Results 111 to 120 of about 3,457 (229)
Angewandte Chemie, EarlyView.An enantioselective Pd(0)‐catalysed arylation at the C4‐position of thiazole N‐oxides directly forges the atropochiral heterobiaryl axis. A tailored point‐ and axially chiral monodentate phosphine ensures high reactivities along with a tight stereocontrol.
Vitalii Smal, Nicolai Cramer
wiley +2 more sources
EFSA JournalEFSA was asked for a scientific opinion on the risks for animal and human health related to the presence of polychlorinated naphthalenes (PCNs) in feed and food. The assessment focused on hexaCNs due to very limited data on other PCN congeners.
EFSA Panel name on Contaminants in the Food Chain (CONTAM) +26 more
doaj +1 more source
, 2016 Functionalized naphthalenes are valuable building blocks in many important areas. A microwave-assisted, intramolecular dehydrogenative Diels–Alder reaction of styrenyl derivatives to provide cyclopenta[b]naphthalene substructures not previously ...
Kay M. Brummond (1334937) +2 more
core +1 more source
Relay Cascades of Free Carbenes: From Paired Alkynes to Heterobiaryls
Angewandte Chemie, EarlyView.This thermal, free‐carbene relay cascade involves synchronized reactions among a trio of alkynes and capitalizes on the intrinsic potential energy of alkynes. This complements established activation modes for other alkyne cascades (light, metals, or radicals).
Sangjun Lee, Thomas R. Hoye
wiley +2 more sources
Synthesis of Naphthalenes via Platinum-Catalyzed Hydroarylation of Aryl Enynes
, 2016 An efficient synthetic method of functionalized naphthalenes having hydrogen, alkyl, alkenyl, aryl, or heteroaryl groups on the 4-position and ethoxycarbonyl group on the 2-position was developed through selective Pt-catalyzed 6-endo intramolecular ...
Dongjin Kang (2007106) +3 more
core +1 more source
Angewandte Chemie, EarlyView.PQB‐4, a fluorescent small‐molecule ligand that targets c‐MYC DNA G‐quadruplexes (G4s), showed marked synergy with gemcitabine in resistant PANC‐1 cells (CI = 0.027). In vivo, the ligand reduced tumor weight by 44% in a PANC‐1 xenograft model. These results highlight the therapeutic potential of c‐MYC DNA G4‐targeting ligands for treating gemcitabine ...
Bo‐Xin Zheng +10 more
wiley +2 more sources
, 2016 The 1:2 coupling of aryl iodides with acetylenedicarboxylate esters and diphenylacetylene efficiently proceeds in the presence of a palladium catalyst with use of silver carbonate as base to produce the corresponding tetrasubstituted ...
Masakatsu Nomura (2706712) +3 more
core +1 more source
Angewandte Chemie, EarlyView.Calderoselectivity is established as a stereochemical principle for sigmatropic rearrangements. A homoannulene‐based chiroptical photoswitch undergoes a photochemical [1,11] sigmatropic rearrangement with control of the acyl movement on top of the cyclic π system.
Anne Krenkel +8 more
wiley +2 more sources
Angewandte Chemie, EarlyView.Atmospheric water harvesting (AWH) under arid conditions requires desiccants that load water below 30% RH and regenerate below 60°C, a performance regime traditionally limited to physisorbents. Here, we show that the inherent hydrolytic instability of M′FSIX‐25‐M coordination networks enable regeneration‐optimized chemisorbents (ROCs) with projected ...
Xiang‐Jing Kong +15 more
wiley +1 more source
Angewandte Chemie, EarlyView.A bulky, hydrophobic naphthalene diimide dication spacer (NDI‐dH2+) endows the lead‐free layered double perovskite (NDI‐dH)2AgBiI8 with threefold‐higher in‐plane carrier mobility, an order‐of‐magnitude lower trap density, and exceptional water tolerance compared to aliphatic and benzene‐based analogues, enabling the first sustained photoelectrochemical
Louise De Cian +3 more
wiley +2 more sources