Zobrazeno 1 - 10
of 227
pro vyhledávání: '"I. YA. POSTOVSKII"'
Publikováno v:
Chemistry of Heterocyclic Compounds. 11:304-307
A thione-thiol structure was established for 2-mercapto-5-thiono[4,2,1]triazolino[3,4-b] [1,3,4]thiadiazole in accordance with calculations of the π-bonding and solvation energies by the Pariser-Parr-Pople method and also on the basis of a study of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d11fba50debf15b08ab9ad0dc6a2deb
https://doi.org/10.1007/bf00470075
https://doi.org/10.1007/bf00470075
Autor:
Yu. N. Sheinker, I. Ya. Postovskii, B. K. Sadybakasov, I. B. Lundina, V. E. Shklover, Yu. T. Struchkov
Publikováno v:
Journal of Structural Chemistry. 18:870-876
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::edce9a816dd6a015528a0cb58797adc9
https://doi.org/10.1007/bf00745482
https://doi.org/10.1007/bf00745482
Publikováno v:
Chemistry of Heterocyclic Compounds. 10:302-306
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d90bbc9b2cf82e3da2929cd7077dd51e
https://doi.org/10.1007/bf00472415
https://doi.org/10.1007/bf00472415
Publikováno v:
Chemistry of Heterocyclic Compounds. 11:339-342
4-(9-Acridinyl)phenylhydrazones and phenylhydrazides were obtained by condensation of the phenylhydrazones of aromatic aldehydes and ketones and the phenyl-hydrazides of carboxylic acids with acridinium salts in the presence of an oxidizing agent.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3656bb993f5556557122c6a3b235fb17
https://doi.org/10.1007/bf00470084
https://doi.org/10.1007/bf00470084
Publikováno v:
Chemistry of Heterocyclic Compounds. 11:714-717
Acridine condenses under oxidative conditions with phenoxides to give 9-hydroxy-arylacridines.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ccb856753b148475a63008bc0a45e986
https://doi.org/10.1007/bf00959970
https://doi.org/10.1007/bf00959970
Publikováno v:
Chemistry of Heterocyclic Compounds. 12:868-872
2-Hydrazino-1,3,4-thiadiazines containing polyhydric phenol residues in the 5 position were obtained by reaction of 3,4-dihydroxy-, 2,5-dihydroxy-, and 2,3,4-trihydroxyphenacyl ω-halides with thiocarbohydrazide. 2-Amino-1,3,4-thiadiazines were obtai
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c245dfd0be497a917634468bb87e3d2
https://doi.org/10.1007/bf00510104
https://doi.org/10.1007/bf00510104
Publikováno v:
Chemistry of Heterocyclic Compounds. 11:496-499
3-Methylquinazolinium iodide adds alkyl- and arylamines, pyrroles, and indoles to give the corresponding 4-substituted 3,4-dihydroquinazolines. A hydroxyl group in the 3-methylquinazolinium pseudobase is replaced by residues of these nucleophiles.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d8f2128ac8f623d9c0014406be74b34
https://doi.org/10.1007/bf00502444
https://doi.org/10.1007/bf00502444
Publikováno v:
Chemistry of Heterocyclic Compounds. 11:615-618
2-Quinazolone reacts with various π-surplus systems (indoles and pyrroles) to give 3,4-dihydro-4-substituted 2-quinazolones. These compounds are capable of oxidation to 4-substituted 2-quinazolones. o-Carbamidobenzylideneurea gives identical product
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a6c347457739ffdef19b022eb7e7e699
https://doi.org/10.1007/bf00480492
https://doi.org/10.1007/bf00480492
Publikováno v:
Russian Chemical Reviews. 44:493-509
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0dac4a806a7feb70dfd2fc00451d534
https://doi.org/10.1070/rc1975v044n06abeh002356
https://doi.org/10.1070/rc1975v044n06abeh002356
Publikováno v:
Chemistry of Heterocyclic Compounds. 10:970-973
Quaternary salts of 9-acridinylhetarylmethanes were obtained by condensation of acridine with alkiodides of 2- and 4-methyl derivatives of nitrogen heterocycles in the presence of air oxygen. A study of the spectra of the acridinylhetarylmethanes and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f33beb918278028aa19c5af6067dbf94
https://doi.org/10.1007/bf00487122
https://doi.org/10.1007/bf00487122