R. Ya. Okmanov

53 works

S.Yunusov Institute of the Chemistry of Plant Substances, Academy of Sciences of Uzbekistan, Mirzo Ulugbek St 77, Tashkent 100170, Uzbekistan

2-Methyl-4-oxo-6,7,8,9-tetrahydrothieno[2′,3′:4,5]pyrimidino[1,2-a]pyridine-3-carboxylic acid
Burkhon Elmuradov, Khurshed Bozorov, R. Ya. Okmanov +2
ArticleCrystal structures of chemical compoundsActa Crystallographica Section E Structure Reports Online20116 citations
ABI
Quinazolines. 3*. synthesis of 6-bromo-8-chloro-sulfonylquinazoline-2,4(1h,3h)-dione and its interaction with nucleophilic reagents
Rustamkhon Kuryazov, Н. С. Мухамедов, D. A. Dushamov +3
ArticleQuinazolinone synthesis and applicationsChemistry of Heterocyclic Compounds20105 citations
ABI
Alternative and efficient method for the preparation of 2-acetamidobenzimidazoles
Burkhon Elmuradov, А. Ш. Абдуразаков, R. Ya. Okmanov +2
ArticleSynthesis and biological activityEgyptian Journal of Chemistry20213 citations
ABI
Reactions of Quinazoline Alkaloids and their Derivatives with Electrophilic Reagents
Z. U. Samarov, Z.M. Khakimova, R. Ya. Okmanov +2
ArticleQuinazolinone synthesis and applicationsChemistry of Natural Compounds20083 citations
ABI
Synthesis and structure of 6-bromo-4-hydroxy-2,3-tetramethylene-3,4-dihydroquinazoline and its mixed crystal with 4-hydroxy-2,3-tetramethylene-3,4-dihydroquinazoline
N. I. Mukarramov, R. Ya. Okmanov, F.R. Utaeva +4
ArticleQuinazolinone synthesis and applicationsChemistry of Natural Compounds20093 citations
ABI
Synthesis, crystal structure and evaluation of the cytotoxic, antimicrobial activity of some S- and N-derivatives of 5-phenyl-1,2,4-triazole-2,4-dihydro-3-thione
A. A. Ziyaev, С. А. Сасмаков, R. Ya. Okmanov +5
ArticleSynthesis and biological activityChemical Data Collections20253 citations
ABI
9-Furfurylidene-2,3-dimethyl-6,7,8,9-tetrahydro-4H-thieno[2′,3′:4,5]pyrimidino[1,2-a]pyridin-4-one
Khurshed Bozorov, Burkhon Elmuradov, R. Ya. Okmanov +2
ArticleSynthesis and biological activityActa Crystallographica Section E Structure Reports Online20103 citations
ABI
Benzazoles: I. Regioselective arylsulfonylation of benzimidazol-2-amine
T. N. Kaipnazarov, К. Б. Абдиреймов, Н. С. Мухамедов +4
ArticleSulfur-Based Synthesis TechniquesRussian Journal of Organic Chemistry20132 citations
ABI
Stereochemistry of tropane alkaloid of convolvine and their derivatives
K. K. Turgunov, D. B. Kadirova, R. Ya. Okmanov +2
ArticleAlkaloids: synthesis and pharmacologyEuropean Journal of Chemistry20192 citations
ABI
Rinderidine and oblongifolidine new pyrrolizidine alkaloids fromRindera oblongifoliaM. Popov and their absolute configurations
R. M. Ruzibaeva, Х. М. Бобакулов, N. I. Mukarramov +4
ArticlePlant Toxicity and Pharmacological PropertiesNatural Product Research20222 citations
ABI
Synthesis and Structures of 5-(2,4-Dichlorophenyl)-1,3,4-Oxadiazole-2-Thione Alkyl Derivatives and Estimation of the Aromaticity of the Oxadiazole Ring
R. Ya. Okmanov, U.S. Makhmudov, A. A. Ziyaev +4
ArticleStructural and Chemical Analysis of Organic and Inorganic CompoundsJournal of Structural Chemistry20242 citations
ABI
(E)-3-[4-(Dimethylamino)benzylidene]-2,3-dihydro-1H,9H-pyrrolo[2,1-b]quinazolin-9-one
Burkhon Elmuradov, R. Ya. Okmanov, А. Ш. Абдуразаков +2
ArticleQuinazolinone synthesis and applicationsActa Crystallographica Section E Structure Reports Online20102 citations
ABI
Synthesis and evaluation of cytotoxic and antimicrobial activity of some 3-aryl-6-phenyl-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazines
A. A. Ziyaev, E. O. Terent’eva, R. Ya. Okmanov +5
ArticleSynthesis and Characterization of Heterocyclic CompoundsCurrent Chemistry Letters20242 citations
ABI
Syntheses, crystal structures and Hirshfeld surface analysis of 2-(benzylsulfanyl)-5-[4-(dimethylamino)phenyl]-1,3,4-oxadiazole and 2-[(2-chloro-6-fluorobenzyl)sulfanyl]-5-[4-(dimethylamino)phenyl]-1,3,4-oxadiazole
R. Ya. Okmanov, A. A. Ziyaev, Azimboy Sh. Abdukarimov +2
ArticleCrystal structures of chemical compoundsActa Crystallographica Section E Crystallographic Communications20232 citations
ABI
Benzazoles: II. Synthesis and arenesulfonylation of 1-methyl-1H-benzimidazol-2-amine
T. N. Kaipnazarov, Н. С. Мухамедов, R. Ya. Okmanov +2
ArticleSynthesis and biological activityRussian Journal of Organic Chemistry20132 citations
ABI
2-n-Butyl-6-chloro-1-(2,4-dimethylphenylsulfonyl)-1H-benzimidazole–2-n-butyl-5-chloro-1-(2,4-dimethylphenylsulfonyl)-1H-benzimidazole (0.759/0.241)
K.B. Abdireymov, Н. С. Мухамедов, R. Ya. Okmanov +2
ArticleSynthesis and biological activityActa Crystallographica Section E Structure Reports Online20112 citations
ABI
1-[(4-tert-Butylphenyl)sulfonyl]-1H-benzimidazole
K.B. Abdireymov, Н. С. Мухамедов, R. Ya. Okmanov +2
ArticleCrystal structures of chemical compoundsActa Crystallographica Section E Structure Reports Online20111 citations
ABI
Benzazoles. 6*. Synthesis and Arylsulfonation of 2-Hydroxymethylbenzimidazole
К. Б. Абдиреймов, Н. С. Мухамедов, R. Ya. Okmanov +3
ArticleChemical Reaction MechanismsChemistry of Heterocyclic Compounds20131 citations
ABI
Crystal structure of 2,3-dimethoxy-5,6,7,8,13,13a-hexahydro-6a,8-diazaindeno[2,1-b]phenanthrene methanol monosolvate
Sh. M. Adizov, A. Sh. Saidov, K. K. Turgunov +2
ArticleAxial and Atropisomeric Chirality SynthesisActa Crystallographica Section E Crystallographic Communications20151 citations
ABI
Crystal structures of 2-amino-2-oxoethyl 4-bromobenzoate, 2-amino-2-oxoethyl 4-nitrobenzoate and 2-amino-2-oxoethyl 4-aminobenzoate monohydrate
F.A. Sapayev, R. Ya. Okmanov, T.S. Kholikov +2
ArticleCrystal structures of chemical compoundsActa Crystallographica Section E Crystallographic Communications20201 citations
ABI
Crystal structure and Hirshfeld surface analysis of bis(6,7,8,9-tetrahydro-11H-pyrido[2,1-b]quinazolin-5-ium) tetrachloridozincate
Akmaljon Tojiboev, R. Ya. Okmanov, Ulli Englert +4
ArticleQuinazolinone synthesis and applicationsActa Crystallographica Section E Crystallographic Communications20211 citations
ABI
Synthesis, structure, and assessment of aromaticity of the 1,3,4-oxadiazole ring in N- and S-alkyl derivatives of 5-phenyl-1,3,4-oxadiazol-2-thione using the Bird index
A. A. Ziyaev, R. Ya. Okmanov, Utkir S. Makhmudov +4
ArticleStructural and Chemical Analysis of Organic and Inorganic CompoundsJournal of the Iranian Chemical Society20251 citations
ABI
Crystal structures of vasicinone and peganidine hydrochloride
R. Ya. Okmanov, Б. Ташходжаев, Z.M. Khakimova +2
ArticleSynthesis and bioactivity of alkaloidsChemistry of Natural Compounds20101 citations
ABI
3-Methyl-2-(3,3,3-trichloro-2-hydroxypropyl)quinazolin-4(3H)-one
Fotima Rabbimovna Utayeva, R. Ya. Okmanov, N. I. Mukarramov +2
ArticleQuinazolinone synthesis and applicationsActa Crystallographica Section E Structure Reports Online20131 citations
ABI
Crystal structures of alkaloid peganine and its cocrystal with peganol
R. Ya. Okmanov, A.G. Tozhiboev, K. K. Turgunov +4
ArticleSynthesis and bioactivity of alkaloidsJournal of Structural Chemistry20090 citations
ABI

R. Ya. Okmanov

2-Methyl-4-oxo-6,7,8,9-tetrahydrothieno[2′,3′:4,5]pyrimidino[1,2-<i>a</i>]pyridine-3-carboxylic acid

Quinazolines. 3*. synthesis of 6-bromo-8-chloro-sulfonylquinazoline-2,4(1h,3h)-dione and its interaction with nucleophilic reagents

Alternative and efficient method for the preparation of 2-acetamidobenzimidazoles

Reactions of Quinazoline Alkaloids and their Derivatives with Electrophilic Reagents

Synthesis and structure of 6-bromo-4-hydroxy-2,3-tetramethylene-3,4-dihydroquinazoline and its mixed crystal with 4-hydroxy-2,3-tetramethylene-3,4-dihydroquinazoline

Synthesis, crystal structure and evaluation of the cytotoxic, antimicrobial activity of some S- and N-derivatives of 5-phenyl-1,2,4-triazole-2,4-dihydro-3-thione

9-Furfurylidene-2,3-dimethyl-6,7,8,9-tetrahydro-4<i>H</i>-thieno[2′,3′:4,5]pyrimidino[1,2-<i>a</i>]pyridin-4-one

Benzazoles: I. Regioselective arylsulfonylation of benzimidazol-2-amine

Stereochemistry of tropane alkaloid of convolvine and their derivatives

Rinderidine and oblongifolidine new pyrrolizidine alkaloids from<i>Rindera oblongifolia</i>M. Popov and their absolute configurations

Synthesis and Structures of 5-(2,4-Dichlorophenyl)-1,3,4-Oxadiazole-2-Thione Alkyl Derivatives and Estimation of the Aromaticity of the Oxadiazole Ring

(<i>E</i>)-3-[4-(Dimethylamino)benzylidene]-2,3-dihydro-1<i>H</i>,9<i>H</i>-pyrrolo[2,1-<i>b</i>]quinazolin-9-one

Synthesis and evaluation of cytotoxic and antimicrobial activity of some 3-aryl-6-phenyl-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazines

Syntheses, crystal structures and Hirshfeld surface analysis of 2-(benzylsulfanyl)-5-[4-(dimethylamino)phenyl]-1,3,4-oxadiazole and 2-[(2-chloro-6-fluorobenzyl)sulfanyl]-5-[4-(dimethylamino)phenyl]-1,3,4-oxadiazole

Benzazoles: II. Synthesis and arenesulfonylation of 1-methyl-1H-benzimidazol-2-amine

2-<i>n</i>-Butyl-6-chloro-1-(2,4-dimethylphenylsulfonyl)-1<i>H</i>-benzimidazole–2-<i>n</i>-butyl-5-chloro-1-(2,4-dimethylphenylsulfonyl)-1<i>H</i>-benzimidazole (0.759/0.241)

1-[(4-<i>tert</i>-Butylphenyl)sulfonyl]-1<i>H</i>-benzimidazole

Benzazoles. 6*. Synthesis and Arylsulfonation of 2-Hydroxymethylbenzimidazole

Crystal structure of 2,3-dimethoxy-5,6,7,8,13,13a-hexahydro-6a,8-diazaindeno[2,1-<i>b</i>]phenanthrene methanol monosolvate

Crystal structures of 2-amino-2-oxoethyl 4-bromobenzoate, 2-amino-2-oxoethyl 4-nitrobenzoate and 2-amino-2-oxoethyl 4-aminobenzoate monohydrate

Crystal structure and Hirshfeld surface analysis of bis(6,7,8,9-tetrahydro-11<i>H</i>-pyrido[2,1-<i>b</i>]quinazolin-5-ium) tetrachloridozincate

Synthesis, structure, and assessment of aromaticity of the 1,3,4-oxadiazole ring in N- and S-alkyl derivatives of 5-phenyl-1,3,4-oxadiazol-2-thione using the Bird index

Crystal structures of vasicinone and peganidine hydrochloride

3-Methyl-2-(3,3,3-trichloro-2-hydroxypropyl)quinazolin-4(3<i>H</i>)-one

Crystal structures of alkaloid peganine and its cocrystal with peganol