Results 51 to 60 of about 830 (174)
Small Science, Volume 5, Issue 6, June 2025.Molecular engineering of antimony corroles with various β‐substituents and the ability to modulate the oxidation state of the metal ion is employed to demonstrate exceptional optoelectronic properties. The antimony(V) corrole with SCN substituents shows enhanced charge carrier mobility, a high dielectric constant, and a broad absorption range ...
Tanmoy Pain +7 more
wiley +1 more source
Synthesis of N-aminoimidazol-2-thione derivatives using tandem approach [PDF]
, 2021 983-985The work discussed in the manuscript highlights iodine (III) mediated synthesis of 1-amino-1H-imidazol-2-thione derivatives in a single vessel by tethering tosyloxylation, thiocyanation and heterocyclization reactions.
Chaudhri, Vishwas, Pundeer, Rashmi
core
Transition Metal‐Promoted Direct CS and CSe Bond Formation from Csp3H Bonds
European Journal of Organic Chemistry, Volume 28, Issue 20, May 28, 2025.This review summarizes the significant advancements in transition metal‐catalyzed direct chalcogenylation of Csp3H bonds over the past decade (2014–2024). The discussion is organized by transition metal catalysts, with particular emphasis on mechanistic insights of these transformations.
Douglas B. Paixão +7 more
wiley +1 more source
Regioselective C‐H Thio‐ and Selenocyanation of Pyrazolo[1,5‐a]pyrimidines
Chemistry – An Asian Journal, Volume 20, Issue 9, May 2, 2025.A metal‐free, N‐chlorosuccinimide (NCS) mediated, highly efficient, and regioselective C−H thiocyanation and C−H selenocyanation of pyrazolo[1,5‐a]pyrimidines are achieved under mild reaction conditions for the synthesis of a wide variety of 3‐thiocyanato‐ and 3‐selenocyanatopyrazolo[1,5‐a]pyrimidines in good to excellent yield up to 99 %.
Paramita Pattanayak +3 more
wiley +1 more source
Synthesis and Anticancer Evaluation of Novel Pyrazolo[1,5-a]pyrimidines: Discovery of a Novel Lead Compound with Selective Activities Against VPS34 and JAK1-JH2 Pseudokinase [PDF]
, 2022 A library of 25 novel 3,6-disubstituted and 3-substituted pyrazolo[1,5-a]pyrimidines were synthesized using a microwave chemical reactor in 3 steps with a total reaction time of 1 hour. The products were obtained in good to excellent yields (20-93%, ave.
Dass, Reuben
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ChemPhotoChem, Volume 9, Issue 5, May 2025.This review focuses on recent developments in heterogenization of photocatalysts into polymers, highlighting methods like photocatalyst polymerization, post‐grafting, and 3D printing. Discussion about these different approaches of heterogeneous photocatalysis (advantages and drawbacks) is provided.
Cloé Delacourt +3 more
wiley +1 more source
Pentathiepins are an understudied molecular prism of biological activities
Archiv der Pharmazie, Volume 357, Issue 12, December 2024.Pentathiepins are cyclic sulfur‐rich compounds that possess remarkable chemical stability, unique structural features, and an extraordinary variety of biological activities. Nonetheless, they have only drawn the attention of the scientific community on a few occasions, generally after the serendipitous discovery of some of their properties. This review
Luca Pozzetti, Christopher R. M. Asquith
wiley +1 more source
Synthesis of Various Dihydro–Thiazole and Selenazole Heterocycles
European Journal of Organic Chemistry, Volume 27, Issue 43, November 18, 2024.The synthesis of thiazole derivatives was achieved by reacting I2/SCN− with various push‐pull alkenes. The substitution followed by intramolecular cyclization under mild conditions resulted in the desired products. When KSeCN was used, a selenazole derivative was formed.
Mihály Viktor Pilipecz +7 more
wiley +1 more source
Copper Photocatalyzed Divergent Access to Organic Thio- and Isothiocyanates [PDF]
We disclose a copper-photocatalyzed strategy that enables selective access to organic thiocyanates and isothiocyanates using benzylic thiocyanates as ATRA reagents.
Abderrazak, Youssef, Reiser, Oliver
core +1 more source
Mercury-Mediated Cyclization to 2-Isoxazolines [PDF]
, 2022 The isoxazoline ring has been utilized in many therapeutic agents. For example, it is the key structure in ISO-1, an anti-inflammatory agent with unique anti-Type 1 diabetes activity.
Palmer, Abigail
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