Synthesis and X-ray crystal structures of three new nickel(II) complexes of benzoylhydrazones: Catalytic applications in the synthesis of 2-arylbenzoxazoles
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DOI: 10.1016/j.ica.2019.119222
Abstract: Abstract Three new complexes of nickel(II), having general formula [Ni(L1)(PPh3)] (1), [Ni(L1)(4-picoline)] (2), and [Ni(L2)(4-picoline)] (3) were synthesized by the reaction of Ni(OAc)2·4H2O with corresponding benzolyhydrazine-derived Schiff base ligands i.e. [4-(diethylamino)-2-hydroxybenzylidene]-benzohydrazonic acid (H2L1) or [2-(hydroxynaphthalen-1-yl)methylene]-benzohydrazonic… read more here.
Keywords: three new; synthesis ray; three complexes; structures three ... See more keywords
The crystal and molecular structures of three copper-containing complexes and their activities in mimicking galactose oxidase.
Sign Up to like & getrecommendations! Published in 2019 at "Acta crystallographica. Section C, Structural chemistry"
DOI: 10.1107/s2053229619003267
Abstract: The structures of three copper-containing complexes, namely (benzoato-κ2O,O')[(E)-2-({[2-(diethylamino)ethyl]imino}methyl)phenolato-κ3N,N',O]copper(II) dihydrate, [Cu(C7H5O2)(C13H19N2O)]·2H2O, 1, [(E)-2-({[2-(diethylamino)ethyl]imino}methyl)phenolato-κ3N,N',O](2-phenylacetato-κ2O,O')copper(II), [Cu(C8H7O2)(C13H19N2O)], 2, and bis[μ-(E)-2-({[3-(diethylamino)propyl]imino}methyl)phenolato]-κ4N,N',O:O;κ4O:N,N',O-(μ-2-methylbenzoato-κ2O:O')copper(II) perchlorate, [Cu2(C8H7O2)(C12H17N2O)2]ClO4, 3, have been reported and all have been tested for their activity in the oxidation of D-galactose.… read more here.
Keywords: three copper; copper containing; copper; structures three ... See more keywords
Crystal structures of three β-halolactic acids: hydrogen bonding resulting in differing Z'.
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DOI: 10.1107/s2053229622002856
Abstract: The crystal structures of three β-halolactic acids have been determined, namely, β-chlorolactic acid (systematic name: 3-chloro-2-hydroxypropanoic acid, C3H5ClO3) (I), β-bromolactic acid (systematic name: 3-bromo-2-hydroxypropanoic acid, C3H5BrO3) (II), and β-iodolactic acid (systematic name: 2-hydroxy-3-iodopropanoic acid, C3H5IO3)… read more here.
Keywords: three halolactic; halolactic acids; structures three; hydrogen ... See more keywords
Crystal structures of three ortho-substituted N-acylhydrazone derivatives
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DOI: 10.1107/s2056989017016814
Abstract: The effect of the nature of substitutions on the structural parameters and hydrogen-bonding interactions in N-acylhydrazone derivatives has been studied by synthesizing and determining the crystal structures of three ortho-substituted N-acylhydrazone derivatives, namely (E)-N-{2-[2-(2-chlorobenzylidene)hydrazinyl]-2-oxoethyl}-4-methylbenzenesulfonamide (I),… read more here.
Keywords: substituted acylhydrazone; ortho substituted; crystal structures; acylhydrazone derivatives ... See more keywords
Structures of three disubstituted [13]-macrodilactones reveal effects of substitution on macrocycle conformation
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DOI: 10.1107/s2056989020012037
Abstract: The synthesis and crystal structures of three new disubstituted [13]-macrodilactones, trans-4,8-dimethyl-1,10-dioxacyclotridec-5-ene-2,9-dione, cis-4-(4-bromophenyl)-13-methyl-1,10-dioxacyclotridec-5-ene-2,9-dione, and trans-11-methyl-4-phenyl-1,10-dioxacyclotridec-5-ene-2,9-dione are reported and their conformations are put in the context of other [13]-macrodilactone structures reported previously, showing that the number, location,… read more here.
Keywords: dioxacyclotridec ene; structures three; three disubstituted; disubstituted macrodilactones ... See more keywords
Crystal structures of three N-acylhydrazone isomers
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DOI: 10.1107/s2056989021006885
Abstract: The crystal structures of three isomers of (E)-4-chloro-N-{2-[2-(chlorobenzylidene)hydrazinyl]-2-oxoethyl}benzenesulfonamide, namely, (E)-4-chloro-N-{2-[2-(2-chlorobenzylidene)hydrazinyl]-2-oxoethyl}benzenesulfonamide (I), (E)-4-chloro-N-{2-[2-(3-chlorobenzylidene)hydrazinyl]-2-oxoethyl}benzenesulfonamide (II) and (E)-4-chloro-N-{2-[2-(4-chlorobenzylidene)hydrazinyl]-2-oxoethyl}benzenesulfonamide (III), with the general formula C15H13Cl2N3O3S are described, with the chloro group in ortho, meta and para positions in the… read more here.
Keywords: hydrazinyl oxoethyl; chlorobenzylidene hydrazinyl; crystal structures; structures three ... See more keywords
Synthesis and crystal structures of three Schiff bases derived from 3-formylacetylacetone and o-, m- and p-aminobenzoic acid
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DOI: 10.1107/s2056989021013050
Abstract: The condensation products of the o-, m- and p- isomers of aminobenzoic acid and 3-formylaceylacetone were synthesized and structurally characterized. As a result of the different substitution patterns, their crystal structures are governed by different… read more here.
Keywords: three schiff; schiff bases; synthesis crystal; structures three ... See more keywords
Crystal structures of three N,N,N′-trisubstituted thioureas for reactivity-controlled nanocrystal synthesis
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DOI: 10.1107/s2056989022000147
Abstract: Crystal structures of three N,N,N′-trisubstituted thioureas, with varying substitution patterns, for reactivity-controlled nanocrystal synthesis are reported. read more here.
Keywords: reactivity controlled; controlled nanocrystal; structures three; three trisubstituted ... See more keywords
Crystal structures of three zinc(II) halide coordination complexes with quinoline N-oxide
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DOI: 10.1107/s2056989022005953
Abstract: The structures of the three related compounds dichloridobis(quinoline N-oxide-κO)zinc(II); dibromidobis(quinoline N-oxide-κO)zinc(II) and diiodidobis(quinoline N-oxide-κO)zinc(II) are presented. read more here.
Keywords: zinc; structures three; three zinc; crystal structures ... See more keywords
Crystal structures of three newly synthesized flavanone hydrazones
Sign Up to like & getrecommendations! Published in 2023 at "Acta Crystallographica Section E: Crystallographic Communications"
DOI: 10.1107/s2056989023001184
Abstract: The crystal structures of racemic mixtures of three new flavanone-hydrazones are reported: (±,E)-N′-[5,7-dihydroxy-2-(4-hydroxyphenyl)chroman-4-ylidene]-2-(naphthalen-1-yl)acetohydrazide ethyl acetate monosolvate, (±,E)-N′-[5,7-dihydroxy-2-(4-hydroxyphenyl)chroman-4-ylidene]-4-hydroxybenzohydrazide ethanol monosolvate and (±,E)-N′-(6-methoxy-2-phenylchroman-4-ylidene)-2-(naphthalen-1-yloxy)acetohydrazide. All three hydrazones are in the E isomeric form and exhibit a pucker at… read more here.
Keywords: structures three; crystal structures; three newly; newly synthesized ... See more keywords
Syntheses and crystal structures of three salts of 1-(4-nitrophenyl)piperazine
Sign Up to like & getrecommendations! Published in 2023 at "Acta Crystallographica Section E: Crystallographic Communications"
DOI: 10.1107/s205698902300302x
Abstract: The crystal structures and Hirshfeld surface analyses of three salts of 1-(4-nitrophenyl)piperazine with 2-chlorobenzoic acid, 2-bromobenzoic acid and 2-iodobenzoic acid are reported. read more here.
Keywords: structures three; nitrophenyl piperazine; crystal structures; salts nitrophenyl ... See more keywords