Results 261 to 270 of about 343,710 (341)

Synthesis, Pharmacological Characterization, and Molecular Modeling of Heterobicyclic Amino Acids Related to (+)-2-Aminobicyclo[3.1.0]hexane- 2,6-dicarboxylic Acid (LY354740):  Identification of Two New Potent, Selective, and Systemically Active Agonists for Group II Metabotropic Glutamate Receptors

open access: green, 1999
James A. Monn   +16 more
openalex   +1 more source

Host‐Guest Doping Enables Room Temperature Phosphorescence from Triarylboranes

open access: yesAngewandte Chemie, EarlyView.
While pure triarylboranes show RTP in annealed PMMA films, they do not in crystalline form, contrary to our previous report. However, crystalline host‐guest triarylborane systems show persistent afterglow up to 8 s even at 1 ppb guest loading. Computations identify triplet‐triplet energy transfer as the mechanism governing this efficient RTP.
Zhu Wu   +4 more
wiley   +1 more source

Discovery of Fused Isoquinolinone/Triazole as a Scaffold for Tankyrase and PARP Inhibition. [PDF]

open access: yesJ Med Chem
Ouzounthanasis KA   +8 more
europepmc   +1 more source

A Precisely Bromo‐Functionalized [9]Cycloparaphenylene as a Platform for Late‐Stage Multisite π‐Extension Toward Chiral Nanohoops

open access: yesAngewandte Chemie, EarlyView.
Precisely synthesized hexabrominated [9]cycloparaphenylene (CPP), accessed by a gold‐mediated method, enables efficient multisite post‐functionalization through cross‐coupling reactions. Late‐stage π‐extension on the CPP framework successfully affords armchair‐type chiral nanohoops exhibiting strong circularly polarized luminescence (|glum| = 0.100 ...
Naoya Kinoshita   +8 more
wiley   +1 more source

Acute and Sub-Chronic Toxicological Evaluation of <i>n</i>-Hexane Fraction of <i>Uvaria chamae</i> Leaves. [PDF]

open access: yesAfr J Infect Dis
Bamimore VO   +6 more
europepmc   +1 more source

Double E─H Bond Activation of Ammonia and Water by Cyclic Gallaphosphene L(OCP)GaPGaL

open access: yesAngewandte Chemie, EarlyView.
Cyclic gallaphosphene 1 undergoes a twofold E─H bond activation with ammonia and water via a beneficial interplay between the polar “GaPGa” unit and the electrophilic nature of the C center in the bridging PCO unit, yielding six‐membered heterocycles 2 and 3, in which both nucleophilic phosphorus atoms are protonated.
Mahendra K. Sharma   +3 more
wiley   +1 more source

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