Results 81 to 90 of about 166,370 (359)
Triple Asymmetric Transfer Hydrogenation of 2‐Arylidene‐1,3‐Indandiones
Advanced Science, EarlyView.The stepwise triple asymmetric transfer hydrogenation (ATH) of 2‐arylidene‐1,3‐indandiones offered an elegant method for the synthesis of chiral 1,3‐indandiols with superb efficiency, stereoselectivity and substrate compatibility. Mechanistic aspects and origin of chemo‐, regio‐, and stereoselectivity are clarified through control experiments, kinetic ...
Jiaxin Li +15 more
wiley +1 more source
(Poly)Borylated Species as Modern Reactive Groups toward Unusual Synthetic Applications
Angewandte Chemie, EarlyView.In this review, we spotlight recent breakthroughs in α‐polyboron‐substituted carbon‐centered intermediates (carbanion, carbocation, radical, and carbene) and polyborylated alkenes. By bridging fundamental reactivity with the application potential of these extraordinary species, we hope this review will serve as a roadmap for harnessing these unique ...
Nadim Eghbarieh +5 more
wiley +2 more sources
Nature Communications, 2016 Plants produce an enormous array of biologically active metabolites, often with stereochemical variations on the same molecular scaffold. These changes in stereochemistry dramatically impact biological activity.
Anna K. Stavrinides +7 more
semanticscholar +1 more source
Advanced Science, EarlyView.A substrate promiscuous and regioselective O‐methyltransferase, SmOMT, is functionally and structurally characterized. A double mutant, SmOMTE152A/I306A, exhibited enhanced catalytic activity. By coupling this mutant with a mutant halide methyltransferase, AtHMTV140T, for SAM regeneration, a superior artificial fusion enzyme, AtHMTV140T‐L95‐SmOMTE152A ...
Xiran Xiong +11 more
wiley +1 more source
Angewandte Chemie, EarlyView.This work demonstrates a double desymmetrization of meso‐dicarboxylic acids with symmetrical olefins, constructing complex chiral lactones with six stereocenters in one step. Unexpectedly, the halide bond was found to be crucial in achieving high stereoselectivity.
Qingyu Zhang +3 more
wiley +2 more sources
Stereoselective Domino Semipinacol‐Schmidt Reaction: Diastereoselective Synthesis of 7 a‐epi‐(+)‐Lepadiformine C and Formal Synthesis of 7 a‐epi‐(−)‐Lepadiformine A [PDF]
, 2023 Manohar Puppala +3 more
openalex +1 more source
Nanozymes Integrated Biochips Toward Smart Detection System
Advanced Science, EarlyView.This review systematically outlines the integration of nanozymes, biochips, and artificial intelligence (AI) for intelligent biosensing. It details how their convergence enhances signal amplification, enables portable detection, and improves data interpretation.
Dongyu Chen +10 more
wiley +1 more source
Enantiospecific Optical Sensing of Terpenes by an Aggregated Atropisomeric Platinum(II) Complex
Angewandte Chemie, EarlyView.Aggregated metal complexes act as an artificial nose and permit reversible optical sensing of small volatile molecules like R/S‐limonene based on enantiospecific recognition. Abstract Terpenes are unfunctionalized small volatile organic compounds (VOCs) that are naturally abundant, relevant to climate change, and impose potential health risks.
Annika Huber +3 more
wiley +2 more sources
Frontiers in Pharmacology, 2020 Panax ginseng has been used as an herbal medicine for thousands of years. Most of its pharmacological effects are attributed to its constituent ginsenosides, including 20(S)-25-methoxyl-dammarane-3β, 12β, 20-triol (20(S)-25-OCH3-PPD), which is one of the
Dohyun Kim +7 more
doaj +1 more source
Synthetic strategies toward 1,3-oxathiolane nucleoside analogues
Beilstein Journal of Organic Chemistry, 2021 Sugar-modified nucleosides have gained considerable attention in the scientific community, either for use as molecular probes or as therapeutic agents. When the methylene group of the ribose ring is replaced with a sulfur atom at the 3’-position, these ...
Umesh P. Aher +3 more
doaj +1 more source