633-657
Oxidation of heterocyclic compounds by manganese dioxide (Review)*
A. T. Soldatenkov, K. B. Polyanskii, N. M. Kolyadina and S. A. Soldatova
658-661
Chemistry of iminofurans 3. *Synthesis and intramolecular cyclization of (Z)-4-aryl- 2-[3-(ethoxycarbonyl)-4,5,6,7-tetra- hydrobenzo[b]thiophen-2-ylamino]- 4-oxobuten-2-oic acids
S. A. Shipilovskikh, A. E. Rubtsov and V. V. Zalesov
662-665
Synthesis of 6-amino-4-aryl- 2R-4H-furo[2,3-b]pyran-5-carbo- nitriles based on the condensation of 3-arylmethylene-3H-furan-2-ones with malononitrile
T. V. Aniskova and A. Yu. Yegorova
666-671
Improved method for preparation of dibenzocrown-containing 4H-pyran- 4-one and synthesis of merocyanine dyestuffs from it
Ye. M. Poronik, M. P. Shandura, A. I. Tolmachev and Yu. P. Kovtun
672-676
Synthesis of 2-alkyl-3-(indol- 2(or 3)-yl)-1,3-dihydroisoindol- 1-ones by amidoalkylation
N. P. Andryukhova, O. A. Pozharskaya, G. A. Golubeva, L. A. Sviridova and A.V. Sadovoy
677-679
Isoprenoid derivatives of N-propargylanabasine: mild hydration of a trisubstituted double bond
M. V. Mavrov and S. G. Zlotin
680-684
Quantum-chemical description of the prototropic tautomerism of pyrimidine bases
J. A. Kereselidze, Z. V. Pachulia and T. Sh. Zarqua
685-690
Synthesis of norbornane series tetra- and hexahydropyrimidines
E. A. Shafikova, D. V. Petrov, T. A. Sapozhnikova, N. J. Baschenko and V. A. Dokichev
691-697
Synthesis of 2-aroyl-1-hydroxy-4,5-dimethylimidazoles by reaction of 3-hydroxyamino-2-butanone oxime with arylglyoxals*
S. A. Amitina, A. Ya. Tikhonov, I. A. Grigor’ev, Yu. V. Gatilov and B. A. Selivanov
698-704
4-Hydroxy-2-quinolones 155*. Bioreversible chemical modification of chinoxycaine at the tertiary amino group as a method of improving its pharmaceutical activity
I. V. Ukrainets, V. V. Kravtsova, A. A. Tkach and V. B. Rybakov
705-714
4-hydroxy-2-quinolones 165*. 1-R-4-hydroxy-2-oxo-1,2-dihydro-quinoline-3-carbaldehydes and their thiosemicarbazones. Synthesis, structure, and biological properties
I. V. Ukrainets, Liu Yangyang, A. A. Tkach, O. V. Gorokhova and A. V. Turov
715-720
Design and synthesis of new potential ligands of μ- and δ-opiate receptors in the series of decahydro-4a-hydroxy-6-isoquinolone
M. L. Kostochka, V. G. Vinokurov, V. P. Lezina and P. M. Klodt
721-725
Synthesis of 2,3-dihydroperimidine ketones
I. V. Borovlev and O. P. Demidov
726-734
Heterocyclization of 2-acyl-3-indolylacetic acids using hydrazine. Synthesis of 2,3-dihydro-2-oxo-5-R1-1H-[1,2]diazepino[4,5-b]indoles
V. S. Tolkunov, A. B. Eresko, A. I. Khizhan, O. V. Shishkin and G. V. Palamarchuk, et al.
735-741
On reactions of thiadiazinones: synthesis of new 6-arylidene-1,3,4-thiadiazin-5-ones
Hany M. Dalloul and Ali Z. El-Shorafa
742-744
Routes of conformational isomerization of 4-substituted 1,3,2-dioxaborinanes
O. Yu. Valiakhmetova, S. A. Bochkor and V. V. Kuznetsov
745-747
Letters to the Editor
Recyclization of ethyl 4-hydroxy-2-thioxohexa-hydropyrimidine-5-carboxy-lates into 5-acyl-5,6-dihydro-2-thiouracils
A. D. Shutalev and N. S. Zhukova
748-749
The question of the regiodirection of the [2+3] cycloaddition reaction of triphenylnitrone to nitroethene
R. Jasiński
750-751
Formation of 5-methylthio-1,3,4-oxadiazoles in the conditions of the Hoggarth reaction
O. O. Nesterova and M. V. Voevudsky
752-754
Enzymatic synthesis of amoxicilloic acids
M. Vorona, G. Veinberg, E. Liepinsh, H. Kažoka and G. Andrejeva, et al.
755
Erratum
4-Hydroxy-2-quinolones. 154. Pyrimidin- 2-ylamides of 1-r-4-hydroxy-2-oxo-1,2-dihydro- quinoline-3-carboxylic acids. Synthesis, structure, and properties
I. V. Ukrainets, A. A. Tkach, L. A. Grinevich, A. V. Turov and O. V. Bevz