Topic
Acetonitrile
About: Acetonitrile is a research topic. Over the lifetime, 11298 publications have been published within this topic receiving 175275 citations. The topic is also known as: cyanomethane & ethyl nitrile.
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TL;DR: Sum frequency generation (SFG) vibrational spectra of D(2)O and/or acetonitrile on a Pt(111) single-crystal electrode were obtained and provide a very specific model for the composition of the inner Helmholtz layer as a function of potential and surface charge.
Abstract: Sum frequency generation (SFG) vibrational spectra of D2O and/or acetonitrile (CH3CN) on a Pt(111) single-crystal electrode were obtained as a function of applied potential in a 5 mol % water/aceto...
49 citations
TL;DR: In the presence of ZnO-acetyl chloride catalysts the reaction was limited to give only 1,8-dioxo-octahydroxanthenes 3a-k in very good yields.
49 citations
TL;DR: In this paper, a photochromic diarylethene with a triazole-bridged methylquinoline group has been synthesized by click chemistry reaction, which exhibited typical photochromism and fluorescent switching properties by photoirradiation.
49 citations
TL;DR: In this article, a one-pot reaction of β-acetamido ketones has been achieved by using 3-methyl-1-(4-sulfonylbutyl)imidazolium hydrogensulfate [HO3S(CH2)4MIM][HSO4], a Bronsted-acidic ionic liquid, as a green and reusable catalyst in solvent-free media.
Abstract: Efficient and convenient synthesis of β-acetamido ketones has been achieved by one-pot reaction of acetophenone, aryl aldehydes, acetyl chloride, and acetonitrile in the presence of 3-methyl-1-(4-sulfonylbutyl)imidazolium hydrogensulfate [HO3S(CH2)4MIM][HSO4], a Bronsted-acidic ionic liquid, as a green and reusable catalyst in solvent-free media at room temperature. The catalyst could be recycled and reused without noticeable decrease in catalytic activity.
48 citations
TL;DR: The balance of weak CH...N bonds involving the H 3C- and -CN groups has been related to the structural rearrangement between centrosymmetric and polar acetonitrile structures.
Abstract: The balance of weak CH···N bonds involving the H3C− and −C≡N groups has been related to the structural rearrangement between centrosymmetric and polar acetonitrile structures. The linear highly polar molecules arrange antiparallel in phase α below a freezing temperature of 225 K/0.1 MPa and above a freezing pressure of 0.38(5) GPa/296 K and in a polar mode in phase β below 206 K/0.1 MPa and at pressures higher than 0.63(5) GPa/296 K. The α ↔ β phase transition has been considered as a supramolecular reaction between 2-dimensional and 3-dimensional hydrogen-bonding networks, the latter favoring the polar association. Acetonitrile has been in situ pressure-frozen, and its structure has been determined at room temperature by single-crystal X-ray diffraction at 0.57(5), 0.63(5), and 1.50(5)GPa. The crystallization pressure at 296 K has been determined as 0.38(5) GPa both by ruby fluorescence in a diamond anvil-cell and by the compressibility measurement in a cylinder-and-piston device. Acetonitrile mixed with...
48 citations