Nickel-catalysed P–H/C–CN cross coupling reactions take place efficiently under mild reaction conditions affording the corresponding sp²C–P bonds. This transformation provides a convenient method for preparation of both arylphosphines and arylphosphine oxides from readily available P–H compounds arylnitriles.

Because of the unique properties and wide applications, continuing efforts have been devoted to developing simpler cleaner methods for synthesis organophosphorus compounds. Recently, transition metal-catalysed dehydrogenative coupling has emerging as one powerful methodologies constructing chemical bonds. Herein, we highlight recent progress in preparation compounds via couplings P(O)H with Z-H

Zinc oxide-modified tourmaline-based negative ion polyester fiber (ZnO/TM/PET), as a new functional with excellent emission characteristics, is of great significance to human health, and its industrial application needs be expanded promoted. In this paper, using zinc oxide, tourmaline, polyethylene terephthalate the main raw materials, ZnO/TM/PET 5% ZnO/TM composites was prepared. Then, it blended cotton interknitted wool yarn spandex yarn, from which we developed five kinds...

A Ni-catalyzed hydrogenation of C–O compounds with sodium formate is developed. Various esters, <italic>i.e.</italic> aryl, alkenyl, benzyl pivalates, and even the aryl ethers, were efficiently reduced a loading nickel catalysts down to 0.5 mol%.

An anti‐counterfeiting fiber with spectral fingerprint characteristics (named spectrum‐fingerprint fiber) is a novel functional made of rare‐earth luminescent material and fiber‐forming polymer, as main raw materials, combined transparent inorganic pigments additives by melt‐spinning process. In order to explain more about the security principle fiber, several kinds fibers were prepared using strontium aluminate polymers such PET, PP PA6 matrix combining them study their emission spectra...

Eight yeast strains were isolated from jujube fruit surfaces collected in Shanxi and Shandong Provinces, China. All eight produced needle-shaped ascospores under suitable conditions. Three separate groups, representing three novel species the genus Metschnikowia, recognized by sequence comparisons of 26S rDNA D1/D2 domain internal transcribed spacer (ITS) region. The names Metschnikowia sinensis sp. nov. (type strain XY103(T)=AS 2.3110(T)=CBS 10357(T)), zizyphicola XY201(T)=AS 2.3111(T)=CBS...

Using zinc oxide (ZnO), tourmaline (TM), and polyethylene terephthalate (PET) as main raw materials, a novel ZnO/TM/PET negative ion functional fiber was created. The rheological properties of masterbatch were investigated; the morphology, XRD, FT-IR fibers observed; mechanical properties, thermal release new tested. results showed that average particle size ZnO/TM composite is nearly 365 nm, with an increase in emission efficiency by 50% compared to original TM. apparent viscosity decreases...

Agrobacterium tumefaciens has been widely used in plant genetic transformation. Hormone-encoding genes residing the T-DNA region have removed, resulting disarmed strains that are various transformation experiments. Nopaline strains, however, carry another hormone gene, trans-zeatin synthesizing (tzs), codes for virulence of tumor-inducing plasmids. We investigated activity and function tzs gene a nopaline sp. strain GV3101 vitro regeneration. Leaf explants tobacco Nicotiana benthamiana...

In order to further explain the changing mechanism of emission spectral characteristics spectrum‐fingerprint anti‐counterfeiting fiber and promote development various product types fiber, in this research, several kinds were prepared by using rare‐earth strontium aluminate as luminescent material, fiber‐forming polymer including PET, PP, PA6 matrix. The effect matrix on excitation spectra was investigated detail. results showed that materials distributed randomly, phase structure them not...

A novel and efficient <italic>t</italic>-BuOK-mediated reductive addition of P(O)–H compounds to terminal alkynes forming β-arylphosphine oxides was developed. This reaction may proceed <italic>via</italic> a tandem process involving regio-selective subsequent transfer hydrogenation.

Heavy metal contamination is a serious concern worldwide. In order to remove heavy ions from wastewater efficiently, multifunctinoal biomass-based material have been utilized. Herein, hyperbranched polymer modified cellulose biomass (HBP-CB) derived textile waste materials ramie fibers was successfully developed by construction of Fe 3 O 4 /SiO 2 /polymer multiple structure through an etch-fill strategy. Specifically, and SiO particles were introduced the oxidation etching surface,...

A t-BuONa-mediated C-OH/P(O)-H cross dehydration coupling to produce alkylphosphine oxides is developed. This reaction employed readily available alcohols and P(O)-H compounds as the starting materials, providing an efficient alternative method for constructing sp3 C-P bonds. reasonable path involving subsequent regio-selective hydrophosphorylation of resulting alkenes was proposed.

Advanced research on improving the performance of conductive polymer composites is essential to exploring their potential in various applications. Thus, this study, electrical conductivity multilayer nanofibre membranes composed polyvinyl alcohol (PVA) with different electroconductive fillers content including zinc oxide (ZnO), multiwalled carbon nanotubes (MWNTs), and Ferro ferric (Fe3O4), were produced via electrospinning. The tensile property monolayer explored. results showed that PVA 2...

In order to find out the light color mixing mechanism of rare earth luminescent materials used in anti-counterfeiting fibers, we prepared three kinds according RGB tri-primary color, and mixed it together form different mixtures certain proportion. The phase structures material monomers were measured by x-ray diffractometer. photochromic properties tested analyzed fluorescence spectrophotometer. results show that was consistent with blending principle additive but not same because materials,...

This study aimed to develop a safe and advanced antibacterial material of electrospun microfiber membranes (MFMs) for wound dressings. Combinations several materials were investigated; thermal treatment electrospinning techniques used form the best quality MFMs suit its end applications. By comparing fiber morphology, diameter changes, fracture strength, suitable ratio raw obtained before after adding Trition X-100 as surfactant sodium alginate/polyvinyl alcohol/polyethylene oxide...

Open AccessCCS ChemistryRESEARCH ARTICLES2 Aug 2022Assessing Dual Rh/Ru Cascade Catalysts in One-Pot Homogeneous Synthesis of Ethanol from Syngas and Methanol Ji-Shu Zhang†, Ya-Fei Jiang†, Fanfu Guan, Shaoke Zhang, Cong-Qiao Xu, Shao-Tao Bai, Jialin Wen, Jun Li Xumu Zhang Zhang† Department Chemistry, Southern University Science Technology, Shenzhen 518055 Guangdong Provincial Key Laboratory Catalysis, , Jiang† Guan Xu Bai Academy for Advanced Interdisciplinary Studies, Wen *Corresponding...

A novel spectrum-fingerprint anti-counterfeiting fiber was developed by using Sr2ZnSi2O7:Eu2+,Dy3+ and polyacrylonitrile (PAN) as main raw materials wet spinning. The microstructure, phase structure spectral properties of the were studied SEM, XRD Fluorescence spectrophotometer. results show that Sr2ZnSi2O7:Eu2+,Dy3+/PAN has similar luminescence characteristics to those Sr2ZnSi2O7:Eu2+,Dy3+, excitation wavelength which is near 360 nm strongest emission peak 470 nm. Although addition amounts...