Results 81 to 90 of about 24,650 (254)

Unlocking Catalyst Activation as a Critical Bottleneck in Cross‐Coupling Reactions: Room‐Temperature Couplings of Weak Nucleophiles Enabled by [Pd(1‐MeNAP)TFA]2 Precatalysts

Angewandte Chemie International Edition, EarlyView.
In many Pd‐catalyzed cross‐couplings, catalyst performance has been found to be limited by catalyst activation. Methylnaphthyl (MeNAP) palladium trifluoroacetate dimers are presented as easy‐to‐store and easy‐to‐handle precursors, which rapidly activate under reaction conditions, even when only weakly coordinating, non‐reducing nucleophiles are present.
Sourav Manna, Henric F. Janning, Nikolaos V. Tzouras, Jane Anto Simplica Sagayaraj, Fadil Faizal Mannighayil, Angelino Doppiu, Lukas J. Gooßen   +6 more
wiley   +1 more source

SYNTHESIS, STRUCTURE AND BIOLOGICAL ACTIVITY OF N(4)-ALLYL-3-THIOSEMICARBAZONES AND THEIR COORDINATION COMPOUNDS WITH SOME 3D METALS

Studia Universitatis Moldaviae: Stiinte reale si ale naturii, 2016
The paper presents a review of different N(4)-allyl-3-thiosemicarbazones and their coordination compounds described in literature. N(4)-allyl-3-thiosemicarbazide can form corresponding thiosemicarbazones with aliphatic, aromatic and heteroaromatic ...
Vasilii GRAUR
doaj  

Antibacterial properties of surface-active synthesized 1-allyl-3-methylimidazolium based ionic liquids: experimental, molecular docking and DFT calculations

Results in Chemistry
Ionic liquids are continuously being synthesized and metathesized with their properties being evaluated, particularly the degradation of these compounds for possible industrial applications.
Vuyolwethu Tokoyi, Charlene Pillay, Madhur Babu Singh, Bakusele Kabane, Prashant Singh, Saheed Sabiu, Nirmala Deenadayalu   +6 more
doaj   +1 more source

Observations on the metabolism of allyl compounds in the rat [PDF]

Biochemical Journal, 1969
J J, Clapp, C M, Kaye, L, Young
openaire   +2 more sources

Late‐Stage Functionalization of Peptides on the Solid Phase

Angewandte Chemie International Edition, EarlyView.
Peptide modifications are essential to control pharmacodynamic and pharmacokinetic properties of peptide drugs. Consequently, strategies that allow for efficient and rapid incorporation of non‐canonical modifications into peptides in parallel formats are highly sought after.
Marius Werner, Truc Lam Pham, Franziska Thomas   +2 more
wiley   +1 more source

Asymmetric α‐Alkylation With Activated and Unactivated Electrophiles by a Highly Productive and Recyclable Lewis Acid/Imidazolium Catalyst

Angewandte Chemie International Edition, EarlyView.
An air‐stable, easily prepared, bifunctional Cu(II)/imidazolium complex enables highly enantioselective α‐alkylation of 1,3‐dicarbonyls with outstanding productivity (TON up to 1740). Highlights include broad electrophile scope spanning π‐activated and nonactivated reagents, stereo‐retentive allylation, simple catalyst synthesis, and efficient catalyst
Johanna Haußmann, Alexander Beck, Dominik Hornung, Michael Mistele, Alexander Allgaier, Wolfgang Frey, Joris van Slageren, Johannes Kästner, René Peters   +8 more
wiley   +1 more source

SYNTHESES AND ANTIFUNGAL ACTIVITY OF 3-ARYLMETHYL-5-ARYLOXY METHYL-2- METHY LISOXAZOLIDINES [PDF]

Journal of Sciences, Islamic Republic of Iran, 1998
Reaction of sodium salt of allyl alcohol with 2-chloro-5-phenyl- l,3,4-thiadiazole gave 2-allyloxy-5-phenyl-1,3,4-thiadiazole 2. Compounds 4a and 4b could be obtained through the reaction of nitrone 3 with 2.
doaj  

The Oxidation Mechanisms of Saturated Fatty Acids: Formation of Hydroperoxide Isomers and Production of 2‐Alkanones and Lactones

Journal of the American Oil Chemists' Society, EarlyView.
ABSTRACT Saturated fatty acids (SFAs) are generally regarded simply as being resistant to oxidation compared with unsaturated fatty acids. However, it has long been reported that SFAs can undergo oxidation when heated at high temperatures, leading to the formation of unique degradation products such as 2‐alkanones and lactones.
Kanji Aoyagi, Shunji Kato, Kiyotaka Nakagawa   +2 more
wiley   +1 more source

SÍNTESE E AVALIAÇÃO DA ATIVIDADE CITOTÓXICA DE DERIVADOS DO EUGENOL CONTENDO NÚCLEOS 1,2,3-TRIAZÓLICOS

Química Nova
Eugenol is an aromatic compound found in several plant species. It presents important biological activities including cytotoxicity. In this paper, it is described the synthesis and the evaluation of the cytotoxic activity of eugenol derivatives bearing 1,
Poliana Aparecida Rodrigues Gazolla, Róbson Ricardo Teixeira, Adalberto Manoel da Silva, Boniek Gontijo Vaz, Géssica Adriana Vasconcelos, Raoni Pais Siqueira, Victor Hugo Sousa Gonçalves, Higor Sette Pereira, Gustavo Costa Bressan   +8 more
doaj   +1 more source

Comparative Effects of White and Black Garlic on the Technological, Nutritional, and Sensory Properties of White and Whole Wheat Bread

Cereal Chemistry, EarlyView.
ABSTRACT Background and Objectives The response of bread systems to ingredient enrichment varies depending on flour composition and matrix structure. This study investigated the impact of white garlic (WG) and black garlic (BG) enrichment (1%–7%) on the technological properties, composition, antioxidants, and sensory characteristics of refined white ...
Derya Ozalp Unal, Aliye Pehlivan, Yeliz Kaya Kartal, Arzu Ozer, Seda Kulen   +4 more
wiley   +1 more source