Results 31 to 40 of about 322,084 (409)

AMIDES ISOLATED FROM THE LEAVES OF Piper tuberculatum Jacq. (Piperaceae) WITH ACETYLCHOLINESTERASE INHIBITION AND LARVICIDAL ACTIVITY AGAINST Aedes aegypti [PDF]

Química Nova
Piper tuberculatum Jacq. is known to be a promising source of amides, which have shown remarkable biological activities. In this study, a phytochemical investigation of the leaves of P.
Brenda R. C. Leocadio, Taynara S. Vale, Felipe M. A. da Silva, João V. C. O. Santos, Sergio M. Nunomura, André C. de Oliveira, Ingrity S. C. Sá, Rosemary A. Roque, Ana Paula A. Castro, Magno P. Muniz, Rita C. S. Nunomura   +10 more
doaj   +1 more source

Homoleptic Bis(trimethylsilyl)amides of Yttrium Complexes Catalyzed Hydroboration Reduction of Amides to Amines.

Organic Letters, 2020
Homoleptic lanthanide complex Y[N(TMS)2]3 is an efficient homogeneous catalyst for the hydroboration reduction of secondary amides and tertiary amides to corresponding amines. A series of amides containing different functional groups such as cyano, nitro,
Pengqing Ye, Yinlin Shao, X. Ye, Fangjun Zhang, Renhao Li, Jiani Sun, Beihang Xu, Jiuxi Chen   +7 more
semanticscholar   +1 more source

High-performance light-emitting diodes based on carbene-metal-amides [PDF]

Science, 2016
Adding a twist for enhanced performance The efficiency of organic light-emitting diodes (OLEDs) is fundamentally governed by the ratio of emissive singlet to dark triplet excitons that are formed from spin-polarized electron and hole currents within the ...
D. Di, A. Romanov, Le Yang, Johannes M. Richter, Jasmine P. H. Rivett, Saul T. E. Jones, Tudor H. Thomas, Mojtaba Abdi Jalebi, R. Friend, Mikko Linnolahti, M. Bochmann, D. Credgington   +11 more
semanticscholar   +1 more source

Towards energetically viable asymmetric deprotonations : selectivity at more elevated temperatures with C2-symmetric magnesium bisamides [PDF]

, 2011
A novel chiral magnesium bisamide has enabled the development of effective asymmetric deprotonation protocols at substantially more elevated temperatures.
Aggarwal, Alexakis, Allan, Allan J. B. Watson, Anderson, Aoki, Aoki, Aoki, Aoki, Bassindale, Blümke, Brownbridge, Brownbridge, Bunn, Bunn, Bunn, Busch-Petersen, Carswell, Clegg, Conway, Corey, Cousins, Eaton, Eaton, Graf, Graf, Gronnow, Hama, Henderson, Henderson, Henderson, Henderson, Henderson, Hodgson, Ila, Kerr, Kerr, Kerr, Knochel, Leitner, Linsey S. Bennie, Melzig, Michael Middleditch, Mulvey, Navarro, Netherton, Sato, Shirai, Shirai, Simpkins, Simpkins, Westerhausen, William J. Kerr, Wunderlich, Çalimsiz   +54 more
core   +1 more source

Progress on Cassaine-Type Diterpenoid Ester Amines and Amides ( Alkaloids)

Natural Product Communications, 2006
The structures, spectral characteristics, and bioactivities of 39 natural cassaine-type diterpenoid ester amines and amides (Erythrophleum alkaloids) and 31 synthetic analogues are reviewed.
Jing Qu, Shishan Yu, Wenzhao Tang, Yunbao Liu, Yue Liu, Jing Liu   +5 more
doaj   +1 more source

Enhancing the cellular uptake of Py–Im polyamides through next-generation aryl turns [PDF]

, 2012
Pyrrole–imidazole (Py–Im) hairpin polyamides are a class of programmable, sequence-specific DNA binding oligomers capable of disrupting protein–DNA interactions and modulating gene expression in living cells.
Baird, Belitsky, Best, Bijsterbosch, Bradford, Chenoweth, Chenoweth, Chenoweth, Cleutjens, Cohen, Crowley, David C. Montgomery, Dervan, Dervan, Dickinson, Dose, D’Adamio, Edelson, Edwards, Gissot, Herman, Hesselberth, Hsu, Hsu, Jacobs, Johnson, Jordan L. Meier, Krutzik, Kwon, Magee, Mapp, Matsuda, Meijsing, Mrksich, Muzikar, Nickols, Nickols, Nickols, Nishijima, Ohtsukia, Olenyuk, Peter B. Dervan, Poulin-Kerstien, Reddy, Riegman, Rucker, Schmidt, Schultz, So, Swalley, Tsai, Van Dyke, Vaquerizas, Vichai, Yao   +54 more
core   +2 more sources

Nitromethane as a nitrogen donor in Schmidt-type formation of amides and nitriles

Science, 2019
Sourcing nitrogen from nitromethane Nitromethane is produced in bulk quantities for use as a solvent. Its applications as a reagent have focused mainly on the acidity of the methyl protons en route to modifying the carbon center. Liu et al. now report an
Jianzhong Liu, Cheng Zhang, Ziyao Zhang, Xiaojin Wen, Xiaodong Dou, Jialiang Wei, Xu Qiu, Song Song, N. Jiao   +8 more
semanticscholar   +1 more source

Asymmetric synthesis of γ-chloro-α,β-diamino- and β,γ-aziridino-α-aminoacylpyrrolidines and -piperidines via stereoselective Mannich-type additions of N-(diphenylmethylene)glycinamides across α-chloro-N-sulfinylimines [PDF]

, 2012
The asymmetric synthesis of new chiral gamma-chloro-alpha,beta-diaminocarboxylamide derivatives by highly diastereoselective Mannich-type reactions of N-(diphenylmethylene) glycinamides across chiral alpha-chloro-N-p-toluenesulfinylaldimines was ...
Augustyns, Koen, Callebaut, Gert, De Kimpe, Norbert, Mangelinckx, Sven, Tornroos, Karl W, Van der Veken, Pieter   +5 more
core   +3 more sources

Safety assessment of the mixture of methyl-branched and linear C14–C18 alkanamides, derived from fatty acids, for use in food contact materials [PDF]

, 2017
Publisher ...
Barthélemy, Eric, Bolognesi, Claudia, Castle, Laurence, Cravedi, Jean-Pierre, de Fátima Tavares Poças, Maria, Engel, Karl-Heinz, Fowler , Paul, Franz, Roland, Grob, Konrad, Gürtler, Rainer, Husøy, Trine, Kolf-Clauw, Martine, Kärenlampi, Sirpa, Lampi, Eugenia, Mennes, Wim, Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids (CEF), Penninks, André, Rosaria Milana, Maria, Silano, Vittorio, Smith, Andrew, Svensson, Kettil, Tlustos, Christina, Wölfle , Detlef, Zorn, Holger, Zugravu, Corina-Aurelia   +24 more
core   +3 more sources

Photoinduced Remote Functionalization of Amides and Amines Using Electrophilic Nitrogen Radicals

Angewandte Chemie, 2018
The selective functionalization of C(sp3)−H bonds at distal positions to functional groups is a challenging task in synthetic chemistry. Reported here is a photoinduced radical cascade strategy for the divergent functionalization of amides and protected ...
Sara P. Morcillo, Elizabeth M Dauncey, J. Kim, James J. Douglas, Nadeem S. Sheikh, Daniele Leonori   +5 more
semanticscholar   +1 more source