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Vinogradov DB, Izmest’ev AN, Kravchenko AN, Strelenko YA, Gazieva GA. Synthesis of imidazo[4,5- e][1,3]thiazino[2,3- c][1,2,4]triazines via a base-induced rearrangement of functionalized imidazo[4,5- e]thiazolo[2,3- c][1,2,4]triazines. Beilstein J Org Chem 2023; 19:1047-1054. [PMID: 37533878 PMCID: PMC10390826 DOI: 10.3762/bjoc.19.80] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 07/11/2023] [Indexed: 08/04/2023] Open
Abstract
A series of imidazo[4,5-e][1,3]thiazino[2,3-c][1,2,4]triazines was synthesized via a cascade sequence of hydrolysis and skeletal rearrangement of imidazo[4,5-e]thiazolo[2,3-c][1,2,4]triazin-7(8H)-ylidene)acetic acid esters in methanol upon treatment with excess KOH. Imidazo[4,5-e]thiazolo[3,2-b][1,2,4]triazin-6(7H)-ylidene)acetic acid esters are also suitable substrates for the reaction. In this case hydrolysis and thiazole ring expansion were accompanied with the change of the thiazolotriazine junction type from thiazolo[3,2-b][1,2,4]triazine to thiazino[2,3-c][1,2,4]triazine.
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Affiliation(s)
- Dmitry B Vinogradov
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky Prosp., Moscow 119991, Russian Federation
| | - Alexei N Izmest’ev
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky Prosp., Moscow 119991, Russian Federation
| | - Angelina N Kravchenko
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky Prosp., Moscow 119991, Russian Federation
| | - Yuri A Strelenko
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky Prosp., Moscow 119991, Russian Federation
| | - Galina A Gazieva
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky Prosp., Moscow 119991, Russian Federation
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Izmest’ev AN, Kravchenko AN, Gazieva GA. Synthesis and antiproliferative activity characterization of new imidazothiazolotriazine oxindolylidene derivatives containing various substituents in the oxindole ring. Chem Heterocycl Compd (N Y) 2022; 58:531-538. [PMID: 36340219 PMCID: PMC9617224 DOI: 10.1007/s10593-022-03125-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 06/29/2022] [Indexed: 11/09/2022]
Abstract
Condensation of 1,3-diethyltetrahydroimidazo[4,5-е]thiazolo[3,2-b][1,2,4]triazine-2,7-dione with isatins followed by framework rearrangement in the thiazolotriazine moiety was used to synthesize two new series of oxindolylidenetetrahydroimidazo[4,5-е]thiazolo- [3,2-b][1,2,4]triazine-2,7-diones and oxindolylidenetetrahydroimidazo[4,5-е]thiazolo[2,3-c][1,2,4]triazine-2,8-diones containing various substituents in the oxindole moiety. The obtained compounds were tested for antiproliferative activity. The greatest activity was observed in the case of 1-alkyl-7-methyloxindolylidene derivatives of imidazo[4,5-е]thiazolo[2,3-c]triazine, which not only inhibited the growth of more than half of the studied cell lines, but also caused cell death in the SF-539 cell line (central nervous system cancer, mean growth percent –7.82%) and MDA-MB-435 (melanoma, –30.97 and –13.64%).
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Affiliation(s)
- Alexei N. Izmest’ev
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky Ave, Moscow, 119991 Russia ,National University of Science and Technology „MISiS”, 4 Leninsky Ave, Moscow, 119049 Russia
| | - Angelina N. Kravchenko
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky Ave, Moscow, 119991 Russia
| | - Galina A. Gazieva
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky Ave, Moscow, 119991 Russia
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Izmest’ev AN, Gazieva GА, Kravchenko AN. Regioselectivity of (3+2) cycloaddition of azomethine ylides to activated olefins in the synthesis of spiro[oxindole-3,2′-pyrrolidine] derivatives. Chem Heterocycl Compd (N Y) 2020. [DOI: 10.1007/s10593-020-02654-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Izmest’ev AN, Vasileva DA, Melnikova EK, Kolotyrkina NG, Borisova IA, Kravchenko AN, Gazieva GA. Skeletal rearrangement of arylmethylideneimidazo[4,5-e]thiazolo[3,2-b]-1,2,4-triazine-2,7-diones in the synthesis of the corresponding imidazo[4,5-e]thiazolo[2,3-c]-1,2,4-triazine-2,8-diones. NEW J CHEM 2019. [DOI: 10.1039/c8nj05058a] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The synthesis of benzylideneimidazo[4,5-e]thiazolo[2,3-c]- 1,2,4-triazines via an alkali-induced skeletal rearrangement of imidazo[4,5-e]thiazolo[3,2-b]-1,2,4-triazines is reported.
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Affiliation(s)
- Alexei N. Izmest’ev
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences
- Moscow 119991
- Russian Federation
| | - Darya A. Vasileva
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences
- Moscow 119991
- Russian Federation
- D.I. Mendeleev University of Chemical Technology of Russia
- Moscow 125047
| | - Elizaveta K. Melnikova
- A.N. Nesmeyanov Institute of Organoelement Compounds
- Moscow 119991
- Russian Federation
- Lomonosov Moscow State University
- Moscow 119991
| | - Natalya G. Kolotyrkina
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences
- Moscow 119991
- Russian Federation
| | - Irina A. Borisova
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences
- Moscow 119991
- Russian Federation
| | - Angelina N. Kravchenko
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences
- Moscow 119991
- Russian Federation
| | - Galina A. Gazieva
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences
- Moscow 119991
- Russian Federation
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Izmest’ev AN, Gazieva GA, Sigay NV, Serkov SA, Karnoukhova VA, Kachala VV, Shashkov AS, Zanin IE, Kravchenko AN, Makhova NN. An effective one-pot access to polynuclear dispiroheterocyclic structures comprising pyrrolidinyloxindole and imidazothiazolotriazine moieties via a 1,3-dipolar cycloaddition strategy. Beilstein J Org Chem 2016; 12:2240-2249. [PMID: 28144290 PMCID: PMC5238633 DOI: 10.3762/bjoc.12.216] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Accepted: 10/06/2016] [Indexed: 11/25/2022] Open
Abstract
An effective and highly regio- and diastereoselective one-pot method for the synthesis of new polynuclear dispiroheterocyclic systems with five stereogenic centers (dispiro[imidazo[4,5-e]thiazolo[3,2-b]-1,2,4-triazine-6,3'-pyrrolidine-2',3''-indoles]) comprising pyrrolidinyloxindole and imidazo[4,5-e]thiazolo[3,2-b]-1,2,4-triazine moieties has been developed. The method relies on a 1,3-dipolar cycloaddition of azomethine ylides generated in situ from isatin derivatives and sarcosine to 6-benzylideneimidazo[4,5-e]thiazolo[3,2-b]-1,2,4-triazine-2,7-diones.
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Affiliation(s)
- Alexei N Izmest’ev
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prosp., 47, Moscow 119991, Russian Federation
| | - Galina A Gazieva
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prosp., 47, Moscow 119991, Russian Federation
| | - Natalya V Sigay
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prosp., 47, Moscow 119991, Russian Federation
| | - Sergei A Serkov
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prosp., 47, Moscow 119991, Russian Federation
| | - Valentina A Karnoukhova
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova Str., 28, Moscow 119991, Russian Federation
| | - Vadim V Kachala
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prosp., 47, Moscow 119991, Russian Federation
| | - Alexander S Shashkov
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prosp., 47, Moscow 119991, Russian Federation
| | - Igor E Zanin
- Voronezh State University, Universitetskaya Pl., 1, Voronezh 394000, Russian Federation
| | - Angelina N Kravchenko
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prosp., 47, Moscow 119991, Russian Federation
| | - Nina N Makhova
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prosp., 47, Moscow 119991, Russian Federation
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