Book ChapterDOI
Thiopyrans and Their Benzo Derivatives
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The article was published on 2020-01-01. It has received 1 citations till now. The article focuses on the topics: Ring (chemistry) & Section (typography).read more
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Unified Approach to (Thio)chromenones via One-Pot Friedel-Crafts Acylation/Cyclization: Distinctive Mechanistic Pathways of β-Chlorovinyl Ketones
TL;DR: A facile synthetic method to chromenones and thiochromenones has been developed using a one-pot Friedel-Crafts acylation of alkynes with suitably substituted benzoyl chlorides.
Journal ArticleDOI
A tripeptide-like prolinamide-thiourea as an aldol reaction catalyst.
TL;DR: A tripeptide-like prolinamide-thiourea catalyst with (S)-proline, (1S,2S)-diphenylethylenediamine and (S-di-tert-butyl aspartate as building blocks provides the products of the reaction between ketones and aromatic aldehydes in high to quantitative yields and high stereoselectivities.
Journal ArticleDOI
Chalcogenopyrylium compounds as modulators of the ATP-binding cassette transporters P-glycoprotein (P-gp/ABCB1) and multidrug resistance protein 1 (MRP1/ABCC1).
Sean P. Ebert,Bryan Wetzel,Robert L. Myette,Gwenaëlle Conseil,Susan P.C. Cole,Geri A. Sawada,Tip W. Loo,M. Claire Bartlett,David M. Clarke,Michael R. Detty +9 more
TL;DR: Thiopyrylium compounds with systematic substituent changes were examined for their effect on human MRP1-mediated uptake of tritiated estradiol glucuronide into inside-out membrane vesicles, their affinity for and ability to stimulate the ATPase activity of purified human P-glycoprotein (P-gp)-His(10).
Journal ArticleDOI
Biocatalytic promiscuity: lipase-catalyzed asymmetric aldol reaction of heterocyclic ketones with aldehydes
TL;DR: PPL II showed favorable catalytic activity and had a good adaptability to different substrates in the reaction and it is interesting that PPL II possesses the function of aldolase in organic solvents.
Journal ArticleDOI
Copper-mediated, palladium-catalyzed cross-coupling of 3-iodochromones, thiochromones, and quinolones with ethyl bromodifluoroacetate.
TL;DR: The palladium-catalyzed cross-coupling reaction of 3-iodochromones, thiochromones, and quinolones with ethyl bromodifluoroacetate in the presence of a copper mediator is reported.