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Article
Mono- and heteroligand iron(II) complexes with tris(3,5-dimethylpyrazol-1-yl)methane
Coordination compounds of iron(II) thiocyanate with tris(3,5-dimethylpyrazol-1-yl)methane (HC(3,5-Me2Pz)3), [Fe(HC(3,5-Me2Pz)3)2](NCS)2] (I) and [Fe(HC(3,5-Me2Pz)3)(Рhz)(NCS)2] · H2O (II), where Рhz is phthalazin...
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Article
Reactions of arylenedioxytrihalophosphoranes with acetylenes 14. Methoxyphenylacetylenes in the reaction with 2,2,2-trichlorobenzo-1,3,2-dioxaphosphole
Reactions of 2,2,2-trichlorobenzo-1,3,2-dioxaphosphole with 2-, 3-, 4-methoxyphenyl-, 3,4-dimethoxyphenyl- and 2,3,4-trimethoxyphenylacetylenes furnished 4-phenylbenzo-1,2-oxaphosphinine derivatives. The prese...
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Article
Synthesis of 4-[3,4-di-(2,3,4-tri)methoxyphenyl]benzo[e]-1,2-oxaphosphorines
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Article
Spin crossover in heteroligand iron(II) complexes with iris(3,5-dimethylpyrazol-1-yl)methane
Heteroligand iron(II) complexes with tris(3,5-dimethylpyrazol-1-yl)methane (HC(3,5-Me2Pz)3) are synthesized. Along with this ligand, the internal coordination sphere of Fe(II) of the new complexes includes other ...
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Article
Cobalt(II), nickel(II), and copper(II) bromide complexes with 3-amino-4-ethoxycarbonylpyrazole: Syntheses, structures, and magnetic properties
New complexes of cobalt(II), nickel(II), and copper(II) bromides with 3-amino-4-ethoxycarbo- nylpyrazole (L) of the composition ML4Br2 · 2H2O (M = Co(II) and Ni(II)) and CuL2Br2 are synthesized. The compounds are...
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Article
Synthesis of bis(6-chloro-2-oxo-2H-1,2λ5-benzoxaphosphinin-4-yl)arenes
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Article
Base-catalyzed heterocyclization of 2-(R-ethynyl)benzohydroxamic acids
Sonogashira alkynylation of methyl 2-iodobenzoate with terminal acetylenes gave a series of methyl 2-(alk-1-yn-1-yl)benzoates which reacted with hydroxylamine in boiling methanol to produce five- or six-membered
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Article
Magnetic properties of new complexes of 3d metal chlorides with 3-amino-4-ethoxycarbonylpyrazole
New complexes of Co(II), Ni(II), and Cu(II) chlorides with 3-amino-4-ethoxycarbonylpyrazole (L) of the composition ML2Cl2 are synthesized. The compounds are studied by powder X-ray diffraction, electronic and IR ...
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Article
Effect of electronic nature of substituents in arylacetylene on the rate of reaction with 2,2,2-trichloroareno-1,3,2-dioxaphosphols
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Article
Reaction of arylenedioxytrihalophosphoranes with acetylenes 11. Electronic effect of the substituent in arylacetylene on the reaction rate
The reactions of 2,2,2-trichlorobenzo-1,3,2-dioxaphosphole and its benzo-substituted derivatives with arylacetylenes containing strong +M-donors and -M-acceptors afford benzo[e]-1,2-oxaphosphinine 2-oxides (phosp...
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Article
Spin crossover in the coordination compounds of iron(II) with tris(3,5-dimethylpyrazol-1-yl)methane
Iron(II) complexes with tris(3,5-dimethylpyrazol-1-yl)methane {HC(3,5-Me2Pz)3} of the composition [Fe{HC(3,5-Me2Pz)3}2]Am · nH2O (A = Cl− (I), ClO 4 − (II), SO ...
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Article
High-temperature spin transition in the iron(II) trifluoromethylsulfonate, perrhenate, and tetraphenylborate complexes with tris(pyrazol-1-yl)methane
New coordination compounds of iron(II) trifluoromethylsulfonate, perrhenate, and tetraphenylborate with tris(pyrazol-1-yl)methane (HC(Pz)3) of the composition [Fe(HC(Pz)3)2]A2 (A = CF3SO3
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Article
An x-ray diffraction study of the reaction products of copper(II) chloride with N1,N2-bis(5-methylpyridin-2-yl)oxalamide
Polymeric complexes of [Cu2Cl2L2]∞ copper(I) chloride (1) (L = N1,N2-bis(5-methylpyridin-2-yl)-oxalamide)) and {[Cu2(C2O4)Cl2L](L)·2H2O}∞ copper(II) chloride (2) are obtained. The complexes are studied by powder ...
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Article
Viktor Georgievich Kartsev
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Article
New transformation of α-acetylenic ketones under the action of 1,2-diaminoethane
A reaction of 3-aryl-1-(3,4,5-trimethoxyphenyl)prop-2-yn-1-ones with 1,2-diaminoethane in boiling dioxane leads to 2-aryl-4,5-dihydro-1H-imidazoles and 1-(3,4,5-trimethoxy-phenyl)ethanone.
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Article
Spin crossover in iron(II) complexes with tris(pyrazol-1-yl)methane
Mononuclear iron(II) coordination compounds with tris(pyrazol-1-yl)methane (HC(Pz)3) described as [Fe{HC(Pz)3}2]A2 × nH2O, where A = Cl−, Br−, I−, 1/2 SO 4 2− ,...
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Article
Specific non-valent iodine...chlorine interactions in the structures of copper(ii) chloride complexes with bis(3,5-dimethyl-4-iodopyrazol-1-yl)methane
Copper(II) chloride complexes with bis(3,5-dimethyl-4-iodopyrazol-1-yl)methane (L) with a composition of CuLCl2 (1), [Cu2(fu2-C1)2L2(H2O)2]C12-2(CH2)2CO (2), and [Cu3(fu2-C1)6L2]-(CH3)2CO (3) are synthesized. Sin...
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Article
Copper(II) complexes with bis(4-iodo-3,5-dimethylpyrazol-1-yl)methane: Synthesis, spectroscopic study, and crystal structure
New complexes of copper(II) nitrate, chloride, tetrafluoroborate, perchlorate, and perrhenate with bis(4-iodo-3,5-dimethylpyrazol-1-yl)methane (L) were obtained. The molecular and crystal structures of [CuL(H2O)(...
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Article
Synthesis of the first acetylene derivatives of betulonic acid
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Article
The structure of a new copper(II) complex with 3-methyl-5-carboxylatopyrazole
Molecular and crystal structures of a new complex compound of copper(II) with 3-methyl-5-carboxylatopyrazole (CH3PzCOO−) with the composition Cu(CH3PzCOO)2·H2O have been determined by single crystal XRD. It has b...
