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Recent Advances in π-Stacking Interaction-Controlled Asymmetric Synthesis [PDF]

open access: yesMolecules
The π-stacking interaction is one of the most important intramolecular and intermolecular noncovalent interactions in organic chemistry. It plays an important role in stabilizing some structures and transition states in certain reactions via both ...
Jiaxi Xu
doaj   +2 more sources

Preparation and DFT studies of chiral Cu (I)-complexes of biphenyl bisoxazolines and their application in enantioselective Kharasch–Sosnovsky reaction

open access: yesScientific Reports, 2022
Effect of a range of t-butyl perbenzoates bearing electron-withdrawing and electron-donating substitutions on the phenyl ring and HZSM-5 as a porous additive at 0 °C in enantioselective allylic C–H bond oxidation of cyclic and acyclic olefins in the ...
Saadi Samadi   +3 more
doaj   +1 more source

Synthesis of novel phthalimido oxime pseudoesters and evaluation of their cytotoxicity [PDF]

open access: yesJournal of the Serbian Chemical Society, 2020
A series of novel optically pure oxime pseudoesters derivatives were synthesized by the reaction of substitute keto oximes with various N-substituted α-amino acids chlorides in the presence of triethylamine and dichloromethane at 0°C, and their ...
Mehrez Asma   +4 more
doaj   +1 more source

Copper-catalyzed synthesis of diarylamines using p-toluene sulfonamides and benzhydrol derivatives under homogeneous borrowing hydrogen conditions

open access: yesComptes Rendus. Chimie, 2020
Diarylamines were synthesized using p-toluene sulfonamides with benzhydrol derivatives in the presence of a copper/bisphosphine complex by Borrowing Hydrogen (BH) mechanism, yielding ${
Ashouri, Akram   +3 more
doaj   +1 more source

Recent Advances in DMSO-Based Direct Synthesis of Heterocycles

open access: yesMolecules, 2022
Besides serving as a low-toxicity, inexpensive and easily accessible solvent, dimethyl sulfoxide (DMSO) has also been extensively used as a versatile reagent for the synthesis of functionalized molecules.
Hai-Lei Cui
doaj   +1 more source

Nickel-catalyzed direct stereoselective α-allylation of ketones with non-conjugated dienes

open access: yesNature Communications, 2023
The development of efficient and sustainable methods for the construction of carbon-carbon bonds with the simultaneous stereoselective generation of vicinal stereogenic centers is a longstanding goal in organic chemistry.
Yi-Xuan Cao   +2 more
doaj   +1 more source

Synergistic Pd/Cu catalysis for stereoselective allylation of vinylethylene carbonates with glycine iminoesters: Enantioselective access to diverse trisubstituted allylic amino acid derivatives

open access: yesGreen Synthesis and Catalysis, 2021
We reported a synergistic Pd/Cu catalyzed enantioselective decarboxylative allylation of vinylethylene carbonates with glycine iminoesters, which provides facile access to non-proteinogenic diverse trisubstituted allylic amino acid derivatives in high ...
Miaolin Ke   +4 more
doaj   +1 more source

Novel functional [4]helicenes through a photooxidation pathway. Investigation of the absorption and fluorescence in solution

open access: yesComptes Rendus. Chimie, 2021
Novel functional [4]helicenes have been designed and synthesized, in 54%–72% overall yields, through an operational and simple two-step photochemical approach starting from various p-substituted phenylacetonitriles, and were characterized by NMR ($^{1}$H,
Hafedh, Nesrine   +2 more
doaj   +1 more source

Synthesis and investigation on optical and electrochemical properties of 2,4-diaryl-9-chloro-5,6,7,8-tetrahydroacridines

open access: yesBeilstein Journal of Organic Chemistry, 2021
A facile synthesis of 2,4-diaryl-9-chloro-5,6,7,8-tetrahydroacridine derivatives is reported which is based on POCl3-mediated cyclodehydration followed by double Suzuki–Miyaura cross-coupling.
Najeh Tka   +4 more
doaj   +1 more source

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