Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Ludmila L. Rodina"'
Autor:
Andrey S. Mereshchenko, Alexey V. Ivanov, Viktor I. Baranovskii, Grzegorz Mloston, Ludmila L. Rodina, Valerij A. Nikolaev
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 11, Iss 1, Pp 504-513 (2015)
The 1,3-dipolar cycloaddition of acyclic 2-diazo-1,3-dicarbonyl compounds (DDC) and thioketones preferably occurs with Z,E-conformers and leads to the formation of transient thiocarbonyl ylides in two stages. The thermodynamically favorable further t
Externí odkaz:
https://doaj.org/article/fbb88b3c0612491c8327977cc4d593f6
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 9, Iss 1, Pp 2751-2761 (2013)
Acyclic diazodicarbonyl compounds react at room temperature with cycloaliphatic thioketones, e.g. 2,2,4,4-tetramethyl-3-thioxocyclobutanе-1-one and adamantanethione, via a cascade process in which the key step is a 1,5-electrocyclization of the inte
Externí odkaz:
https://doaj.org/article/366eec6f6d684329b13ea0f2fc30e006
Autor:
M. S. Novikov, K. I. Kobrakov, Alexander S. Semeikin, Yu. N. Klimochkin, Fedor I. Zubkov, S. M. Medvedeva, Elena L. Gavrilova, L. G. Voskresenskii, Valery N. Charushin, Albert T. Lebedev, Alexander V. Aksenov, Ludmila L. Rodina, S. V. Kurbatov, Sergey M. Ivanov, Alexander P. Molchanov, Irina P. Beletskaya, Oleg N. Chupakhin, Elena A. Krasnokutskaya, Nicolai A. Aksenov, L. M. Mironovich, D. N. Kuznetsov, L. Ya. Zakharova, Mikhail P. Koroteev, Vad. V. Negrebetskii, O. A. Golubchikov, A. S. Fisyuk, A. V. Kolobov, Sergey Z. Vatsadze, Sergey P. Gromov, Vitaly A. Osyanin, Igor S. Antipin, Ivan I. Stoikov, A. I. Konovalov, Almira Kurbangalieva, Mikhail A. Kuznetsov, E. R. Kofanov, Victor D. Filimonov, Pavel A. Stuzhin, Valerij A. Nikolaev, A. Yu. Egorova, Nikolai V. Zyk, Alexander F. Khlebnikov, M. K. Grachev, Vladimir Burilov, Kh. S. Shikhaliev, Igor G. Zenkevich, Timur I. Madzhidov, Alexander N. Reznikov, D. B. Berezin, Svetlana E. Solovieva, Dmitrii A. Lemenovskii, Yu. I. Baukov, Valerii F. Traven, Andrey E. Shchekotikhin, A. Yu. Fedorov, R. S. Begunov, A. I. Rusakov, Valery S. Petrosyan, Alexander S. Tikhomirov, O. N. Burov, Mikhail S. Tovbis, T. A. Shmigol, O. V. Fedotova, V. Yu. Orlov, G. A. Suboch, A. K. Brel, V. I. Maslennikova, G. P. Sagitullina, M. Yu. Krasavin, Vakhid A. Mamedov, A. V. Nemtarev, S. V. Lisina, Aleksander V. Vasilyev, Alexander A. Korlyukov, V. G. Nenaidenko, M. E. Kletskii, Irina A. Balova, Oleg G. Sinyashin, Alexander V. Nyuchev
Publikováno v:
Russian Journal of Organic Chemistry. 54:157-371
This review is devoted to the scientific achievements of the departments of organic chemistry in higher schools of Russia within the past decade.
Thermolysis of 4-Diazotetrahydrofuran-3-ones: Total Change of Reaction Course Compared to Photolysis
Publikováno v:
European Journal of Organic Chemistry. 2014:2993-3000
Thermolysis of 2,2,5,5-tetrasubstituted 4-diazodihydrofuran-3-ones in protic (BnOH) and aprotic (DMSO) media, in contrast to photolysis, gives rise to the formation of 2,2,4,5-substituted 3(2H)-furanones as a result of 1,2-alkyl (aryl) shift. The the
Publikováno v:
Tetrahedron Letters. 53:3095-3099
Acyclic 2-diazo-1,3-dicarbonyl compounds react at 20–50 °С with aromatic thioketones and through a cascade process, involving the cycloaddition of a diazo group dipole with the C S bond, elimination of nitrogen from the arising thiadiazoline, and
Publikováno v:
Tetrahedron Letters. 51:2713-2716
The formation of C–H insertion products of the terminal N-atom of a diazo group into the α-СН-bond of tetrahydrofuran during direct photolysis of regioisomeric 2,2-dimethyl-5,5-diphenyl and 5,5-dimethyl-2,2-diphenyl-substituted 3-diazotetrahydro
Publikováno v:
Helvetica Chimica Acta. 92:1990-1998
The principal direction of conventional photolysis of the regioisomeric 2,2-dimethyl-5,5-diphenyl- and 5,5-dimethyl-2,2-diphenyl-substituted 4-diazodihydrofuran-3(2H)-ones 1a and 1b, respectively, is the Wolff rearrangement, while other photochemical
Autor:
Sergey A. Malashikhin, Heinz Heimgartner, Ludmila L. Rodina, Anthony Linden, Valerij A. Nikolaev
Publikováno v:
Helvetica Chimica Acta. 91:1662-1669
The two regioisomeric 4-diazo-2,3,4,5-tetrahydrofuran-3-ones 6 and 7 were prepared via the common intermediate 2,3,4,5-tetrahydro-2,2-dimethyl-5,5-diphenylfuran-3-one (8). Diazo transfer with 2,4,6-triisopropylbenzenesulfonyl azide yielded 6, whereas
Publikováno v:
Chemistry of Heterocyclic Compounds. 44:466-473
It has been established that the interaction of diazomethane with 4,5-dialkyl-substituted 3-oxo-(2H)-isothiazole 1,1-dioxides proceeds in two stages. Initially alkylation of the sulfonimide nitrogen atom and the carbonyl group oxygen atom occurs (in
Publikováno v:
Russian Journal of Organic Chemistry. 43:1882-1885