Results 111 to 120 of about 11,578 (241)

HALOGENATION: PART XXIII. HALOGENATION OF FLUOROBENZENE, o-, m-, AND p-FLUOROTOLUENES

open access: yes, 1944
Fluorobenzene, o-,m- and p-fluorotoluenes have been chlorinated, brominated and iodinated under different conditions as a result of which mixed halogen derivatives have been obtained by direct ...
K. S. VENKAT RAMAN   +2 more
core   +1 more source

Direct conversion of various phosphate sources to a versatile P-X reagent [TBA][PO2X2] via redox-neutral halogenation

open access: yesNature Communications
Inorganic phosphates hold significant potential as ideal natural building blocks, forming a fundamental basis for organic and biochemical synthesis.
Yaling Tian   +7 more
doaj   +1 more source

Synthesis and Reactivity of Extremely Electron‐Poor Au(III) Complexes Bearing OTf− or NTf2− Ligands

open access: yesChemistry – A European Journal, Volume 32, Issue 22, 9 June 2026.
A new family of electron‐poor Au(III) cations bearing bistriflimide or triflate ligands is reported. These cations can undergo direct C─H metalation with simple arenes to give mono‐aryl cations. Subsequent addition of simple halide sources allows for reductive elimination of aryl halides, formally from Ar─H and X−. ABSTRACT The synthesis and structural
Lachlan Barwise   +6 more
wiley   +1 more source

α-Bromodiazoacetamides – a new class of diazo compounds for catalyst-free, ambient temperature intramolecular C–H insertion reactions

open access: yesBeilstein Journal of Organic Chemistry, 2013
In this work, we introduce a new class of halodiazocarbonyl compounds, α-halodiazoacetamides, which through a metal-free, ambient-temperature thermolysis perform intramolecular C–H insertions to produce α-halo-β-lactams.
Åsmund Kaupang, Tore Bonge-Hansen
doaj   +1 more source

Electrophilic Iodination of Heterocyclic Compounds. Recent Advances 2008–2025: Part II

open access: yesEuropean Journal of Organic Chemistry, Volume 29, Issue 22, 9 June 2026.
Electrophilic iodination using molecular iodine and iodide sources represents an efficient approach for accessing valuable iodinated organic compounds. This review highlights recent advances in the iodination of heterocyclic compounds from 2008 to 2025, emphasizing the role of heteroaryl iodides as important synthetic intermediates for biologically ...
Njomza Ajvazi, Stojan Stavber
wiley   +1 more source

Regioselective Halogenation of 1,4-Benzodiazepinones via CH Activation

open access: yes, 2015
International audienceThis article reports an efficient CH activation process for regioselective halogenation of 1,4-benzodiazepinones. Direct halogenation with NXS (X = Br, I) affords halogenated benzodiazepinones on the central aromatic ring whereas ...
Cintrat, Jean-Christophe   +1 more
core   +1 more source

Light on the sustainable preparation of aryl-cored dibromides

open access: yesBeilstein Journal of Organic Chemistry
Both aryl and benzyl polybromides have gained significant importance as reactive building blocks in polymer and materials chemistry. Their preparation primarily relies on established synthetic methods using molecular bromine or N-bromosuccinimide, known ...
Fabrizio Roncaglia   +5 more
doaj   +1 more source

Synthesis of Novel Nitro-Halogenated Aryl-Himachalene Sesquiterpenes from Atlas Cedar Oil Components: Characterization, DFT Studies, and Molecular Docking Analysis against Various Isolated Smooth Muscles

open access: yesMolecules
We report the synthesis of two novel halogenated nitro-arylhimachalene derivatives: 2-bromo-3,5,5,9-tetramethyl-1-nitro-6,7,8,9-tetrahydro-5H-benzo[7]annulene (bromo-nitro-arylhimachalene) and 2-chloro-3,5,5,9-tetramethyl-1,4-dinitro-6,7,8,9-tetrahydro ...
Youssef Edder   +16 more
doaj   +1 more source

Recent advances in organic broad‐spectrum photodetection materials and devices

open access: yesInfoMat, Volume 8, Issue 6, June 2026.
This review systematically outlines the evolution of organic photodetectors from fullerene‐based to advanced non‐fullerene acceptors, highlighting how molecular engineering (e.g., D–A, quinoidal, and A‐D‐A′‐D‐A architectures) extends spectral response into the short‐wave infrared region.
Yilin Zhao   +3 more
wiley   +1 more source

Halogenation. Part X. Iodination of Xylenes and Mono-iodoxylenes.

open access: yes, 1935
Halogenation. Part X.
K. S. VENKAT RAMAN, PHULDEO SAHAY VARMA
core   +1 more source

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