Results 31 to 40 of about 32,686 (305)

4-Acetylpyridinium iodide [PDF]

open access: yesActa Crystallographica Section E Structure Reports Online, 2010
In the title compound, C(7)H(8)NO(+)·I(-), N-H⋯I hydrogen bonding and π-π stacking inter-actions [centroid-centroid distance = 5.578 (4) Å] stabilize the structure.
Jie Xu, Xue-qun Fu
openaire   +3 more sources

Fungicidal and bactericidal activity of alkyl-substituting polyetherguanidines

open access: yesБіологічні студії, 2020
Background. Polyhexamethylene guanidines are widely used as biocides and disinfectants due to the wide range of their antimicrobial activity against Gram-positive and Gram-negative bacteria, viruses, fungi, and molds.
M. Ya. Vortman   +5 more
doaj   +1 more source

One-pot near-ambient temperature syntheses of aryl(difluoroenol) derivatives from trifluoroethanol [PDF]

open access: yes, 2011
Difluoroalkenylzinc reagents prepared from 1-(2’-methoxy-ethoxymethoxy)-2,2,2-trifluoroethane and 1-(N,N-diethylcarbamoyloxy)-2,2,2-trifluoroethane at ice bath temperatures, underwent Negishi coupling with a range of aryl halides in a convenient one pot ...
Kyne, Sara H   +4 more
core   +1 more source

2-Aminoethanaminium iodide [PDF]

open access: yesActa Crystallographica Section E Structure Reports Online, 2012
The title salt, [NH3CH2CH2NH2]+·I−, has an array structure based on strong intermolecular N—H...N hydrogen bonding formed between the ammonium and amine groups of adjacent cations. This interaction gives a helical chain of cations that runs parallel to the b axis.
Kennedy, Alan, Okoth, Maurice O.
openaire   +4 more sources

Nickel-catalyzed carbonylative synthesis of dihydrobenzofurans

open access: yesCatalysis Communications, 2021
A nickel-catalyzed carbonylative synthesis of dihydrobenzofurans has been developed. With Mo(CO)6 as the CO source and manganese metal as the reductant, alkyl halides were reacted with aryl iodides to give the desired products in moderate to good yields.
Hui-Qing Geng, Wei Wang, Xiao-Feng Wu
doaj   +1 more source

Acneiform dermatoses [PDF]

open access: yes, 1998
Acneiform dermatoses are follicular eruptions. The initial lesion is inflammatory, usually a papule or pustule. Comedones are later secondary lesions, a sequel to encapsulation and healing of the primary abscess.
Jansen, Thomas, Plewig, G.
core   +1 more source

Aromatic Iodides: Synthesis and Conversion to Heterocycles

open access: yesChemistry Proceedings, 2022
Aromatic heterocycles can be found in many molecules endowed with specific properties, in particular for applications in the fields of medicinal chemistry and materials science.
Florence Mongin   +2 more
doaj   +1 more source

Dinuclear platinum(II) sulfide–thiolate complexes [Pt₂(μ-S)(μ-SR)(PPh₃)₄]⁺ containing fluorinated substituents and the identification of a SC₆F₅ π interaction in the crystal structure of [Pt₂(μ-S)(μ-SCH₂C₆F₅)(PPh₃)₄]BPh₄•2C₆H₆ [PDF]

open access: yes, 2011
Reactions of the platinum(II) sulfido complex [Pt₂(μ-S)₂(PPh₃)₄] with the alkyl iodides ICH₂CH₂(CF₂)nCF₃ (n = 3, 7) gives good yields of the monoalkylated products [Pt₂(μ-S){μ-SCH₂CH₂(CF₂)nCF₃}(PPh₃)₄]⁺, which were isolated as PF₆⁺or BPH₄⁻ salts, and ...
Henderson, William   +2 more
core   +2 more sources

Synthesis of chiral cyclohexanes and carbasugars by 6-exo-dig radical cyclisation reactions

open access: yesBeilstein Journal of Organic Chemistry, 2008
Treatment of 5-(tert-butyldimethylsilyl)-2,3-O-isopropylidene-D-ribose with lithium acetylides gave mixtures of syn- and anti-alkynols 2a–2c which were separated following protection as methoxymethyl ethers.
Rajeev K. Shrivastava   +4 more
doaj   +1 more source

High throughput synthesis of 2,5-substituted indoles using a titanium carbenoid bearing boronate functionality [PDF]

open access: yes, 2008
A titanium benzylidene complex bearing a boronate group converted resin-bound esters into enol ethers. Suzuki cross-coupling with aryl iodides followed by cleavage with acid completed the solid-phase synthesis of 2,5-disubstituted N-Boc-indoles.
Hartley, R.C.   +3 more
core   +1 more source

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