Results 161 to 170 of about 139,650 (284)

Structurally Constrained Stibenium: Metallomimetic C−Si Bond Activation

Angewandte Chemie, EarlyView.
A structurally constrained stibenium cation supported by a 2,6‐bis(o‐carborano)pyridine pincer‐type ligand was prepared, and its preliminary reactivity toward silanes was investigated. Remarkably, Si−C bonds in silanes undergo activation via an oxidative‐addition‐type process at the cationic Sb center.
Donia Toami, Roman Dobrovetsky
wiley   +2 more sources

Electrochemical C4 alkylation of pyridine derivatives: Enhanced regioselectivity via silane assistance. [PDF]

Sci Adv
Yang Z, Liu X, Chen YX, Gao Y, Xiao X, Maekawa H, Zhang T, Hao XQ, Song MP.   +8 more
europepmc   +1 more source

In Vitro Cytotoxicity and In Vivo Antitumor Activity of Lipid Nanocapsules Loaded with Novel Pyridine Derivatives. [PDF]

Pharmaceutics, 2023
Abu Lila AS, Amran M, Tantawy MA, Moglad EH, Gad S, Alotaibi HF, Obaidullah AJ, Khafagy ES.   +7 more
europepmc   +1 more source

Diazo Transfer From Nitrous Oxide Employing Phosphorus Ylides

Angewandte Chemie, EarlyView.
A phosphorus ylide‐mediated strategy achieves the direct fixation of nitrous oxide (N2O) to access diazo compounds, which after intra‐ or intermolecular trapping, afford N2‐containing organic building blocks. This approach provides an alternative to hazardous diazo‐transfer reagents and establishes N2O fixation as a sustainable methodology.
Jhen‐Kuei Yu, Jan Niclas Ludwig, Patrick Wolf Antoni, David Tymann, Max Martin Hansmann   +4 more
wiley   +2 more sources

Synthesis and characterization of palladium nanoparticles modified UiO66 metalorganic framework for the synthesis of pyridine derivatives. [PDF]

Sci Rep
Kumar A, Naglah AM, Jain V, Ballal S, Sharma A, Abosaoda MK, Singh A, Krithiga T, Ray S, Doshi OP.   +9 more
europepmc   +1 more source

1-Alkoxyamino-4-dimethylaminopyridinium derivatives as new representatives of O–N–N⁺ geminal systems and their structure [PDF]

, 2012
Gerasimenko, M. V., Kostyanovsky, R. G., Mazepa, A. V., Shishkin, O. V., Shtamburg, V. G., Shtamburg, V. V., Tsygankov, A. V., Zubatyuk, R. I.   +7 more
core  

Steric Hindrance and Secondary Interactions Govern Reconfiguration Between Two Complex CuI Coordination Cages

Angewandte Chemie, EarlyView.
Fine‐tuning steric and C─H···π contacts directs assembly of two CuI cages. An identical naphthylene‐based subcomponent forms a [CuI12L6]12+ pseudo‐hexagonal prism stabilized by 29–32 C─H···π contacts and 12 arene stacking pairs with 6‐methyl‐2‐formylpyridine, whereas the 3‐methyl analog imparts steric clashes, yielding a [CuI8L4]8+ open prism ...
Houyang Xu, Sudhakar Gaikwad, Tanya K. Ronson, Jonathan R. Nitschke   +3 more
wiley   +2 more sources

Hepatoprotective Effects of Fused Pyridine Derivatives: Regulation of the TGF-β/Smad, miR-21/Smad7, and PPARγ Pathways in Carbon Tetrachloride-Induced Liver Fibrosis. [PDF]

Drug Des Devel Ther
Khalil MM, Elhamammy RH, Ragab HM, Abdelgalil MH, Sheta E, Elaraby AR, Ibrahim TM, Wahid A.   +7 more
europepmc   +1 more source

Dicarboxylic acid anhydride condensation with compounds containing active methylene groups. 4: Some 4-nitrophthalic anhydride condensation reactions [PDF]

By 4-nitrophthalic anhydride condensation with acetoacetate in acetic anhydride and triethylamine solution with subsequent breakdown of the intermediate condensation product, 5-nitroindanedione-1,3 was obtained.
Oskaja, V., Rotberg, J.
core   +1 more source

Azide‐to‐Diazo Transformation Facilitated by Michael Addition via Phosphazide Formation

Angewandte Chemie, EarlyView.
A new type of Michael addition based on azide‐to‐diazo conversion is disclosed. This unusual transformation proceeds via 1,4‐addition accompanied by N─N bond cleavage of phosphazide intermediates under practical conditions. The high versatility of the resulting Michael adducts enables the synthesis of a wide variety of organonitrogen compounds ...
Tomoki Mano, Takahiro Yasuda, Gaku Orimoto, Suguru Yoshida   +3 more
wiley   +2 more sources