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243“…The 1,1′-(butane-1,4-diyl)diimidazole ligands are located around two sets of inversion centers and bridge Zn(II) ions, forming a zigzag polymeric chain. …”
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244por Rüffer, Tobias, Joubert, Chris C., Buitendach, Blenerhassit E., Swarts, Jannie C., Jakob, Alexander, Lang, Heinrich“…The Cu(I) ion, together with its chelating butane-1,3-dione group, is mutually coplanar [greatest displacement of an atom from this plane = 0.037 (1) Å], and the Cu(I) ion lies slightly above [0.013 (1) Å] the plane. …”
Publicado 2011
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249“…The title molecule, C(32)H(30)F(2)N(2), a product of the condensation reaction of butane-2,3-dione and 4-fluoro-2-(1-phenylethyl)aniline, is located about an inversion centre. …”
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250“…The puckering angle of the cyclobutane ring is 32.22 (7)°, which is the largest among reported tetraaryl-substituted cyclobutanes. …”
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251por de Oliveira, Adriano Bof, Beck, Johannes, Landvogt, Christian, Feitosa, Bárbara Regina Santos, Rocha, Fillipe Vieira“…The title compound, C(11)H(15)N(3)OS, is a thiosemicarbazone derivative of the raspberry ketone rheosmin [systematic name: 4-(4-hydroxyphenyl)butane-2-one]. The molecule deviates from planarity, with the bridging C—C—C=N torsion angle equal to −101.3 (2)°. …”
Publicado 2015
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252por Yan, Xiaoyu, Yang, Ying, Zeng, Yimin, Shalchi Amirkhiz, Babak, Luo, Jing-Li, Yan, Ning“…Such combined optimizations enable effective (electro)catalytic dehydrogenation of n-butane to butenes and 1,3-butadiene. The C4 alkene yield is higher than 50% while the peak power density of the SOFC reached 212 mW/cm(2) at 650 °C. …”
Publicado 2020
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253por Varinthra, Peeraporn, Ganesan, Kiruthika, Huang, Shun-Ping, Chompoopong, Supin, Eurtivong, Chatchakorn, Suresh, Pavithra, Wen, Zhi-Hong, Liu, Ingrid Y.“…In the present study, we demonstrate that the compound 4-(phenylsulfanyl) butan-2-one (4-PSB-2) is effective in enhancing fear memory retrieval of wild-type and 3xTg-AD mice by reducing the expression of TNF-α, COX-2, and iNOS. …”
Publicado 2021
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254por Fesenko, Anastasia A., Grigoriev, Mikhail S., Arion, Vladimir B., Shutalev, Anatoly D.“…[Image: see text] Unprecedented self-assembly of a novel 14-membered cyclic bis-thiosemicarbazone or/and a 28-membered cyclic tetrakis-thiosemicarbazone upon acid-promoted cyclooligomerization of 4-(4-thiosemicarbazido)butan-2-one hydrazone has been discovered. A thorough study of the influence of various factors on the direction of macrocyclization provided the optimal conditions for the highly selective formation of each of the macrocycles in excellent yields. …”
Publicado 2022
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