Zobrazeno 1 - 10
of 24
pro vyhledávání: '"L. V. Lapshina"'
Publikováno v:
Chemistry of Heterocyclic Compounds. 57:861-865
A modified procedure for achieving condensation reactions between 3-methyl-4-nitro-2,5-dihydrothiophene 1,1-dioxide and aromatic aldehydes was used to synthesize a broad range of previously unknown 2-benzylidene-4-nitro-2,5-dihydrothiophene 1,1-dioxi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6e573e9d53b0f3b4e1ef5785867de177
https://doi.org/10.1007/s10593-021-02992-6
https://doi.org/10.1007/s10593-021-02992-6
Publikováno v:
Russian Journal of General Chemistry. 90:1369-1387
The review analyzes and summarizes methods for the synthesis of polycyclic derivatives of sulfolane (sulfolene). The reactions of polyalkylation, transformations of functional groups of the sulfolene ring, as well as the addition reaction at endo- an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66ef9b5ae5567edca6783e2040f88a51
https://doi.org/10.1134/s1070363220080010
https://doi.org/10.1134/s1070363220080010
Publikováno v:
Russian Journal of General Chemistry. 90:2522-2524
New bicyclic derivatives of nitrosulfolane annelated with 1-pyrazoline, 3-aryl-6a-methyl-6-nitro-3a,5,6,6a-tetrahydro-3H-thieno[3,2-c]pyrazole-4,4-dioxides, were obtained by oxidation of 3-aryl-1-carbamoyl-6a-methyl-6-nitrohexahydro-1H-thieno[3,2-c]p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f294d7b8be91c21d5a440d70d79e06c7
https://doi.org/10.1134/s1070363220120324
https://doi.org/10.1134/s1070363220120324
Publikováno v:
Russian Journal of General Chemistry. 89:536-539
3-Aryl-6a-methyl-6-nitrohexahydrothieno[2,3-d]pyrazole-4,4-dioxides, new representatives of original bicyclic structures combining fused pyrazolidine and sulfolane rings in a molecule, were obtained through the reactions of 2-benzylidene-3-methyl-4-n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb0990f34b9763a261a397bdd450d614
https://doi.org/10.1134/s1070363219030277
https://doi.org/10.1134/s1070363219030277
Publikováno v:
Russian Journal of General Chemistry. 88:1612-1617
2-Benzylidene-3-methyl-4-nitro-3-thiolene-1,1-dioxide and its analogs have been introduced in the aza-Michael reaction with hydrazine derivatives. Novel polysubstituted nitrosulfolenes have been obtained; their structures have been confirmed using 1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::57d4c66d2b4b2d5cecc8ac36d6506ace
https://doi.org/10.1134/s1070363218080108
https://doi.org/10.1134/s1070363218080108
Autor:
A. V. Serebryannikova, V. M. Berestovitskaya, L. V. Lapshina, Vladislav V. Gurzhiy, I. E. Efremova
Publikováno v:
Chemistry of Heterocyclic Compounds. 54:76-82
A method was developed based on reactions of 2-benzylidene-3-methyl-4-nitro-3-thiolene 1,1-dioxide and its substituted analogs with hydroxylamine and N-methylhydroxylamine for the synthesis of 3-aryl-6а-methyl-6-nitrohexahydrothieno[2,3-d]isoxazole
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4506bff22ddd3999913d596792fc3e4d
https://doi.org/10.1007/s10593-018-2233-y
https://doi.org/10.1007/s10593-018-2233-y
Autor:
I. E. Efremova, L. V. Lapshina, Vladislav V. Gurzhiy, Arkadii E. Ryabin, Anna V. Serebryannikova
Publikováno v:
Chemistry of Heterocyclic Compounds. 55:902-904
The reaction of oxidation of 3-aryl-6a-methyl-6-nitrohexahydrothieno[2,3-d]pyrazole 4,4-dioxides by bromine was used to synthesize their derivatives 3-aryl-6a-methyl-6-nitro-3a,5,6,6a-tetrahydro-1H-thieno[3,2-c]pyrazole 4,4-dioxides, the structure of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3bb557e291b87aececee9bbe6ba7a30
https://doi.org/10.1007/s10593-019-02556-9
https://doi.org/10.1007/s10593-019-02556-9
Autor:
L. V. Lapshina, V. M. Berestovitskaya, Vladislav V. Gurzhiy, I. E. Efremova, A. V. Serebryannikova
Publikováno v:
Russian Journal of General Chemistry. 86:622-628
3-Aryl-6а-methyl-6-nitro-1-carbamoylhexahydrothieno[2,3-d]pyrazole-4,4-dioxides, novel original bicyclic species consisting of fused pyrazolidine and sulfolane rings, and 1,4-adducts were obtained by reacting 2-benzylidene-3-methyl-4-nitro-3-thiolen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d75456b93ef860eb0916e5626fc8e16
https://doi.org/10.1134/s1070363216030191
https://doi.org/10.1134/s1070363216030191
Publikováno v:
Zhurnal nevrologii i psikhiatrii imeni S.S. Korsakova. 118(2)
Dandy-Walker malformation is a rare disease of the central nervous system pathology (congenital malformations of the fossa cranii posterior). The key features of this syndrome are an enlargement of the fourth ventricle; complete absence of the cerebe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::36c2bec7bc9659bdd749b757a07a5bae
https://pubmed.ncbi.nlm.nih.gov/29560948
https://pubmed.ncbi.nlm.nih.gov/29560948
Autor:
A. V. Serebryannikova, L. V. Lapshina, S. V. Bortnikov, V. M. Berestovitskaya, I. E. Efremova, A. D. Perkhunova
Publikováno v:
Russian Journal of General Chemistry. 84:1519-1523
Reactions of s-trans-nitrosulfodienes of the 2-benzylidene-3-methyl-4-nitro-3-thiolene-1,1-dioxide series with aroylhydrazines occur as nucleophilic 1,4-addition to give the aza-Michael adducts. Activity of the studied substrates depends on the natur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dffb778fcc622d8be54e52705805bcbf
https://doi.org/10.1134/s1070363214080131
https://doi.org/10.1134/s1070363214080131