Results 31 to 40 of about 514,259 (292)

Advanced green synthesis: Solvent-free and catalyst-free reaction

Green Synthesis and Catalysis
The solvent-free and catalyst-free (SFCF) reaction has garnered significant interest among chemists due to its alignment with many of the 12 principles of green chemistry.
Meng-Yao Li, Ao Gu, Jiatong Li, Yingbin Liu   +3 more
doaj   +1 more source

Solvent Free Synthesis of Chalcones and their Antibacterial Activities

E-Journal of Chemistry, 2005
The solvent free synthesis of six chalcones was carried out by grinding the piperanal and the acetophenone (unsubstituted, 4-methyl, 4-methoxy, 4-bromo, 4-nitro, 3-chloro) in the presence of solid sodium hydroxide with a mortar and pestle.
K. Rajendra K. Saini, S. Amit Choudhary, Yogesh. C. Joshi, P. Joshi   +3 more
doaj   +1 more source

Carboxymethyl cellulose as a green and biodegradable catalyst for the solvent-free synthesis of benzimidazoloquinazolinone derivatives

Journal of Saudi Chemical Society, 2019
Carboxymethyl cellulose (CMC) was used as an efficient, and environmentally friendly catalyst for the solvent-free three-component synthesis of quinazolinone derivatives by condensation of 2-aminobenzimidazole, dimedone or 1,3-cyclohexanedione, and ...
Maryam Karimi, M.R. Naimi-Jamal
doaj   +1 more source

Single crystals of DPPH grown from diethyl ether and carbon disulfide solutions - Crystal structures, IR, EPR and magnetization studies [PDF]

, 2010
Single crystals of the free radical 2,2-diphenyl-1-picrylhydrazyl (DPPH) obtained from diethyl ether (ether) and carbon disulfide (CS2) were characterized by the X-ray diffraction, IR, EPR and SQUID magnetization techniques. The X-ray structural analysis
Allen, Boris Rakvin, Boucherle, Chirkov, Dalal, Damir Pajić, Dijana Žilić, Duffy, Duffy, Duffy, Farrugia, Itterbeek, Kahn, Kiers, Kikuchi, Krešimir Molčanov, Krešo Zadro, Krzystek, Macrae, Marijana Jurić, Mattar, Nakamoto, Pavica Planinić, Rakvin, Rakvin, Rakvin, Sheldrick, Silverstein, Singer, Spek, Swarup, Weil, Weil, Williams, Williams, Yordanov   +35 more
core   +2 more sources

Sickle Cell Disease Is an Inherent Risk for Asthma in a Sibling Comparison Study

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Sickle cell disease (SCD) and asthma share a complex relationship. Although estimates vary, asthma prevalence in children with SCD is believed to be comparable to or higher than the general population. Determining whether SCD confers an increased risk for asthma remains challenging due to overlapping symptoms and the ...
Suhei C. Zuleta De Bernardis, Okeleji Olayinka, Mariam Z. Quraishi, Lakshmi V. Srivaths, Deborah L. Brown, Neethu M. Menon, Ricardo A. Mosquera, Ashwin P. Patel, James M. Stark, Aravind Yadav   +9 more
wiley   +1 more source

Invariom-model refinement and Hirshfeld surface analysis of well-ordered solvent-free dibenzo-21-crown-7 [PDF]

, 2017
Crown ethers and their supra­molecular derivatives are well-known chelators and scavengers for a variety of cations, most notably heavier alkali and alkaline-earth ions.
Kohl, Julia, Wiedemann, Dennis
core   +1 more source

Pazopanib Combined With Vincristine and Irinotecan in Relapsed Wilms Tumor: Encouraging Outcomes in a Heavily Pretreated Pediatric Cohort

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background While Wilms tumor (WT) typically has a favorable prognosis, relapsed cases—especially those with high‐risk histology—remain therapeutically challenging after intensive frontline therapy. The combination of vincristine and irinotecan has demonstrated activity in pediatric solid tumors, and pazopanib, a multi‐targeted tyrosine kinase ...
Maria Debora De Pasquale, Alessandro Crocoli, Giuseppe Maria Milano, Pierluigi Di Paolo, Francesca Diomedi Camassei, Ida Russo, Annalisa Serra   +6 more
wiley   +1 more source

Reacciones asimétricas organocatalizadas en ausencia de disolvente: una estrategia para hacer más “verde” la organocatálisis

Educación Química, 2018
Solvent-free asymmetric organocatalyzed reactions: a strategy towards a greener organocatalysis According with the principles of “green” chemistry, asymmetric organocatalysis aims to become a sustainable strategy to catalyze a wide range of chemical ...
José G. Hernández, Eusebio Juaristi
doaj   +1 more source

Controllable selective exfoliation of high-quality graphene nanosheets and nanodots by ionic liquid assisted grinding

, 2012
Bulk quantities of graphene nanosheets and nanodots have been selectively fabricated by mechanical grinding exfoliation of natural graphite in a small quantity of ionic liquids.
Blackley, Ross, Li, Meixian, Lubarsky, Gennady, McNeill, David W., Papakonstantinou, Pagona, Quinn, Aidan J., Shang, Nai Gui, Sharma, Surbhi, Zhou, Wuzong   +8 more
core   +1 more source

Metal-free sp(3) C-H functionalization: a novel approach for the syntheses of selenide ethers and thioesters from methyl arenes [PDF]

, 2014
A DTBP-promoted metal-free and solvent-free formation of C-Se and C-S bonds through sp(3) C-H functionalization of methyl arenes with diselenides and disulfides is ...
Badsara, Satpal Singh, Hsieh, Ping-An, Lee, Chin-Fa, Liu, Yi-Chen, Liu, Yi-Wei, Lu, Shao-Yi, Zeng, Jing-Wen   +6 more
core   +1 more source