Results 41 to 50 of about 15,377,514 (211)

Bis[2-(benzylamino)pyridine-κN](2-formyl-6-methoxyphenolato-κ2O1,O6)(nitrato-κ2O,O′)nickel(II)

Acta Crystallographica Section E, 2009
In the title compound, [Ni(C8H7O3)(NO3)(C12H12N2)2], the asymmetric unit contains a NiII atom, two molecules of 2-(benzylamino)pyridine, a molecule of deprotonated o-vanillin (3-methoxysalicylaldehydate) and a bidentate nitrate anion.
Ray J. Butcher, Yilma Gultneh, Kouassi Ayikoé   +2 more
doaj   +1 more source

Mechanistic Kinetic Analysis of Fast Pyrolysis of Vanillin to Primary Phenols

Frontiers in Energy Research, 2022
Vanillin is a major fine chemical in the flavoring industry and one of the pyrolysates from lignin. In order to understand the primary decomposition pathways of vanillin, analytical fast pyrolysis experiments were performed in the temperature range of ...
Attada Yerrayya, Upendra Natarajan, Ravikrishnan Vinu   +2 more
doaj   +1 more source

High‐Performance Bio‐Based Epoxy Vitrimers and Composites: Synergizing Robustness and Reprocessability via Fractional Free Volume Regulation

Advanced Science, EarlyView.
In this work, two bio‐based epoxy monomers were designed to tune the dynamic network of a rigid–flexible hybrid epoxy through free‐volume control, achieving a synergy among high free volume, high cross‐linking density, and segmental mobility while balancing strength and toughness.
Kai Dong, Di Zhao, Chengji Zhao
wiley   +1 more source

Whole-molecule disorder of the heterometallic complex diaqua-1κ2O-dichlorido-2κ2Cl-(μ-2-formyl-6-methoxyphenolato-1κ2O1,O2:2κO6){μ-2-methoxy-6-[(methylimino)methyl]phenolato-1κ2N,O1:2κO6}lead(II)nickel(II)

Acta Crystallographica Section E: Crystallographic Communications
The new molecular complex [NiPb(C9H10NO2)(C8H7NO3)Cl2(H2O)2] with the Schiff base 2-methoxy-6-[(methylimino)methyl]phenol and ortho-vanillin ligands, both deprotonated, crystallizes in the monoclinic space group P21/c with one molecule per asymmetric ...
Olga Yu. Vassilyeva, Vladimir N. Kokozay, Evgeny Goreshnik   +2 more
doaj   +1 more source

Chemical Simulation and Quantum Chemical Calculation of Lignin Model Compounds

BioResources, 2015
The conformational preferences of the lignin guaiacyl structural unit were studied by several quantitative chemistry calculation methods using vanillin as a model compound.
Yiming Hu, Lin Zuo, Jiangyan Liu, Jingyu Sun, Shubin Wu   +4 more
doaj   +1 more source

Die Aza‐Büchner–Curtius–Schlotterbeck‐Reaktion: Selektive Bildung Quartärer Kohlenstoffzentren

Angewandte Chemie, EarlyView.
Wir stellen die Aza‐Büchner–Curtius–Schlotterbeck‐(ABCS)‐Reaktion vor: eine milde, katalysatorfreie Methode zur Homologierung von Aryliminen. Im Gegensatz zum traditionellen BCS‐Mechanismus durchläuft das Diazo‐Intermediat eine selektive C─C‐Insertion zur Bildung eines quartären Zentrums.
Simon O. Angerer, Vincent George, Aryaman Pattanik, Gaia Carpentiero, Tereza Morcinková, Julia Rehbein, Burkhard König   +6 more
wiley   +1 more source

Synthesis of 2-methoxy-6-(pyrazin-2-ylimino methyl) phenol and its antibacterial activitity

Molbank, 2004
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N. Hadi, M. Motamedifar, A. A. Jarrahpour, M. Zarei   +3 more
doaj   +1 more source

Crystal structure of tetrakis(μ3-2-{[1,1-bis(hydroxymethyl)-2-oxidoethyl]iminomethyl}-6-methoxyphenolato)tetrakis[aquacopper(II)]: a redetermination at 200 K

Acta Crystallographica Section E: Crystallographic Communications, 2015
The crystal structure of the tetranuclear title compound, [Cu4(C12H15NO5)4(H2O)4], has been previously reported by Back, Oliveira, Canabarro & Iglesias [Z. Anorg. Allg. Chem. (2015), 641, 941–947], based on room-temperature data.
Elena A. Buvaylo, Olga Yu. Vassilyeva, Brian W. Skelton   +2 more
doaj   +1 more source

Aza‐Büchner–Curtius–Schlotterbeck Reaction Enables Selective Construction of Quaternary Carbon Centers

Angewandte Chemie International Edition, EarlyView.
We introduce the Aza‐Büchner–Curtius–Schlotterbeck (ABCS) reaction: A mild, catalyst‐free method for homologating aryl imines. Diverging from the traditional BCS mechanism, the diazo intermediate undergoes selective C─C insertion to form an all‐carbon quaternary center.
Simon O. Angerer, Vincent George, Aryaman Pattanik, Gaia Carpentiero, Tereza Morcinková, Julia Rehbein, Burkhard König   +6 more
wiley   +1 more source

Crystal structure of 4,10-dimethoxy-13-methyl-6H,12H-6,12-epiminodibenzo[b,f][1,5]dioxocine

Acta Crystallographica Section E: Crystallographic Communications, 2017
The title compound, C17H17NO4, lacks crystallographic symmetry with one molecule per asymmetric unit. The molecule exists in a folded butterfly-like conformation; the benzene rings form a dihedral angle of 84.72 (7)°.
Katerina V. Kasyanova, Vladimir N. Kokozay, Elena A. Buvaylo, Olga Yu. Vassilyeva, Brian W. Skelton   +4 more
doaj   +1 more source