms. Whereas slightly increased CO2 pressure (8 bar) and prolonged reaction times (24 h) were sufficient to overcome hindrance of the insertion into, e. g., PhNHSiMe3, intermol. effects in some 2-fold NHSiMe3 functionalized substrates led to partial mono-insertion (e. g., into o-C6H4(NHSiMe3)(CH2NHSiMe3)) or intra-mol. condensation of the intermediate insertion product in case of 1,8-C10H6(NHSiMe3)2 to form 1H-perimidin-2(3H)-one and other side products. Thermal treatment of mono-silylated O-silylcarbamates RHN-CO-O-SiR’3 resulted mainly in the formation of substituted ureas (RHN)2CO, whereas desired isocyanates could not be detected in these cases. Therefore, the authors continued the authors’ studies focussing on N,O-bissilylated precursors, which were obtained by an addnl. N-silylation of the O-silylated carbamates. This allowed the successful formation of isocyanates. As a sole byproduct hexamethyldisiloxane is formed. In all cases, known as well as yet unknown substances were characterized by 1H, 13C and 29Si NMR spectroscopy, along with x-ray diffraction anal. for crystallized solids. The experimental process involved the reaction of 1,3-Diphenylurea(cas: 102-07-8).Formula: C13H12N2O

The Article related to aminosilane insertion reaction carbon dioxide, aromatic silylcarbamate preparation crystal structure, mol structure aromatic silylcarbamate, Organometallic and Organometalloidal Compounds: Silicon Compounds and other aspects.Formula: C13H12N2O

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

On June 19, 2020, Sandler, Isolde; Larik, Fayaz Ali; Mallo, Neil; Beves, Jonathon E.; Ho, Junming published an article.Quality Control of 1,3-Diphenylurea The title of the article was Anion Binding Affinity: Acidity versus Conformational Effects. And the article contained the following:

High-level quantum chem. calculations were used to elucidate the gas- and solution-phase conformational equilibrium for a series of sym. substituted (thio)ureas, (thio)squaramides, and croconamides. Gas-phase calculations predict that the thermodn. conformer of many of these anion receptors is not the dual-hydrogen-bond-facilitating anti-anti conformer as is commonly assumed. For N,N’-diaryl thiosquaramides and croconamides, the syn-syn conformer is typically the predominant conformer. Solution-phase calculations show that the anti-anti conformer is increasingly stabilized as the polarity of the solvent increases. However, the syn-syn conformer remains the lowest energy conformation for croconamides. These predictions are used to explain the acidity vs. chloride binding affinity correlations recently reported for some of these compounds The chloride binding constants for thioureas and croconamides are significantly lower than expected on the basis of their pKa values, and this may be due in part to the need for these receptors to reorganize into the anti-anti conformer. Exptl. NMR nuclear Overhauser effect (NOE) measurements of an asym. substituted squaramide and its thio analog are consistent with the syn-syn conformation being predominant at 298 K. The conformational equilibrium should therefore be an important consideration for the design and development of future anion receptors and organocatalysts. The experimental process involved the reaction of 1,3-Diphenylurea(cas: 102-07-8).Quality Control of 1,3-Diphenylurea

The Article related to urea thiourea squaramide thiosquaramide croconamide, receptor anion binding affinity acidity conformational effect, Physical Organic Chemistry: Other Reactions, Processes, and Spectra and other aspects.Quality Control of 1,3-Diphenylurea

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

On January 31, 2020, Liang, Bin; Yun, Hui; Kong, Deyong; Ding, Yangcheng; Li, Xiangkai; Vangnai, Alisa S.; Wang, Aijie published an article.Quality Control of 1,3-Diphenylurea The title of the article was Bioaugmentation of triclocarban and its dechlorinated congeners contaminated soil with functional degraders and the bacterial community response. And the article contained the following:

Partial removal of haloarom. antimicrobial triclocarban (TCC) during wastewater treatment caused the final introduction of residual TCC into soils. Bioaugmentation has been proposed for the biodegradation of TCC and its dechlorinated congeners 4,4′-dichlorocarbanilide (DCC) and carbanilide (NCC) in soil. The isolated TCC-degrading strain Ochrobactrum sp. TCC-2 and chloroanilines-degrading strain Diaphorobacter sp. LD72 were used to study the removal efficiency of TCC, DCC and NCC mixture and their chloroanilines intermediates, resp. The potential degradation competition between TCC and its dechlorinated congeners, and the response of bacterial community during the bioremediation were also investigated. The biodegradation of DCC and TCC was significantly enhanced for soil with inoculums compared with sterilized and natural soils. Chloroanilines products could also be effectively removed. For the degradation of combined substrates in the aqueous medium, NCC had neg. effect on the degradation of TCC and DCC, while TCC and DCC neg. influenced each other. The bioaugmentation with two degraders obviously changed the phylogenetic composition and function of indigenous soil microbiome. Importantly, the inoculated degraders could be maintained, suggesting their adaptability and potential application in bioaugmentation for such recalcitrant contaminants. This study offers new insights into the enhanced bioremediation of TCC and its dechlorinated congeners contaminated soils by the bioaugmentation of functional degraders and the structure and function response of the indigenous soil microbiome to the bioremediation process. The experimental process involved the reaction of 1,3-Diphenylurea(cas: 102-07-8).Quality Control of 1,3-Diphenylurea

The Article related to bioaugmentation triclocarban bacterial community wastewater treatment, bioaugmentation, chloroanilines, dechlorinated congeners, soil bioremediation, triclocarban, Waste Treatment and Disposal: Biological Treatment Of Aqueous Wastes and other aspects.Quality Control of 1,3-Diphenylurea

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

On February 21, 2020, Nanda, Tanmayee; Ravikumar, P. C. published an article.Quality Control of 1,3-Diphenylurea The title of the article was A Palladium-Catalyzed Cascade C-C Activation of Cyclopropenone and Carbonylative Amination: Easy Access to Highly Functionalized Maleimide Derivatives. And the article contained the following:

We describe herein the first report on palladium-catalyzed C-C bond activation of cyclopropenone and concomitant carbonylative amination to produce maleimides. The interesting aspect of this reaction is that the sacrificial elimination of carbon monoxide from the substrate is efficiently recaptured by one of the intermediates in the catalytic cycle for the formation of maleimides. 18O isotopic studies confirmed that the source of carbon monoxide is from cyclopropenone. The experimental process involved the reaction of 1,3-Diphenylurea(cas: 102-07-8).Quality Control of 1,3-Diphenylurea

The Article related to palladium catalyzed cascade decarbonylation carbonylative amination cyclopropenone, maleimide synthesis, Heterocyclic Compounds (One Hetero Atom): Pyrroles and Pyrrolizines and other aspects.Quality Control of 1,3-Diphenylurea

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