Results 201 to 210 of about 77,981 (327)

Synthesis of Schiff Bases, Oximes and Hydrazones of 1, 2, 4-oxadiazole and 1, 2, 4-triazoles

, 2006
Adel Μ. Awadallah
openalex   +1 more source

Ring Transformation of Heterocycles Transformation of 4, 5-Dihydro-5, 5-Dimethyl-H-1, 2, 4-Triazoles Into 5-Methyl-H-1, 2, 4-Triazoles

, 2001
Reaction of 1-aryl-3-acetyl-4, 5-dihydro-5, 5-dimethyl-1H-1, 2, 4-triazoles (3) with acetyl chloride or acetic anhydride is found to give the ring transformation product 1-aryl-3-acetyl-5-methyl-1H-1, 2, 4-triazoles (4) instead of the expected N-acetyl derivative (5). This ring transformation is believed to start with N-acylation of the dihydrotriazole
openaire   +1 more source

Precise Tailoring of the Coordination Environment of Single‐Atom Cu(I) on Trifurcate AlL3 Supports for Click Chemistry

Rare Metals, EarlyView.
ABSTRACT Single‐atom catalysis hinges on fundamental challenges in precisely controlling metal‐support interactions and rationally regulating metal–adsorbate relationships. Herein, we report a universal strategy for constructing highly efficient and well‐defined Cu(I) single‐atom catalysts based on a trifurcate AlL3 molecular support.
Donghui Zhang, Yu Zhu, Zhihao Lu, Zhihua Qiu, Laurent Ruhlmann, Lisheng Chi, Jian Zhang, Yixiang Song, Shangda Li, Wei‐Hui Fang   +9 more
wiley   +1 more source

Combining Laser‐Induced Edition to Collision‐Induced Sequencing of Digital Oligomers in a Single Gas‐Phase Experiment

Rapid Communications in Mass Spectrometry, EarlyView.
ABSTRACT Rationale To increase the confidentiality level of molecular tags, binary information can be hidden in sequence‐defined oligomers using isobaric monomers including a photo‐sensitive one, which mass can be modified upon light irradiation. Reading such secured data requires light edition prior to MS/MS sequencing, which was investigated here in ...
Clothilde Comby‐Zerbino, Jean‐François Lutz, Luke MacAleese, Laurence Charles   +3 more
wiley   +1 more source

Triazole and Pyrazole Hybrids of Electrophilic Natural Products as Promising Anticancer Agents. [PDF]

Molecules
Fermo AD, Bisi A, Orioli R, Gobbi S, Belluti F.   +4 more
europepmc   +1 more source

Recent advances in fluorescent materials innovation and film‐based sensing application

Responsive Materials, EarlyView.
This review systematically summarizes recent advances in high‐performance film‐based fluorescent sensors (FFSs), specifically covering the innovative strategies for engineering porous sensing films, and the sensitive and rapid detection for diverse target analytes. Current challenges for the further development of the sensors are discussed, guiding the
Xinyu Gou, Junxia Peng, Yu Fang
wiley   +1 more source

Modification of the existing maximum residue levels for prothioconazole in various crops. [PDF]

EFSA J
European Food Safety Authority (EFSA), Bellisai G, Bernasconi G, Cabrera LC, Castellan I, Del Aguila M, Ferreira L, Greco L, Leuschner R, Mioč A, Nave S, Reich H, Ruocco S, Scarlato AP, Szot M, Theobald A, Tiramani M, Verani A, Zioga E.   +18 more
europepmc   +1 more source

trans-Bis[4-(4-methoxyphenyl)-3,5-di-2-pyridyl-4H-1,2,4-triazole-κN¹]dithiocyanatocobalt(II)

, 2005
Shuping Zhang, Si-Chang Shao, Zhao‐Di Liu, Hai‐Liang Zhu   +3 more
openalex   +2 more sources

Filomicelle‐Embedded Composite Hydrogels for Localized Gelation Within the Anterior Chamber of the Eye

Small, EarlyView.
A composite hydrogel (C‐gel) incorporating PEG‐b‐PPS filomicelles enables localized in situ gelation and sustained nanocarrier release within the anterior chamber. The filamentous structure promotes spatial confinement of multi‐arm polymer crosslinking, even upon injection into large aqueous volumes, and gradually transitions into spherical micelles ...
Hyeohn Kim, Sofia Lara Ochoa, Swagat Sharma, Asmaa A. Youssif, Benjamin R Thomson, Mark Johnson, Evan A. Scott   +6 more
wiley   +1 more source

Design, Synthesis, and Biological Evaluation of Novel Acetylcholinesterase and β-Secretase 1 Inhibitors. [PDF]

Int J Mol Sci
Drozdowska D, Pawelski D, Wróbel-Tałałaj A, Plonska-Brzezinska M, Kolesinska B, Lazny R, Seroka B, Parzych C, Ratkiewicz A.   +8 more
europepmc   +1 more source