Results 181 to 190 of about 111,262 (332)

Thioxanthone: A Benchmark Photocatalyst for Organic Synthesis

open access: yesChemCatChem, EarlyView.
Thioxanthone is a highly versatile and effective organocatalyst for photochemical applications, with its low‐toxicity, metal‐free structure driving growing interest in sustainable photocatalysis. Building on our previous 2021 review, this update covers advances from 2021–2025 in thioxanthone‐based synthetic organic photochemistry – excluding ...
Vera P. Demertzidou   +2 more
wiley   +1 more source

Electrochemical Borylation of C−C and C−Het Bonds

open access: yesChemElectroChem, Volume 12, Issue 6, March 15, 2025.
Electrosynthesis enables the cleavage and borylation of C−C, C−N, C−O, and C−S bonds, representing a significant advancement in organic chemistry. This approach offers a metal‐free strategy for synthesizing organoboron compounds, which find extensive applications across synthetic chemistry, biomedicine, and materials science.
Tsoh Lam Cheung, Hairong Lyu
wiley   +1 more source

Visible Light‐Induced N‐Heterocyclic Nitrenium‐Catalyzed Deoxygenative Borylation of Acyl Chlorides

open access: yesChemistryEurope, EarlyView.
Herein, direct deoxygenative borylation of acyl chlorides is reported, which is an unknown but desirable chemical transformation. The N‐heterocyclic nitrenium ion has been utilized as the photocatalyst under mild reaction conditions to synthesize a series of alkylboronates using bis‐(catecholato)diboron (B2cat2) as the diboron reagent.
Rahul Mondal   +2 more
wiley   +1 more source

Development of an Efficient Stereoretentive Para‐Claisen‐Cope Rearrangement

open access: yesChemistryEurope, EarlyView.
The stereoretentive para‐Claisen‐Cope rearrangement enabled by Europium catalysis is presented, achieving precise phenol functionalization with exceptional chirality transfer under air‐ and moisture‐tolerant conditions. A novel carbonate unlocks superior enantioselectivity in the Tsuji‐Trost allylic alkylation, paving the way for highly enantioenriched
Johanna Breinsperger   +3 more
wiley   +1 more source

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