Highly diastereoselective annulation of 2-substituted 3-nitro-2H-chromenes with hemicurcuminoids and curcuminoids via a double and triple Michael reaction cascade von Zimnitskiy, Nikolay S, Alexey Yu Barkov, Kochnev, Ivan A, Kutyashev, Igor B, Vladislav Yu Korotaev, Vyacheslav Ya Sosnovskikh

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Recent advances in the chemistry of 3-nitro-2H- and 3-nitro-4H-chromenes von Korotaev, Vladislav Yu, Kutyashev, Igor B., Barkov, Alexey Yu, Sosnovskikh, Vyacheslav Ya

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Hemicurcuminoids (1-styryl-1,3-diketones) - valuable multi-faceted building blocks for organic synthesis von Zimnitskiy, Nikolay S, Korotaev, Vladislav Yu, Barkov, Alexey Yu, Kochnev, Ivan A, Sosnovskikh, Vyacheslav Ya

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An expedient synthesis of novel spiro[indenoquinoxaline-pyrrolizidine]-pyrazole conjugates with anticancer activity from 1,5-diarylpent-4-ene-1,3-diones through the 1,3-dipolar cyc... von Zimnitskiy, Nikolay S, Barkov, Alexey Yu, Ulitko, Maria V, Kutyashev, Igor B, Korotaev, Vladislav Yu, Sosnovskikh, Vyacheslav Ya

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A regio- and stereocontrolled approach to the synthesis of 4-CF3-substituted spiro[chromeno[3,4-c]pyrrolidine-oxindoles] via reversible [3+2] cycloaddition of azomethine ylides gen... von Kutyashev, Igor B, Ulitko, Maria V, Alexey Yu Barkov, Zimnitskiy, Nikolay S, Vladislav Yu Korotaev, Vyacheslav Ya Sosnovskikh

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Acenaphthenequinone-Based Stabilized Azomethine Ylides in (3+2) Cycloaddition Reactions with 1,5-diarylpent-4-ene-1,3-diones von Zimnitskiy, Nikolay S., Barkov, Alexey Yu, Kutyashev, Igor B., Korotaev, Vladislav Yu, Sosnovskikh, Vyacheslav Ya

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Regio- and Stereoselective 1,3-dipolar Cycloaddition of Azomethine Ylides Based on Isatins and (thia)proline to 3-nitro-2-(trifluoro(trichloro)methyl)-2H-chromenes: Synthesis and C... von Kutyashev, Igor B., Ulitko, Maria V., Barkov, Alexey Yu, Zimnitskiy, Nikolay S., Korotaev, Vladislav Yu, Sosnovskikh, Vyacheslav Ya

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An AgOAc-catalyzed reaction of 3-nitro-2H-chromenes with ethyl diazoacetate: an efficient one-pot synthesis of ethyl 3,4-dihydrochromeno[3,4-c]pyrazole-1-carboxylates von Bykova, Lyudmila S., Kochnev, Ivan А., Barkov, Alexey Yu, Zimnitskiy, Nikolay S., Korotaev, Vladislav Yu, Sosnovskikh, Vyacheslav Ya

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3-Nitro-2H-chromenes in [3+2] cycloaddition reaction with azomethine ylides derived from N-unsubstituted α-amino acids and isatins: regio- and stereoselective synthesis of spirochr... von Kutyashev, Igor B., Barkov, Alexey Yu, Korotaev, Vladislav Yu, Sosnovskikh, Vyacheslav Ya

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[3+2] Annulation of 2-substituted 3-nitro-2H-chromenes with mercaptoacetaldehyde: stereoselective synthesis of tetrahydro-4H-thieno[3,2-c]chromen-3-ols von Barkov, Alexey Yu, Kochnev, Ivan A., Simonov, Nikita S., Kutyashev, Igor B., Zimnitskiy, Nikolay S., Korotaev, Vladislav Yu, Sosnovskikh, Vyacheslav Ya

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2-Substituted 3-nitro-2H-chromenes in reaction with azomethine ylide derived from ninhydrin and proline: regio- and stereoselective synthesis of spiro[chromeno[3,4-a]pyrrolizidine-... von Korotaev, Vladislav Yu, Kutyashev, Igor B., Barkov, Alexey Yu, Sosnovskikh, Vyacheslav Ya

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Different behavior of azomethine ylides derived from 11H-indeno[1,2-b]quinoxalin-11-one and proline/sarcosine in reactions with 3-nitro-2H-chromenes von Kutyashev, Igor B., Barkov, Alexey Yu, Zimnitskiy, Nikolay S., Korotaev, Vladislav Yu, Sosnovskikh, Vyacheslav Ya

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Two approaches toward the regio- and stereoselective synthesis of N-unsubstituted 3-aryl-4-(trifluoromethyl)-4H-spiro-[chromeno[3,4-c]pyrrolidine-1,3'-oxindoles] von Korotaev, Vladislav Yu, Barkovskii, Savelii V., Kutyashev, Igor B., Ulitko, Maria V., Barkov, Alexey Yu, Zimnitskiy, Nikolay S., Kochnev, Ivan А., Sosnovskikh, Vyacheslav Ya

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1,5-Diarylpent-4-ene-1,3-diones in the synthesis of spiro[(thia)pyrrolizidine-3,3'-oxindoles] and 1,3-diaryl-5-spiro[oxindole-3,3'-pyrrolizidin-2'-yl]-1H-pyrazoles von Korotaev, Vladislav Yu, Zimnitskiy, Nikolay S., Denikaev, Andrey D., Barkov, Alexey Yu, Kutyashev, Igor B., Sosnovskikh, Vyacheslav Ya

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3-Nitro-2-(trihalomethyl)-2H-chromenes in reactions with sodium azide: synthesis of 4-(trihalomethyl)-2,4-dihydrochromeno[3,4-d][1,2,3]triazoles von Korotaev, Vladislav Yu, Kutyashev, Igor B., Barkov, Alexey Yu, Sosnovskikh, Vyacheslav Ya

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Stabilized azomethine ylides derived from indeno[1,2-b]quinoxalinones in [3+2] cycloaddition reactions with electrophilic alkenes von Korotaev, Vladislav Yu, Zimnitskiy, Nikolay S., Barkov, Alexey Yu, Kutyashev, Igor B., Sosnovskikh, Vyacheslav Ya

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Regio- and stereoselective 1,3-dipolar cycloaddition of indenoquinoxalinone azomethine ylides to β-nitrostyrenes: synthesis of spiro[indeno[1,2-b]quinoxaline-11,3'-pyrrolizidines]... von Barkov, Aleksey Yi, Zimnitskiy, Nikolay S., Korotaev, Vladislav Yu, Kutyashev, Igor B., Moshkin, Vladimir S., Sosnovskikh, Vyacheslav Ya

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3-Nitro-2-phenyl-2-(trifluoromethyl)-2H-chromenes in reaction with N-methylazomethine ylide: stereoselective synthesis of 3a,4,4-trisubstituted chromeno[3,4-c]pyrrolidines von Korotaev, Vladislav Yu, Kutyashev, Igor B., Barkov, Alexey Yu, Sosnovskikh, Vyacheslav Ya

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Regio- and stereoselective 1,3-dipolar cycloaddition reactions between arylideneacetones and stabilized azomethine ylides obtained from ninhydrin and indenoquinoxalinones von Barkov, Alexey Yu, Zimnitskiy, Nikolay S., Kutyashev, Igor B., Korotaev, Vladislav Yu, Sosnovskikh, Vyacheslav Ya

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A simple synthesis of the pentacyclic lamellarin skeleton from 3-nitro-2-(trifluoromethyl)-2H-chromenes and 1-methyl(benzyl)-3,4-dihydroisoquinolines von Korotaev, Vladislav Yu, Sosnovskikh, Vyacheslav Ya, Barkov, Alexey Yu, Slepukhin, Pavel A., Ezhikova, Marina A., Kodess, Mikhail I., Shklyaev, Yurii V.

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