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1.
I. D. Ivanchikova R. N. Myasnikova M. S. Shvartsberg 《Russian Chemical Bulletin》1998,47(10):1975-1979
Methyl 1-acetylenyl-9,10-anthraquinone-2-carboxylates react with NH2NH2 in ethanol at 80°C to give commensurable amounts of substituted 7H-dibenzo[de,h]quinolin-7-ones and 3,4-dihydro-3-aminonaphtho[2,3-f]isoquinoline-4,7,12-triones. The main, route of the reaction apparently includes nucleophilic addition of the reagent to
the triple bond of the ester followed by intramolecular cyclization of the adduct with either the carbonyl or the methoxycarbonyl
groups involved.
Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 10 pp. 2031–2035, October, 1998. 相似文献
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I. Ya. Mainagashev L. S. Klimenko V. P. Vetchinov V. I. Mamatyuk 《Russian Chemical Bulletin》1993,42(5):899-903
Irradiation of a mixture of 1-aryloxy-2-amino-9,10-anthraquinone and amines in benzene results in formation of the derivatives of 2-amino-1-hydroxy-9,10-anthraquinone-9-alkyl(aryl)imines in a high yield. 2-Amino-1-hydroxy-9,10-anthraquinone-9-aikylimines were shown by13C and15N NMR to exist predominantly in the enaminoquinoid form whereas 2-amino-1-hydroxy-9,10-anthraquinone-9-arylimines exist in the oxyimine form. Sunlight irradiation of the derivatives of 2-benzoylamino-9,10-anthraqumone-9-alkylimines results in formation of the photocyclization products — 4-benzoylaminoanthra-[9,1-d,e]-1,3-oxasinones-7.Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 5, pp. 940–944, May, 1993. 相似文献
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Photochemical fluorimetry (PCF) is an analytical technique based on a photochemical reaction, such as photoreduction, photooxidation, photoisomerization or photocyclization. 相似文献
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Pilyugin V. S. Chikisheva G. E. Valitov R. B. Sapozhnikov Yu. E. 《Russian Journal of General Chemistry》2002,72(9):1439-1443
A method for preparing 4-amino-3,4'-dinitrodiphenyl sulfide is developed, based on the reaction of 2-nitro-4-thiocyanatoaniline with 4-nitrochlorobenzene in aqueous-alkaline medium in the presence of a phase-transfer catalyst (PEG 400 or Katamin AB). 相似文献
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V. V. Shchepin D. V. Fotin V. V. Fotin M. I. Vakhrin S. N. Shurov 《Russian Journal of General Chemistry》2004,74(7):1105-1107
Reformatsky reagents generated from alkyl esters of bromoacetic, -bromopropionic, -bromobutyric, and -bromoisobutyric acids react with alkyl esters of 6,8-dibromo-2-oxochromene-3-carboxylic acid to form alkyl esters of 6,8-dibromo-4-(1-alkoxycarbonylalkyl)-2-oxochromane-3-carboxylic acid. 相似文献
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《Supramolecular Science》1998,5(5-6):747-749
Sodium 9,10-anthraquinone-2-sulfonate (AQS) binds to the double helical DNA with a high affinity, as deduced from the absorption and fluorescence spectral data. The results of absorption spectra, KI quenching studies, competitive binding studies, and thermal denaturation experiments suggested the intercalative binding of AQS into DNA bases. 相似文献
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N. A. Kogan 《Chemistry of Heterocyclic Compounds》1975,11(4):442-446
The effect of a substituent in benzaldehydes during reactions with 1-alkylindole-2-carboxylic acid and its esters and anilide is expressed in the formation of either di(3-indolyl)phenylmethanes or 1-alkyl-2-carboxy(carbomethoxy, carbanilido)-3-(α-X-benzyl)indoles. The possibility of replacement of X by OH, OAc, SC2H5, and hydrazine groups is shown. 相似文献
14.
Determination of DNA using sodium 9,10-anthraquinone-2-sulfonate as an in situ photochemical fluorescence probe 总被引:2,自引:0,他引:2
Wen-You Li Xiang-Qun Guo Jin-Gou Xu Qing-Zhi Zhu Yi-Bing Zhao 《Analytica chimica acta》1997,340(1-3):291-296
An in situ photochemical fluorescence probe method for the determination of DNA with sodium 9,10-anthraquinone-2-sulfonate (AQS) as a photochemical fluorescence probe was developed. It was based on the conversion of AQS into an intensively fluorescent product by irradiating with UV radiation. The photochemical reaction is retarded by DNA. The determination can be carried out by measuring the fluorescence intensity at a fixed time. The calibration graph was linear in the range 0–80 ng ml−1 calf thymus (CT) DNA (r = 0.9991), the limit of detection was 3.2 ng ml−1 CT DNA (n = 9). The kinetic behaviour of the photochemical reaction and the effects of experimental conditions were investigated and discussed in detail. The results of absorption spectra and competitive binding experiments suggested the interaction between AQS and DNA to be intercalative. 相似文献
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Prishchenko A. A. Livantsov M. V. Novikova O. N. Livantsova L. I. Koval' Ya. N. Grigor'ev E. V. 《Russian Journal of General Chemistry》2003,73(11):1829-1831
Russian Journal of General Chemistry - 相似文献
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N. A. Anisimova A. A. Kuzhaeva G. A. Berkova V. M. Berestovitskaya L. I. Deiko 《Russian Journal of General Chemistry》2005,75(11):1750-1756
Investigation of the reactions of phosphorylated 2-nitro- and 2-bromo-2-nitroethenes with furan showed that bis(2-chloroethyl) 2-nitroethenylphosphonate reacts with this heterocycle according to the pathway of diene condensation, while in the case of 2-bromo-2-nitroethenylphosphonate by two pathways, the complete diene synthesis accompanied by aromatization, and the electrophilic substitution at C2-atom of the furan with the subsequent partial dehydrohalogenation. 相似文献
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N. G. Khusainova O. A. Mostovaya E. A. Berdnikov I. A. Litvinov D. B. Krivolapov R. A. Cherkasov 《Russian Journal of Organic Chemistry》2005,41(9):1260-1264
Dialkyl 3-methyl-1,2-butadienylphosphonates take up 2-aminoethanol, butylamine, diethylamine, and morpholine in such a way that the amino nitrogen atom adds at the central carbon of the allene triad. The reactions with primary amines lead to the corresponding 1-phosphoryl-2-amino-1-butenes and isomeric 1-phosphoryl-2-iminobutanes, while secondary amines give rise to 1,2- and 2,3-enamines. 相似文献