Zobrazeno 1 - 10
of 17
pro vyhledávání: '"I. V. Dipan"'
Publikováno v:
Chemistry of Heterocyclic Compounds. 19:1202-1207
3-Cyano-4, 6-diaryl-3, 4-dihydropyridine-2-thiones have been synthesized for the first time by the condensation of arylideneacetophenones or 1-piperidino-1-phenyl-2-benzoylethane with cyanothioacetamide and the 1, 1-dicyano-2-aryl-3-benzoylpropane wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::22ab19e2c54000333d0d30c8000d8cb3
https://doi.org/10.1007/bf00515357
https://doi.org/10.1007/bf00515357
Publikováno v:
Chemistry of Heterocyclic Compounds. 24:765-771
Ethyl ester derivatives of 6- and 8-substituted 2-methyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids have been synthesized by treatment of the diethyl ester of acetylmalonic acid with 2- or 4-substituted anilines. Condensation of these newly synthe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b32634240b744fba2ff34649d6bb078a
https://doi.org/10.1007/bf00633172
https://doi.org/10.1007/bf00633172
Publikováno v:
Chemistry of Heterocyclic Compounds. 19:630-634
6-Ureido- and 6-thioureidopenicillanic acids and 7-ureido- and 7-thioureidodeacetoxycephalosporanic acids were obtained by the reaction of 6-aminopenicillanic acid and 7-aminodeacetoxycephalosporanic acids with tetraisocyanatosilane or tetraisothiocy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0d4702eeef0171d52dd902e1df0e5f9
https://doi.org/10.1007/bf00523074
https://doi.org/10.1007/bf00523074
Publikováno v:
Chemistry of Heterocyclic Compounds. 21:77-83
The condensation of ethyl arylidenacetoacetate with cyanothioacetamide and of arylidenecyanothioacetamides with ethyl acetoacetate or of arylidenecyanothioacetamides with ethyl β-aminocrotonate gave 3-cyano-4-aryl-5-ethoxycarbonyl-6-methyl-3,4-dihyd
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b07e0f22ea87fa3f8714e06e6f2df9a6
https://doi.org/10.1007/bf00505906
https://doi.org/10.1007/bf00505906
Publikováno v:
Chemistry of Heterocyclic Compounds. 23:35-40
It is shown by IR, UV, and mass spectroscopy that the 2-amino-3-arylcarbamoyl-1-azirines, first represented as three-membered, cyclic amidines containing a primary amino group and able to undergo a prototropic rearrangement, exist exclusively in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::149372e123b7e9a92261dd6e3865c3a5
https://doi.org/10.1007/bf00475470
https://doi.org/10.1007/bf00475470
Publikováno v:
Chemistry of Heterocyclic Compounds. 11:1070-1076
Twenty-six esters of 2,6-dihydropyridine-3,5-dicarboxylic acid were obtained by means of the Hantzsch pyridine synthesis. The synthesized compounds were oxidized by chloranil to the corresponding pyridine derivative.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f029ab6e943f4d1b93862d4d2706eab
https://doi.org/10.1007/bf00471298
https://doi.org/10.1007/bf00471298
Publikováno v:
Chemistry of Heterocyclic Compounds. 8:644-648
The protolysis constants of β-(1-uracilyl)propionitriles and β-(1-uracilyl)propionic α-amino-β-(1-pyrimidyl)propionic, and α-amino-γ-(1-pyrimidyl)butyric acids (willardiine analogs) were determined. The electronic effect of substituents and of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb060b39b3b2aceaf4a747a351d023d6
https://doi.org/10.1007/bf00488167
https://doi.org/10.1007/bf00488167
Publikováno v:
Chemistry of Natural Compounds. 9:730-734
A number of protected di- and tripeptides containing nitroarginine and proline residues, and also some derivatives of nitroarginine, have been synthesized and their IR spectra have been recorded in dilute chloroform solution. The results of the IR sp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::94df278febe293a3f6bef72fef2e3f9f
https://doi.org/10.1007/bf00565797
https://doi.org/10.1007/bf00565797
Publikováno v:
Chemischer Informationsdienst. 15
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7ed21788f4b1eb8b9dab8594dd808cf
https://doi.org/10.1002/chin.198414229
https://doi.org/10.1002/chin.198414229
Autor:
I. P. Sekatsis, M. Yu. Lidak, V. D. Shatts, I. V. Dipan, Edgars Liepinsh, M. P. Gavars, Ya. Yu. Polis, I. Ya. Grava
Publikováno v:
Chemischer Informationsdienst. 12
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e36e171d4737d3eac6ceba69712a5db
https://doi.org/10.1002/chin.198136142
https://doi.org/10.1002/chin.198136142