Zobrazeno 1 - 10
of 152
pro vyhledávání: '"P. S. Pel'kis"'
Autor:
A. N. Borisevich, P. S. Pel'kis
Publikováno v:
Chemistry of Heterocyclic Compounds. 15:1187-1190
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de915dd8db4c7964d4eb739a8db025b8
https://doi.org/10.1007/bf00471427
https://doi.org/10.1007/bf00471427
Publikováno v:
Chemistry of Heterocyclic Compounds. 10:806-809
Dithiomalonic acid diarylamldes are cyclized to 3,5-diarylamino-1,2-dithiolium halides by oxidation with an equivalent amount of bromine (iodine) in chloroform solution; the same amides are cyclized to 4-bromo-3,5-diarylamino-1,2-dithiolium bromides
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39d12c4ccfad07c9e8040d17b86f36d6
https://doi.org/10.1007/bf00471359
https://doi.org/10.1007/bf00471359
Autor:
Yu. A. Sokolova, L. O. Atovmyan, Oleg A. Dyachenko, L. N. Kulaeva, P. S. Pel'kis, M. O. Lozinskii
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 36:1885-1888
A simple, one stage synthesis of the previously inaccessible 3-aryl-4-thione-6-cyano-7-aryliminothiopyrano[2,3-d]pyrimidines has been proposed from cyanothioacetic acid arylamides RC6H4NHCSCH2CN (R=H, p-CH3, p-Cl) and orthoformate ester by heating at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::91416ea10fc4bb29cda5444a3b5554c6
https://doi.org/10.1007/bf00958337
https://doi.org/10.1007/bf00958337
Publikováno v:
Chemistry of Heterocyclic Compounds. 11:567-570
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2b3971c8183ee3c7b36c01247dcc197
https://doi.org/10.1007/bf00480480
https://doi.org/10.1007/bf00480480
Publikováno v:
Chemistry of Heterocyclic Compounds. 13:433-436
The reaction of α-acetamido-p-nitroacetophenone with benzenediazonium salts gave N1-aryl-N3-acetyl-p-nitrobenzamidrazones, which are cyclized to 5-methyl-1-aryl-3-(p-nitrobenzoyl)-1,2,4-triazoles. The latter are quaternized at the nitrogen atom in t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bcf33be1e040a6f96a8a5648406e18a5
https://doi.org/10.1007/bf00482792
https://doi.org/10.1007/bf00482792
Publikováno v:
Chemistry of Heterocyclic Compounds. 7:439-442
The exchange and cyclization of phenyliminooxalyl chloride with ammonium thiocyanate, sodium azide, aniline, amidoximes, and diphenylthiourea, and with 2-aminopyridine, 2-aminobenzothiazole, and 2-amino- and 2-mercaptobenzimidazole were studied. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb92911577518c8823bc3799e448e5ff
https://doi.org/10.1007/bf00471480
https://doi.org/10.1007/bf00471480
Publikováno v:
Chemistry of Heterocyclic Compounds. 6:1114-1117
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7a9348dd856cf1526a6d622c56f9a271
https://doi.org/10.1007/bf00480718
https://doi.org/10.1007/bf00480718
Publikováno v:
Chemistry of Heterocyclic Compounds. 7:121-124
Cyanoethylation of 4-aryl-5-arylamino-1,2,4-triazoline-3-thiones proceeds at the nitrogen atom of the thioamide group. Alkylation of 4-aryl-5-arylamino-1,2,3-triazoline-3-thiones with chloroacetonitrile, monochloroacetic acid and its ester, Β-chloro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::22c9c66f8931a20783ca46a0e36cfdfa
https://doi.org/10.1007/bf00477966
https://doi.org/10.1007/bf00477966
Publikováno v:
Chemistry of Heterocyclic Compounds. 7:869-874
The corresponding 2-arylhydrazono-3-oxoimidazo[1,2-a]pyridines, 3-arylhydrazono-2-oxoimidazo [1,2-a]benzothiazoles, 2-oxoimidazolidino[3,2-a]benzimidazoles, 2-oxoimidazo[1,2-a]benzoxazoles, and 2-arylhydrazono-3-oxothiazolo[2,3-a]benzimidazoles were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e1b2667cba53df4d0cbe7362200cf93e
https://doi.org/10.1007/bf00475714
https://doi.org/10.1007/bf00475714
Publikováno v:
Chemistry of Heterocyclic Compounds. 3:369-372
The reaction of 3-oxodihydrothionaphthenes with aryl diazonium chlorides gives 2-arylhydrazono-3-oxodihydrothionaphthenes. By oxidation of the latter with hydrogen peroxide in glacial acetic add, new 2-arylhydrazonodihydrothionaphthene-(3)-one-1, 1-d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9173c8410602d48d8cfc791266acfb65
https://doi.org/10.1007/bf00945367
https://doi.org/10.1007/bf00945367