Zobrazeno 1 - 10
of 72
pro vyhledávání: '"E I, Lazhko"'
Publikováno v:
Chemistry of Heterocyclic Compounds. 38:1200-1204
The methylation and allylation of 6-(3-indolyl)indolo[2,3-b]carbazole were studied, and its trimethyl and mono-, di-, and triallyl derivatives were obtained.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aaf114fd6546635a22f7489150fe8ca1
https://doi.org/10.1023/a:1021777429110
https://doi.org/10.1023/a:1021777429110
Autor:
E. I. Lazhko, Ilyia I. Rozhkov, L. N. Yudina, Alexander M. Korolev, Maria N. Preobrazhenskaya, Yury N. Luzikov, Ludmila N. Lysenkova
Publikováno v:
Carbohydrate Research. 330:469-477
A facile preparation is described of 3-(indol-3-yl)-2-hydroxy-4-hydroxymethylcyclopent-2-enone and its N-derivatives in 15–40% yields by the degradation of ascorbigen or its N-derivatives in a warm solution of l -ascorbic acid through a sequential
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bf313d610f19ce96b95499085037d9ec
https://doi.org/10.1016/s0008-6215(00)00310-4
https://doi.org/10.1016/s0008-6215(00)00310-4
Publikováno v:
Tetrahedron Letters. 39:109-112
The interaction of DL-N-methyl-β-hydroxytryptamine 1 with L-ascorbic acid 2 proceeds through the 2-C alkylation of 2 and the intramolecular acylation of the methylamino group to yield diastereomeric 3-hydroxy-4-(indol-3-yl)-1-methyl-3-(2,3,4-trihydr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b8798e0395dc496bd1822f9b7a0d8da
https://doi.org/10.1016/s0040-4039(97)10461-0
https://doi.org/10.1016/s0040-4039(97)10461-0
Autor:
Alexander M. Korolev, Maria N. Preobrazhenskaya, E. I. Lazhko, Ilyia I. Rozhkov, L. N. Yudina
Publikováno v:
Tetrahedron. 53:6971-6976
The interaction between vanilmandelic and L-ascorbic acids led to a cyclopent-2-en-one derivative, whereas the reaction of methyl vanilmandelate with L-ascorbic acid yielded 2-furancarboxylic acid as the major product. The model 3-substituted 4-hydro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1249cc72d81dfb04dd0e6b1198192f3
https://doi.org/10.1016/s0040-4020(97)00396-7
https://doi.org/10.1016/s0040-4020(97)00396-7
Publikováno v:
Tetrahedron: Asymmetry. 7:641-644
Interaction of (indol-3-yl)ethane-1,2-diol with L-ascorbic acid under mild conditions yielded a mixture of products of the L-ascorbic acid 2-C alkylation with the substituted skatyl cation stabilized by the 3-CO hemiketal formation with the participa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::69360349f3e116ff148702a2da97e5e6
https://doi.org/10.1016/0957-4166(96)00053-5
https://doi.org/10.1016/0957-4166(96)00053-5
Autor:
E. I. Lazhko, M. I. Reznikova, Ilia I. Rozhkov, Maria N. Preobrazhenskaya, Alexander M. Korolev
Publikováno v:
Tetrahedron: Asymmetry. 7:461-466
Ascorbigen, 2-C-[(indol-3-yl)methyl]-α-L-xylo-3-hexulofuranosonic acid γ-lactone 1a results from the interaction of 3-hydroxymethylindole and L-ascorbic acid in mild conditions. In alkaline media ascorbigen opens the lactone and furanose cycles and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f5bd83937bacc3eecff8aa6801f1aa8c
https://doi.org/10.1016/0957-4166(96)00029-8
https://doi.org/10.1016/0957-4166(96)00029-8
Publikováno v:
Chemistry of Heterocyclic Compounds. 29:295-300
1D and 2D NMR spectroscopy was used to differentiate between 2′-[(indol-3″-yl)methyl] ascorbigen, 2′-[2″-[(indol-3″-yl)methylindol-3″-yl]methyl]ascorbigen and their isomers as the products formed when ascorbigen reacts in acid medium. Sig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b84858619298b976dca32ac098314680
https://doi.org/10.1007/bf00531505
https://doi.org/10.1007/bf00531505
Publikováno v:
ChemInform. 22
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9be9a113704ee57f2295e5424e09fb0
https://doi.org/10.1002/chin.199118231
https://doi.org/10.1002/chin.199118231
Publikováno v:
ChemInform. 26
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef14917d3fd37c39977393cf97891656
https://doi.org/10.1002/chin.199549286
https://doi.org/10.1002/chin.199549286
Publikováno v:
ChemInform. 28
A series of derivatives of eremomycin aminomethylated at the 7d position of the resorcinol ring of the amino acid No. 7 was prepared by interaction of eremomycin with formaldehyde and various primary and secondary amines and ammonia. The most active
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6223dec2a7065043d2f856a1dcd974c6
https://doi.org/10.1002/chin.199748279
https://doi.org/10.1002/chin.199748279