Results 101 to 110 of about 57,978 (298)
Advanced Intelligent Discovery, EarlyView.This research demonstrates that the combination of domain knowledge–based multiple regression, multi‐objective Bayesian optimization, and generative models is a suitable prediction tool for candidates of high refractive index polymers, even with the constraints in the model trained on limited data. The experimental validation can reproduce the proposed
Takuya Yokoo +3 more
wiley +1 more source
Angewandte Chemie, EarlyView.The successful extension of the nickel‐catalyzed asymmetric coupling of polarized 1,3‐dienes with aldehydes to an intramolecular setting opens an efficient new entry into hydroxylated N‐heterocyclic compounds, most notably valuable tetrahydroisoquinolines.
Thilo Bender +3 more
wiley +2 more sources
Sulfone-modified chitosan as selective adsorbent for the extraction of toxic Hg(II) metal ions
Adsorption Science & Technology, 2019 In this study, a new category of sulfone-modified chitosan derivatives as surface-selective adsorbents for the extraction of toxic Hg(II) metal has been synthesized in good yield.
Youssef O Al-Ghamdi +4 more
doaj +1 more source
Flavin Catalysts in Organic Synthesis
Angewandte Chemie, EarlyView.Flavins and their congeners are potent catalysts for organic synthesis inspired by enzymatic transformations. In addition to catalysis in the flavin ground state via covalent intermediates, the excited singlet and triplet states unlock applications including photooxidation, photoreduction, and energy transfer via sensitization.
Jan Freudenberg, Golo Storch
wiley +2 more sources
Difluoromethylenation of Alkynes: Streamlined Access to Allyl Difluorides
Angewandte Chemie, EarlyView.Stabilizing primary oxocarbenium in HF/pyridine unlocks a direct alkyne difluoromethylenation – an efficient route to synthetically‐relevant allyl difluorides in a single step. ABSTRACT A direct difluoromethylenation of alkynes has been developed using HF/pyridine as a dual acidic and fluorinating medium. The reaction proceeds via in situ generation of
Fabien Naullet +4 more
wiley +2 more sources
Organic photovoltaics show high promise as a technology for sustainable energy conversion. A prominent strategy to reduce the substantial energy loss of organic solar cells is to synthesize high-permittivity (high-ε) active layer materials.
Theresa Hartl (14524196) +8 more
core +1 more source
Cobalt‐Catalyzed [2σ+2π] Cycloaddition via Site‐Selective Capture of Bicyclobutane Diradical
Angewandte Chemie, EarlyView.We report a Co(II)‐catalyzed strategy that combines thermal activation of bicyclo[1.1.0]butane (BCBs) with site‐selective radical capture to furnish head‐to‐head fused bicyclo[2.1.1]hexanes via [2σ+2π] cycloaddition with indoles. Detailed mechanistic studies (31P NMR, EPR, CV, and DFT) support the catalytic pathway, while phosphine‐oxide trapping and X‐
Tanmayee Nanda +8 more
wiley +2 more sources
Bis[4-(2-hydroxyethylamino)phenyl] sulfone
Acta Crystallographica Section E, 2008 The title compound, C16H20N2O4S, exhibits a V-shape structure with a dihedral angle of 77.5 (11)° formed by the two benzenel rings. The molecular packing is stabilized by intramolecular and intermolecular hydrogen bonds as well as π–
Guo-Feng Chen +3 more
doaj +1 more source
In literature, dimethyl sulfoxide (DMSO) catalyzed bromination of arenes and heteroarenes is reported. In this study, simple, mild, and chemoselective N-bromosuccinimide (NBS) mediated monobromination of arenes and heteroarenes using butadiene sulfone as
Jadhav, HR, Sharma, A, Rudrawar, S
core +1 more source
Angewandte Chemie, EarlyView.Linker installation in PCN‐700 provides a unique platform for precisely modulating coordination environments within a crystalline framework. By enabling controlled incorporation of diverse linkers while maintaining structural integrity, PCN‐700 offers new opportunities to unravel the fundamental principles governing coordination chemistry, including ...
Zongsu Han, Jiatong Huo, Hong‐Cai Zhou
wiley +2 more sources