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Acetonitrile

About: Acetonitrile is a(n) research topic. Over the lifetime, 11298 publication(s) have been published within this topic receiving 175275 citation(s). The topic is also known as: cyanomethane & ethyl nitrile.


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Abstract: Addition of acetonitrile to the traditional CCl4/H2O solvent system for ruthenium tetraoxide catalyzed oxidations leads to a greatly improved system; some applications to olefins, alcohols, aromatic rings, and ethers are described. © 1981, American Chemical Society. All rights reserved.

1,117 citations

Journal ArticleDOI

[...]

TL;DR: In this paper, the crystal structure of compound 1 revealed that linear [Ag(Et2-Bimy)2]+ and [AgBr2]- groups were associated through a short AgI−AgI contact (2.956 A).
Abstract: [Ag(Et2-Bimy)2][AgBr2] (1; Et2-Bimy = diethylbenzimidazol-2-ylidene) was obtained readily from the reaction of [Et2-BimyH]Br with Ag2O. Compound 2, [Ag(Et2-Bimy)2]PF6, was prepared by the reaction of [Et2-Bimy]PF6 with Ag2O under basic phase transfer catalysis conditions. Both compounds 1 and 2 are good carbene transfer agents. Thus, Pd(Et2-Bimy)2Cl2, Au(Et2-Bimy)Br, and [Au(Et2-Bimy)2]PF6 were obtained in high yields using 1 and 2 as carbene sources. The byproduct AgBr or AgCl can be reused to generate 1 under basic phase transfer catalysis conditions. The crystal structure of compound 1 revealed that linear [Ag(Et2-Bimy)2]+ and [AgBr2]- groups were associated through a short AgI−AgI contact (2.956 A). FAB/mass spectrometry and molar conductivity measurements indicate the existence of ligand-unsupported AgI−AgI interactions in the gas phase and acetonitrile solution. 13C NMR studies suggest that the two Bimy ligands in 1 are fluxional in solution.

975 citations

Journal ArticleDOI

[...]

797 citations

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TL;DR: In this article, a reaction of 3,4,6,tri-O-acetyl-D-galactal with excess ammonium nitrate and sodium azide in acetonitrile produced 2-azido-1-nitrate addition products (53% β-Galacto, 22% α-GalACTo, and 8% α -Ta...
Abstract: Reaction of 3,4,6-tri-O-acetyl-D-galactal with excess ceric ammonium nitrate and sodium azide in acetonitrile produced 2-azido-1-nitrate addition products (53% β-galacto, 22% α-galacto, and 8% α-ta...

569 citations

Journal ArticleDOI

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TL;DR: In this paper, a new theory of solvent effects on the optical rotations of chiral molecules is presented, where the frequency-dependent electric dipole−magnetic dipole polarizability, βαβ(ν), is calculated using density functional theory (DFT).
Abstract: A new theory of solvent effects on the optical rotations of chiral molecules is presented. The frequency-dependent electric dipole−magnetic dipole polarizability, βαβ(ν), is calculated using density functional theory (DFT). Solvent effects are included using the polarizable continuum model (PCM). DFT/PCM calculations of sodium D line specific rotations, [α]D, have been carried out for seven conformationally rigid chiral organic molecules (fenchone, camphor, α-pinene, β-pinene, camphorquinone, verbenone, and methyloxirane) for a diverse set of seven solvents (cyclohexane, carbon tetrachloride, benzene, chloroform, acetone, methanol, and acetonitrile). The predicted variation in [α]D for the solvents cyclohexane, acetone, methanol, and acetonitrile are in excellent agreement with experiment for all seven molecules. For the solvents carbon tetrachloride, benzene, and chloroform, agreement is much poorer. Since only electrostatic solute−solvent interactions are included in the PCM, our results lead to the con...

498 citations

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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
20227
2021160
2020170
2019229
2018206
2017233