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1.
Facile nucleophilic substitution of the chloride ion to give 5-alkoxy- or 5-aryloxy-anthra[1,9-cd]-6-isoxazolones occurs in the reaction of 5-chloroanthra[1,9-cd]-6-isoxazolone with alcohols and phenols. The possibility of conversion of the synthesized isoxazolones to 1-amino-4-alkoxyanthraquinones is demonstrated.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 10, pp. 1329–1331, October, 1983. 相似文献
2.
S. N. Nikolaeva A. S. Zolotareva S. V. Ponomarev V. S. Petrosyan 《Russian Chemical Bulletin》1994,43(5):857-861
Dialkylamino- and alkoxytrialkylstannanes have been studied as N- and O-nucleophilic reagents in substitution reactions at the B-Br bond. The previously unknown bis(dialkylamino)- and dialkoxyboryl trialkylsilyl ketenes were synthesized. Some peculiarities of the reactivity of these compounds have been studied.Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 5, pp. 911–915, May, 1994.This research was carried out in the framework of the Universities of Russia State Program. 相似文献
3.
L. M. Gornostaev G. I. Zolotareva D. Sh. Verkhovodova 《Chemistry of Heterocyclic Compounds》1984,20(7):717-720
The reaction of 5-haloanthra[1,9-cd]-6-isoxazolones with aziridine gave 5-aziri-dinoanthra[1,9-cd]-6-isoxazolones. The latter, upon reaction with acids, undergo cleavage of the aziridine ring.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 7, pp. 885–888, July, 1984. 相似文献
4.
N. S. Vul'fson V. N. Bochkarev G. M. Zolotareva B. V. Unkovskii V. B. Mochalin Z. I. Smolina A. N. Vul'fson 《Russian Chemical Bulletin》1970,19(6):1368-1370
Conclusions The mass spectra ofthree 6-alkoxy-3-dihydropyranes and of three 6-alkoxy-2-dihydropyranes have been studied. As distinct from the previously studied 2-alkoxy-3-dihydropyranes, the dominant fragmentation pattern for the compounds under investigation is by retrodiene degradation. Furthermore, in the case of the 2-isomers the charge is preferentially localized on the olefin fragment while for the 3-isomers, it is located on the diene fragment.Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 6, pp. 1442–1444, June, 1970. 相似文献
5.
Rumyantcev R. V. Zolotareva N. V. Novikova O. V. Petrov B. I. Lazarev N. M. Semenov V. V. 《Crystallography Reports》2021,66(3):441-447
Crystallography Reports - Reactions of nitrilotriacetic acid with 2-aminoethanol, 2-amino-2-(hydroxymethyl)propane-1,3-diol, and 2,2'-(ethylenedioxy)bis(ethylamine) afford the following salts... 相似文献
6.
Panova Yu. S. Sheyanova A. V. Sushev V. V. Zolotareva N. V. Cherkasov A. V. Kornev A. N. 《Russian Chemical Bulletin》2020,69(10):1897-1906
Russian Chemical Bulletin - The reaction of benzophenone hydrazone with chlorodiphenylphosphine in the presence of triethylamine affords the monophosphino derivative Ph2C=N-N(H)PPh2(1). The... 相似文献
7.
L. M. Gornbstaev G. F. Zeibert G. I. Zolotareva 《Chemistry of Heterocyclic Compounds》1980,16(7):704-707
The behavior of 3,5-dihalo derivatives of anthra[1, 9-c,d]isoxazol-6-one with respect to primary and secondary amines was studied. 5-Chloroanthra[1,9-c,d]isoxazol-6-one undergoes amination particularly readily. The products of the reaction of isoxazoles with amines are the corresponding amino derivatives. The amination of 5-chloroanthra[1,9-c,d] isoxazol-6-one in refluxing dimethylformamide (DMF) is accompanied by reductive cleavage of the isoxazole ring and the formation of 1-amino-4-arylaminoanthraquinones. Amination in the 5 position with substitution of a hydride ion takes place primarily in the reaction of 3-chloroanthra[1,9-c,d]isoxazol-6-one with benzylamine of cyclohexylamine, whereas the chlorine in the 3 position is replaced by the action of morpholine or piperidine on the same substrate.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 7, pp. 912–915, July, 1980. 相似文献
8.
Vul'fson N. S. Zolotareva G. M. Bochkarev V. N. Smolina Z. I. Unkovskii B. V. Mochalin V. B. 《Russian Chemical Bulletin》1970,19(2):380-382
Conclusions The mass spectra of ten 3,4-didesoxy-3-amino sugars have been studied. A novel type of ring cleavage was detected in the molecular ions of these compounds, which had not been encountered in previously studied sugar derivatives.Translated from Izvestiya Akademii Nauk, SSSR Seriya Khimcheskaya, No. 2, pp.437–439, February, 1970. 相似文献
9.
An approach to the solution of unsteady problems with mixed boundary conditions for a layer of heavy fluid is developed. The plane problem of wave excitation by displacements given in a certain region of the lower boundary of the layer when the upper boundary is partially covered by an elastic plate is examined by way of illustration. As distinct from [1, 2], the proposed approach makes it possible to construct a solution in the form of a sum of harmonics and to carry out an analytic investigation into the nature of the propagation and stabilization of the wave fields. The space-time regions of the forming and formed wave packets are identified.Translated from Izvestiya Akademii Nauk SSSR, Mekhanika Zhidkosti i Gaza, No. 6, pp. 100–106, November–December, 1985. 相似文献
10.