Results 101 to 110 of about 98,935 (295)

Synthesis and characterization of novel graft copolymers by radiation induced grafting [PDF]

, 2010
The radiation-induced graft copolymerization of N-vinyl-2-pyrrolidone (NVP), 4-vinyl pyridine (4VP), 2-vinyl pyridine (2VP) monomers onto poly (ethylene-alt-tetrafluoroethylene) (ETFE) was investigated.
Alkan Gürsel, Selmiye, Işıkel Şanlı, Lale   +1 more
core   +2 more sources

Identification of Active Phase for Selective Oxidation of Benzyl Alcohol with Molecular Oxygen Catalyzed by Copper-Manganese Oxide Nanoparticles

Journal of Chemistry, 2013
Catalytic activity of copper-manganese mixed oxide nanoparticles (Cu/Mn = 1 : 2) prepared by coprecipitation method has been studied for selective oxidation of benzyl alcohol using molecular oxygen as an oxidizing agent.
Roushown Ali, S. F. Adil, Abdulrahman Al-warthan, M. Rafiq H. Siddiqui   +3 more
doaj   +1 more source

A Ca(II) Coordination Polymer of 2-Carboxybenzaldehyde: Synthesis, Crystal Structure, and Catalytic Activity in Oxidation of Benzyl Alcohol

Crystals, 2018
The coordination polymers constructed by carboxylate ligand have shown novel structures and excellent properties. Therefore, a new Ca(II) coordination polymer with 2-carboxybenzaldehyde ligand, [Ca(L)2(H2O)2]n (L = 2-carboxybenzaldehyde), has been ...
Xi-Shi Tai, Qian-Qin Guo, Peng-Fei Li, Li-Li Liu   +3 more
doaj   +1 more source

Organoaluminium complexes derived from Anilines or Schiff bases for ring opening polymerization of epsilon-caprolactone, delta-valerolactone and rac-lactide [PDF]

, 2017
Reaction of R¹R²CHN=CH(3,5-tBu₂C₆H₂-OH-2) (R¹ = R² = Me L¹H; R¹ = Me, R² = Ph L²H; R¹ = R2 = Ph L³H) with one equivalent of R³3Al (R³ = Me, Et) afforded [(L¹-³)AlR³₂] (L¹, R³ = Me 1, R³ = Et 2; L², R³ = Me 3, R³ = Et 4; L³ R³ = Me 5, R³ = Et 6); complex ...
Al-Khafaj, Yahya, Al-Khafaji, Yahya, Elsegood, Mark, Elsegood, Mark R. J., Elsegood, Mark R.J., Mo, Shangyan, Mo, Shanyan, Prior, Timothy, Prior, Timothy J., Redshaw, Carl, Wang, X., Wang, Xue, Zhao, K.-Q., Zhao, Ke-Qing   +13 more
core   +3 more sources

Novel "green" catalysts for controlled ring-opening polymerization of lactide [PDF]

, 2010
Syntéza polylaktidu (PLA) polymerací za otevření kruhu cyklického monomeru (ROP) může být uskutečněna různými způsoby. Literatura uvádí více než 100 katalytických systémů, jejichž pomocí lze polylaktid a jiné biodegradabilní alifatické polyestery získat.
Surman, František
core  

Comparative metabolome and transcriptome revealed the CpODO1 transcription factor controlling the varied floral scent traits of three wintersweet cultivars

Horticultural Plant Journal
Wintersweet (Chimonanthus praecox), a well-known fragrant flowering shrub, is extensively planted for ornamental purpose and production of floral essential oil.
Yubing Yong, Qi Zhou, Xin Ding, Jianming Cheng, Chengcheng Zhou, Zhiguo Shen, Lin Zhang   +6 more
doaj   +1 more source

Oxalates as Activating Groups for Alcohols in Visible Light Photoredox Catalysis: Formation of Quaternary Centers by Redox-Neutral Fragment Coupling. [PDF]

, 2015
Alkyl oxalates are new bench-stable alcohol-activating groups for radical generation under visible light photoredox conditions. Using these precursors, the first net redox-neutral coupling of tertiary and secondary alcohols with electron-deficient ...
Jamison, Christopher R, MacMillan, David WC, Nawrat, Christopher C, Overman, Larry E, Slutskyy, Yuriy   +4 more
core  

NUCLEAR MAGNETIC RESONANCE THE GELLED PRODUCT OF CANNIZZARO REACTION

Avances en Ciencias e Ingeniería, 2015
The paper presents the nuclear magnetic resonance (NMR) of proton 1H, carbon 13C and two dimensional spectrums, product of a green organic synthesis of redox on the Cannizzaro reaction.
Lilia Fernández-Sánchez, Mirella Gutiérrez-Arzaluz, María de la Luz Soto-Téllez, Leonardo Hernández-Martínez, Elpidio Corral-López   +4 more
doaj  

Research on synthesis of microwave‐assisted heterocyclic compounds with eco‐friendly solvents and transition metals via C–H activation

Bulletin of the Korean Chemical Society, EarlyView.
This review summarizes microwave‐assisted transition‐metal catalysis for constructing N‐ and O‐heterocycles, highlighting rapid C–H and pre‐activated C–X activation, improved selectivity, and green synthetic efficiency. Abstract Microwave‐assisted organic synthesis provides a rapid and sustainable platform for synthesizing various heterocycles ...
Woo‐Jin Park, Ye Ri Han, Hyejeong Lee
wiley   +1 more source

Efficient conversion of aromatic and phenylpropanoid alcohols to acids by the cascade biocatalysis of alcohol and aldehyde dehydrogenases

Synthetic and Systems Biotechnology
Benzyl and phenylpropanoid acids are widely used in organic synthesis of fine chemicals, such as pharmaceuticals and condiments. However, biocatalysis of these acids has received less attention than chemical synthesis.
Zetian Qiu, Xiaohui Liu, Jie Yu, Yushuo Zhao, Guang-Rong Zhao, Shengying Li, Kun Liu, Lei Du, Li Ma   +8 more
doaj   +1 more source