共查询到20条相似文献,搜索用时 0 毫秒
1.
E. K. Beloglazkina A. G. Majouga I. V. Yudin N. V. Zyk A. A. Moiseeva K. P. Butin 《Russian Chemical Bulletin》2005,54(9):2163-2168
A series of S-alkylated 2-thiohydantoin derivatives containing two 5-(2-pyridylmethylene)-2-sulfanyl-3,5-dihydro-4H-imidazol-4-one moieties linked through a polymethylene bridge with different numbers of carbon atoms was synthesized for
the first time. These compounds were obtained by the alkylation of 3-phenyl-5-(2-pyridylmethylene)-2-thiohydantoin or 3-methyl-5-(2-pyridylmethylene)-2-thiohydantoin
with different α,ω-dibromoalkanes in acetone or DMF in the presence of potassium carbonate. Complexes of these compounds (L)
with CoCl2 were synthesized. In all cases, the complexes L(CoCl2)2 were formed regardless of the ratio of L and inorganic salt introduced into the reaction. According to electronic spectroscopic
data, the cobalt atom in the complexes has a tetrahedral coordination environment. The synthesized ligands and complexes were
electrochemically studied by cyclic voltammetry.
Dedicated to Academician N. S. Zefirov on the occasion of his 70th birthday.
Deceased.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 9, pp. 2099–2104, September, 2005. 相似文献
2.
3.
3-Aroylpyrrolo[1,2-a]quinoxaline-1,2,4(5H)-triones reacted with 1,3,3-trimethyl-2-methylidene-2,3-dihydro-1H-indole (Fischer’s base) to give (2Z)-1-aryl-2-[3-oxo-3,4-dihydroquinoxalin-2(1H)-ylidene]-5-(1,3,3-trimethyl-2,3-dihydro-1H-indol-2-ylidene)pentane-1,3,4-triones. 相似文献
4.
5.
N. L. Racheva Z. G. Aliev A. N. Maslivets 《Russian Journal of Organic Chemistry》2008,44(8):1184-1188
3-Aroyl-1H-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones react with methyl 4-aryl-2-arylamino-4-oxobut-2-enoate to give substituted methyl 7-aryl-4,9-bis(aroyl)-3-hydroxy-1-(2-hydroxyphenyl)-2,6-dioxo-1,7-diazaspiro[4.4]nona-3,8-diene-8-carboxylates
which undergo thermal cyclization to methyl 9-aroyl-4,7-diaryl-1-(2-hydroxyphenyl)-2,3,8-trioxo-2,3,7,8-tetrahydro-1H,6H-6,8a-methanopyrrolo[2,3-e][1,3]oxazepine-6-carboxylates. The crystalline and molecular structures of methyl 9-benzoyl-1-(2-hydroxyphenyl)-2,3,8-trioxo-4,7-diphenyl-2,3,7,8-tetrahydro-1H,6H-6,8a-methanopyrrolo[2,3-e][1,3]oxazepine-6-carboxylate was studied by X-ray analysis.
Original Russian Text ? N.L. Racheva, Z.G. Aliev, A.N. Maslivets, 2008, published in Zhurnal Organicheskoi Khimii, 2008, Vol.
44, No. 8, pp. 1197–1201.
For communication LX, see [1]. 相似文献
6.
Thermolysis of 3-aroylpyrrolo[1,2-d][1,4]benzoxazine-1,2,4(4H)-triones generates aroyl(2-oxo-1,4-benzoxazin-3-yl)ketenes which react as dienes at the aroylketene fragment in [4 + 2]-cycloaddition at the C=N bond of N,N??-dicyclohexylcarbodiimide with formation of 3-[6-aryl-4-oxo-3-cyclohexyl-2-cyclohexylimino-3,4-dihydro-2H-1,3-oxazin-5-yl]-2H-1,4-benzoxazin-2-ones. Thermolysis of the latter is accompanied by elimination of N,N??-dicyclohexylcarbodiimide, and aroyl(2-oxo-1,4-benzoxazin-3-yl)ketenes thus generated undergo cyclodimerization to produce 7-aroyl-6,10-dioxo-9-(2-oxo-2H-1,4-benzoxazin-3-yl)-6,10-dihydrobenzo[b]pyrido[1,2-d][1,4]oxazin-8-yl benzoates. 相似文献
7.
P. S. Silaichev Z. G. Aliev A. N. Maslivets 《Russian Journal of Organic Chemistry》2009,45(1):126-130
Isopropyl 2-(1-aryl-4,5-dioxo-2-phenyl-4,5-dihydro-1H-pyrrol-3-yl)-2-oxoacetates reacted with N-substituted 3-amino-5,5-dimethylcyclohex-2-en-1-ones to give the corresponding 1′-substituted (Z)-6′,6′-dimethyl-3-[phenyl(arylamino)methylidene]-6′,7′-dihydro-3H-spiro[furan-2,3′-indole]-2′,4,4′,5(1′H,5′H)-tetraones. The structure of 1′-benzyl-6′,6′-dimethyl-3-[(Z)-phenyl(phenylamino)methylidene]-6′,7′-dihydro-3Hspiro[furan-2,3′-indole]-2′,4,4′,5(1′H,5′H)-tetraone was proved by X-ray analysis. 相似文献
8.
N. L. Racheva Z. G. Aliev M. A. Belova I. V. Mashevskaya A. N. Maslivets 《Russian Journal of Organic Chemistry》2008,44(5):701-705
3-Aroyl-1H-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones react with substituted alkyl 3-amino-2-propenoates to form substituted alkyl 3-aroyl-4-hydroxy-1-o-hydroxyphenyl-5-oxo-2,5-dihydro-1H-pyrrole-2-spiro-3′-(2-oxo-2,3-dihydro-1H-pyrrole-4-carboxylates). Crystal and molecular structure of ethyl 3-benzoyl-4-hydroxy-1-o-hydroxyphenyl-5-oxo-2,5-dihydro-1H-pyrrole-2-spiro-3′-(5-methyl-2-oxo-2,3-dihydro-1H-pyrrole-4-carboxylate) was investigated. 相似文献
9.
E. E. Stepanova Z. G. Aliev A. N. Maslivets 《Russian Journal of Organic Chemistry》2013,49(12):1762-1767
3-Aroyl-1H-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones reacted with alkyl vinyl ethers according to the [4 + 2]-cycloaddition pattern with formation of substituted (1S*,16R*)- and (1R*,16R*)-16-alkoxy-14-aryl-3,15-dioxa-10-azatetracyclo[8.7.0.01,13.04,9]heptadeca-4,6,8,13-tetraene-2,11,12-triones. The structure of (1S*,16R*)-7-chloro-16-ethoxy-14-phenyl-3,15-dioxa-10-azatetracyclo[8.7.0.01,13.04,9]heptadeca-4,6,8,13-tetraene-2,11,12-trione was determined by X-ray analysis. A new synthetic approach was developed to heteroanalogs of 13(14→8)-abeo steroids, substituted 3,15-dioxa-10-azatetracyclo[8.7.0.01,13.04,9]heptadecanes. 相似文献
10.
P. S. Silaichev M. V. Dmitriev Z. G. Aliev A. N. Maslivets 《Russian Journal of Organic Chemistry》2010,46(8):1173-1177
Ethyl 1-alkyl-4,5-dioxo-2-phenyl-4,5-dihydro-1H-pyrrole-3-carboxylates reacted with 3-arylamino-5,5-dimethylcyclohex-2-en-1-ones as carbon-centered 1,5-binucleophiles to
give the corresponding substituted ethyl 1′-alkyl-3,3-dimethyl-1,2′-dioxo-5′-phenyl-1′,2,2′,3,4,10-hexahydro-1H-spiro[acridine-9,3′-pyrrole]-4′-carboxylates whose structure was proved by X-ray analysis. 相似文献
11.
3-Aroyl-1H-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones react with N′-(5,5-dimethyl-3-oxocyclohex-1-en-1-yl)benzohydrazides to give the corresponding N-[3′-aroyl-4′-hydroxy-1′-(2-hydroxyphenyl)-6,6-dimethyl-2,4,5′-trioxo-1′,4,5,5′,6,7-hexahydrospiro[indole-3,2′-pyrrol]-1(2H)-yl]benzamides. The molecular and crystalline structure of one of the products, N-[3′-benzoyl-4′-hydroxy-1′-(2-hydroxyphenyl)-6,6-dimethyl-2,4,5′-trioxo-1′,4,5,5′,6,7-hexahydrospiro[indole-3,2′-pyrrol]-1(2H)-yl]-3-nitrobenzamide, was determined by X-ray analysis. 相似文献
12.
John Nicolson Low Justo Cobo Manuel Nogueras Adolfo Sánchez Jairo Quiroga Diana Mejía 《Acta Crystallographica. Section C, Structural Chemistry》2001,57(11):1356-1358
Molecules of the title compound, C28H27ClN4O4·C2H6O, form a C(6) chain via an N—H⋯O hydrogen bond along the c axis by the operation of a c-glide plane, with N⋯O = 2.761 (3) Å and N—H⋯O = 165°. The molecules are further linked by a weak C—H⋯O interaction, with C⋯O = 3.344 (4) Å and C—H⋯O = 150°. Pendant hydrogen-bonded ethanol solvent molecules are attached to the chains by O—H⋯N hydrogen bonds, with O⋯N = 2.904 (3) Å and O—H⋯N = 175°. 相似文献
13.
N. M. Tutynina N. L. Racheva V. A. Maslivets Z. G. Aliev A. N. Maslivets 《Russian Journal of Organic Chemistry》2013,49(1):95-98
3-Aroyl-1H-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones reacted with 5,5-dimethylcyclohexane-1,3-dione to give 3′-aroyl-4′-hydroxy-1′-(2-hydroxyphenyl)-6,6-dimethyl-6,7-dihydrospiro[1-benzofuran-3,2′-pyrrole]-2,4,5′(1′H,5H)-triones. The crystalline and molecular structures of 3′-benzoyl-4′-hydroxy-1′-(2-hydroxyphenyl)-6,6-dimethyl-6,7-dihydrospiro[1-benzofuran-3,2′-pyrrole]-2,4,5′(1′H,5H)-trione were determined by X-ray analysis. 相似文献
14.
E. S. Denislamova Z. G. Aliev A. N. Maslivets 《Russian Journal of Organic Chemistry》2014,50(7):1012-1016
Methyl 1-aryl-3-benzoyl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates reacted with N′-(5,5-dimethyl-3-oxocyclohex-1-en-1-yl)benzohydrazides and N′-(5,5-dimethyl-3-oxocyclohex-1-en-1-yl)-2,2-diphenylacetohydrazide to give substituted N-[1′-aryl-3′-benzoyl-4′-hydroxy-6,6-dimethyl-2,4,5′-trioxo-1′,4,5,5′,6,7-hexahydrospiro[indole-3,2′-pyrrol]-1(2H)-yl]benz- and -diphenylacetamides. 相似文献
15.
A. V. Aksenov O. N. Nadein I. V. Borovlev Yu. I. Smushkevich 《Chemistry of Heterocyclic Compounds》1998,34(3):316-320
A method was developed for the synthesis of 2-alkyl(aryl)-1,2-dihydro-2,3-biquinolines, based on the addition of organolithium compounds to 2,3-biquinoline in the presence of tetramethylethylenediamine. Their oxidation with manganese dioxide led to 2-alkyl(aryl)-2,3-biquinolines.For Communication 2, see [1].Stavropol State University, Stavropol 355009, Russia. Russian Chemical-Technology University, Moscow 125190. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 3, pp. 350–354, March, 1998. 相似文献
16.
Tuncer Hökelek Muhammed Işıklan Zeynel Kılıç 《Acta Crystallographica. Section C, Structural Chemistry》2001,57(1):117-119
In the title compound, C18H17N3O2, a strong intramolecular O—H⃛N hydrogen bond [N⃛O 2.607 (3), O—H 0.97 (3) and H⃛N 1.71 (3) Å, and O—H⃛N 153 (2)°] was observed, which leads to a unique phenol–imine tautomerism in the solid state. The C=N imine bond distance and the C—N—C bond angle [1.287 (2) Å and 121.7 (1)°, respectively] indicate the existence of this phenol–imine tautomer. In solution, the phenol–imine tautomer of the title free Schiff base ligand is dominant in both polar and non-polar solvents, as supported by 1H NMR and UV–visible spectroscopic data. 相似文献
17.
D. A. Tatarinov A. A. Kostin T. A. Baronova A. B. Dobrynin E. V. Mironova D. B. Krivolapov B. I. Buzykin V. F. Mironov 《Russian Journal of Organic Chemistry》2013,49(4):516-525
A new approach has been developed to the synthesis of dialkyl(diaryl)(2-methyl-4-oxopent-2-yl)-phosphine oxides that are structural analogs of the drug dimephosphon. This approach is based on the reaction of 2-chloro-3,3,5-trimethyl-3H-1,2λ5-oxaphosphole 2-oxide with Grignard compounds, and it ensures high yields of the target products. The structure of bis(2-methoxyphenyl)(2-methyl-4-oxopent-2-yl)phosphine oxide was determined by X-ray analysis. (2-Methyl-4-oxopent-2-yl)dipropylphosphine oxide with magnesium bromide formed a 4: 1 complex whose structure was also determined by X-ray analysis. 相似文献
18.
Alexander Eresko Valerij Tolkunov Sergej Tolkunov 《Monatshefte für Chemie / Chemical Monthly》2011,45(2):931-934
Abstract
A series of new 3-substituted 6-(4-chlorophenyl)-9-methyl-12H-[1]benzofuro[3,2-e][1,2,4]triazolo[4,3-b][1,2]diazepines was synthesized from the corresponding bicyclic 1-(4-chlorophenyl)-3,5-dihydro-8-methyl-4H-[1]benzofuro[2,3-d][1,2]diazepin-4-one. The synthesis strategy makes use of silylation–amination as the key step, allowing a wide range of derivatives to be prepared. 相似文献19.
以(E)-N,N-二甲基-4-(2-(吡啶-4-基)乙烯基)苯胺(EDPVA)为有机源,以金属卤化物ZnX_2和CdX_2为无机源,用相应的浓酸HX(X=Cl、Br)提供酸性介质,通过溶剂缓慢挥发法得到了4个离子型单核有机-无机杂化金属卤化物(H_2EDPVA)[ZnCl_4](1)、(H_2EDPVA)[ZnBr_4](2)、(H_2EDPVA)[CdCl_4](3)和(H_2EDPVA)[CdBr_4](4)。X射线单晶衍射分析表明,交替排列的刚性有机阳离子(H_2EDPVA)~(2+)和稍微扭曲的四面体形无机阴离子[MX_4]~(2-)(M=Zn、Cd;X=Cl、Br)之间存在静电作用和氢键。发光性质研究表明,化合物1~4的蓝色磷光峰分别位于459、446、440和434 nm,斯托克斯位移分别为79、72、61和55 nm,半峰宽分别为100、88、87和100 nm,发光寿命τ分别为0.47、8.38、18.38和11.62μs。发光机理分析表明:化合物1~4的磷光发射是有机阳离子和无机阴离子协同作用的结果。 相似文献
20.
以4-(1H-1,2,4-三氮唑)苯甲酸(Htbc)为配体,采用水热法合成了两种新型4d-4f配位聚合物{[EuAg(tbc)3(H2O)]ClO4·H2O}n(1)和{[Eu2Ag3(tbc)6(NO3)2(H2O)2](ClO4)2·2H2O}n(2)。运用X射线单晶衍射法对该配位聚合物进行了结构测定,并对其进行了元素分析、红外光谱、PXRD及荧光光谱表征。单晶结构表明,配位聚合物1为正交晶系,空间群P212121,由一维三股螺旋链(其中2股右手螺旋和1股左手螺旋)通过Ag将其连成二维平面。配位聚合物2属于三斜晶系,空间群为P1,由内消旋一维两股螺旋链通过Ag将其连成二维平面。配位聚合物1和2的二维链结构均通过非共价键作用形成三维超分子,同时也表征了配位聚合物1和2的荧光性质。 相似文献