Zobrazeno 1 - 10
of 27
pro vyhledávání: '"1-phenylbutane"'
Autor:
Liudmil Antonov, Poul Erik Hansen, Silvia Hristova, Fadhil S. Kamounah, Daniela Nedeltcheva, Nevse Molla
Publikováno v:
Dyes and Pigments. 144:249-261
The title compound is potentially tautomeric and its tautomerism was studied by means of molecular spectroscopy (1H and 13C NMR and UV–Vis) in DMSO as well as by quantum chemical calculations (M06-2X/TZVP). The detailed assignment of the NMR signal
Autor:
Aurélien Crochet, Poul Erik Hansen, Liudmil Antonov, Fadhil S. Kamounah, Katharina M. Fromm, Silvia Hristova, Daniela Nedeltcheva
Publikováno v:
Hristova, S, Kamounah, F S, Crochet, A, Hansen, P E, Fromm, K M, Nedeltcheva, D & Antonov, L 2019, ' Isomerization and aggregation of 2-(2-(2-hydroxy-4-nitrophenyl)hydrazono)-1-phenylbutane-1,3-dione : Recent evidences from theory and experiment ', Journal of Molecular Liquids, vol. 283, pp. 242-248 . https://doi.org/10.1016/j.molliq.2019.03.073
The title compound potentially can exist as four isomers in solution. Recently Lycka has proposed a protocol for distinguishing two of them based on 15N NMR. This approach has been confirmed theoretically, in the current study, and further developed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::71a5c9e6fad01de1ebe747c07d9a37af
http://doc.rero.ch/record/326728/files/fro_iaa.pdf
http://doc.rero.ch/record/326728/files/fro_iaa.pdf
Autor:
V. D. Dyachenko
Publikováno v:
Russian Journal of Organic Chemistry. 47:1535-1539
4-Aryl-6-phenyl-2-thioxo-1,2-dihydropyridine-3-carbonitriles were synthesized by three-component condensation of aromatic aldehydes with cyanothioacetamide and 4,4,4-trifluoro-1-phenylbutane-1,3-dione. The reaction involved initial formation of Micha
Autor:
Gabriel Chuchani, Tania Cordova, Simon J. Subero, José R. Mora, Marcos Loroño, Alexis Maldonado
Publikováno v:
International Journal of Chemical Kinetics. 43:292-302
The kinetics and mechanisms of the dehydrochlorination of 2-chloro-1- phenylethane, 3-chloro-1-phenylpropane, 4-chloro-1-phenylbutane, 5-chloro-1-phenylpentane, and their corresponding chloroalkanes were examined by means of electronic structure calc
Publikováno v:
Synlett. 2011:1101-1104
Treatment of 4-amino-4-phenyl-butan-2-ol with mesyl chloride, followed by displacement with amine nucleophiles resulted in a 1,3 rearrangement via an azetidinium cation intermediate. This rearrangement has been proven to proceed via a double inversio
Publikováno v:
Chinese Journal of Chemistry. 28:294-298
A new and efficient way was developed to carry out the reaction of 4,4,4-trifluoro-1-phenylbutane-1,3-dione with iodobenzene diacetate under the assistance of Cu(II) and 2,2′-biimidazole at a low temperature in excellent yield. 2-Acetoxyacetophenon
Publikováno v:
Organic Preparations and Procedures International. 41:243-247
n-Butylbenzene (1), an unwanted by-product formed in 10% yield during the manufacture of isobutylbenzene, has few industrial applications and is discarded by burning. In an attempt to produce a val...
Autor:
Assem Barakat, Wolfgang Frey, Saied M. Soliman, Yahia N. Mabkhot, Salim S. Al-Showiman, Hazem A. Ghabbour
Publikováno v:
Zeitschrift für Kristallographie-New Crystal Structures, Vol 231, Iss 2, Pp 473-474 (2016)
C13H14O2S2, triclinic, P1̅ (no. 2) a = 8.0970(9) Å, b = 8.8152(10) Å, c = 9.8217(10) Å, α = 76.269(5)°, β = 69.539(4)°, γ = 82.065(5)°, ϛ = 636.87(12) Å3, Z = 2, R gt (F) = 0.028, wR ref (F 2 ) = 0.073, T = 100 K.
Publikováno v:
Russian Chemical Bulletin. 56:178-180
(1 g, 4.5 mmol)and oxalyl chloride (0.4 mL, 4.5 mmol) in anhydrous toluene(25 mL) was refluxed for 3 h. After completion of the reaction,the precipitate was filtered, and the filtrate was concentratedand cooled. The precipitate that formed was filter
Publikováno v:
Journal of Fluorine Chemistry. 85:129-133
Reacting 4,4,4-trifluoro-3-hydroxy-1-phenylbutane-1-one (1) with the dichlorophosphines RPCl 2 ( 2a , R = Me; 2b , R = Ph) gave the phosphonites 3a and 3b , which, in the case of 3a , was trapped using hexaHuoroacetone to furnish the 1,3,2λ 5 σ 5 -