Five-membered 2,3-dioxoheterocycles 3. The reaction of 5-aryl-2,3-dihydrofuran-2,3-diones with aliphatic and aromatic nitriles Yu. S. AndreichikovD. D. NekrasovA. Yu. Konovalov OriginalPaper Pages: 610 - 613
Structures and photo- and thermochromic properties of spiropyrans of the 2-oxaindan series with polycondensed chromene fragments S. M. AldoshinV. A. LokshinV. I. Minkin OriginalPaper Pages: 614 - 624
Pyrilocyanines. 24. Symmetrical tetra-tert-butyl substituted pyrilo-2-cyanines V. V. KurdyukovA. A. IshchenkoA. I. Tolmachev OriginalPaper Pages: 628 - 633
Synthesis and recyclization of 4-chloromethylflavylium and 4-chloromethylbenzothiapyrilium salts S. V. TolkunovV. I. Dulenko OriginalPaper Pages: 633 - 635
Preparation of substituted 4-(3-methyl-3-hydroxy-1-butynyl)-2-ethoxy-1,3-dioxolanes I. Yu. KibinaSh. M. MusantaevaA. V. Shchelkunov OriginalPaper Pages: 636 - 637
gem-Dialkoxylation of 2-acetylthiophenes and 2-acetylfurans G. N. GordeevaS. M. KalashnikovU. B. Imashev OriginalPaper Pages: 638 - 641
Mass-spectrometric behavior of N-substituted 2-methyl-3-acetyl pyrroles E. A. RunovaN. M. Tanchuké. A. Karakhanov OriginalPaper Pages: 641 - 643
New synthesis of 5,6-benzindole L. B. ShagalovG. M. OstapchukN. N. Suvorov OriginalPaper Pages: 644 - 645
Synthesis of tetraphenylporphines with active groups in the phenyl rings. 4. Functionally substituted monohydroxy derivatives of tetraphenylporphine S. A. SyrbuA. S. SemeikinB. D. Berezin OriginalPaper Pages: 645 - 650
Synthesis of new pyrazole and isoxazole derivatives based on products of condensation of β-dicarbonyl compounds with 1,2,3-trihalopropanes Sh. T. AkhmedovN. S. SadykhovN. S. Zefirov OriginalPaper Pages: 651 - 655
Vibrational spectra, structures, and conformations of conjugated azomethines — 3-imidazoline derivatives M. M. MitasovYu. V. GatilovL. B. Volodarskii OriginalPaper Pages: 655 - 660
Formation of 1,4- and 1,5-regioisomers of triazolines in reactions of 2-ethoxyethyl azide with monosubstituted ethylenes G. A. LanovayaV. F. MishchenkoE. D. Korniets OriginalPaper Pages: 660 - 664
Nucleophilic addition to 1,2,2,6,6-pentamethyl-3,5-dimethylene-4-piperidone A. M. BelostotskiiA. B. Shapiro OriginalPaper Pages: 665 - 669
Mass spectroscopic study of 2,5-dimethyl-4-benzoyl- and 2,5-dimethyl-4-benzylpyridine derivatives P. I. ZakharovA. N. GusarovN. S. Prostakov OriginalPaper Pages: 670 - 675
Quaternization of pyridines with haloadamantanes V. A. SokolenkoN. M. Svirskaya OriginalPaper Pages: 675 - 677
Synthesis and spectral luminescent properties of certain pyridine and quinoline analogs of isomeric distyrylnaphthalenes and styryl- and distyrylanthracenes E. M. VernigorM. V. Koz'menkoV. K. Shalaev OriginalPaper Pages: 677 - 680
Nature of the fluorescent states of quinoline analogs of styryl and distyrylanthracene E. M. VernigorM. V. Koz'menkoV. K. Shalaev OriginalPaper Pages: 681 - 685
3-Aryl-2-benzyl -1,2-dihydroquinoxalines V. D. OrlovB. InsuastiN. N. Kolos OriginalPaper Pages: 685 - 687
Synthesis of azotriazines L. M. MironovichV. K. PromonenkovS. E. Bogushevich OriginalPaper Pages: 687 - 689
Purines and pyrimidines and condensed systems based on them. 2. Synthesis of 1-methyl-9-aminoxanthine and 9-aminotheophylline V. V. Kuz'menkoT. A. Kuz'menkoA. V. Gulevskaya OriginalPaper Pages: 690 - 697
Heterocyclization of compounds containing diazo and cyano groups. 4. Reactions of 2-diazo-2-cyanoacetic acid amides with P4S10 and the lawesson reagent. Synthesis and recyclization of 5-amino-1,2,3-thiadiazole-4-carbothioamides V. A. BakulevE. F. DankovaA. T. Lebedev OriginalPaper Pages: 698 - 701
Oxidation of halohydroxybenzo-2,1,3-thiadiazoles with nitric acid I. A. Belen'kayaG. P. KrokhinaS. A. Andronati OriginalPaper Pages: 702 - 704
New synthesis of diaminodinitrodibenzo-18-crown-6 derivatives é. I. IvanovA. A. PolishchukR. Yu. Ivanova Letters to the Editor Pages: 705 - 705
Cross cyclization of tertiary cyanoacetylenic alcohols with sulfide ion B. A. TrofimovYu. M. SkvortsovO. M. Fartysheva Letters to the Editor Pages: 706 - 706
Formation of 1,2-diselenol-3-one in the copyrolysis of propargyl alcohol and dimethyl selenide M. G. Voronkové. N. DeryaginaL. V. Klyba Letters to the Editor Pages: 707 - 707
1,3-Dipolar cycloaddition of cycloimmonium ylids that form from pyridines and dichlorocarbene A. F. KhlebnikovR. R. Kostikov Letters to the Editor Pages: 708 - 709
Pyrimidine ring transformations to 6-nitroazolo[1,5-a]pyrimidines — A one-step synthesis of azolylamino derivatives of nitropyridine V. L. RusinovT. L. PilichevaO. N. Chupakhin Letters to the Editor Pages: 709 - 709
