9,9-Bis[4-(N-aryl)phenyl]methylidene-xanthylidene Derivatives Displaying Mechano-, Crystallo-, and Thermochromism.
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DOI: 10.1002/cplu.202200360
Abstract: Tetraphenylethylene (TPE) derivatives bearing a xanthene moiety are of interest because they have novel optical properties. 9,9-Bis[4-(N,N-diphenylamino)phenyl] and 9,9-bis[4-(9-carbazolyl)-phenyl]methylidene-xanthylidenes 3 and 4 were synthesized using Suzuki-Miyaura coupling of 9,9-dibromomethylidene-xanthylidene with the corresponding boronic acids. Diphenylamino… read more here.
Keywords: aryl phenyl; xanthylidene; phenyl; phenyl methylidene ... See more keywords
Synthesis of rhenacyclopentadienes and η2:η2-diyne complexes from a labile dirhenium carbonyl and π-conjugated 1,7-octadiynes: Structural and photophysical characterization
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Organometallic Chemistry"
DOI: 10.1016/j.jorganchem.2018.12.003
Abstract: Abstract A series of dirhenium carbonyl compounds containing π-conjugated diyne ligands and symmetrical 2,5-bis(aryl)rhenacyclopentadienes has been synthesized by reaction of [Re2(CO)8(CH3CN)2] and 1,8-bis(aryl)-1,7-octadiyne derivatives [aryl = 2-thienyl (a), 2-pyridyl (b), 2-quinolyl (c) and 9-phenanthrenyl (d)]. We found… read more here.
Keywords: diyne complexes; re2 ch3cn; dirhenium carbonyl; bis aryl ... See more keywords
Structure-Activity Relationship Studies to Identify Affinity Probes in Bis-aryl Sulfonamides that Prolong Immune Stimuli.
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DOI: 10.1021/acs.jmedchem.9b00870
Abstract: Agents that safely induce, enhance, or sustain multiple innate immune signaling pathways could be developed as potent vaccine adjuvants or co-adjuvants. Using high-throughput screens with cell-based nuclear factor kappa B (NF-κB) and interferon stimulating response… read more here.
Keywords: affinity probes; bis aryl; affinity; activity relationship ... See more keywords
Stereodivergent Photoelectrocyclization Reactions of Bis-aryl Cycloalkenones: Intercepting Photoelectrocyclization Intermediates with Acid.
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DOI: 10.1021/acs.orglett.9b03214
Abstract: Described here are tandem photoelectrocyclization and [1,5]-hydride shift reactions of heteroaryl-containing bis-aryl cyclohexenone derivatives that give heteroaryl-substituted dihydrophenanthrenes. This Letter demonstrates that electrocyclization intermediates can be trapped with acid when the [1,5]-hydride shift is relatively… read more here.
Keywords: bis aryl; reactions bis; photoelectrocyclization reactions; stereodivergent photoelectrocyclization ... See more keywords