Zobrazeno 1 - 10
of 26
pro vyhledávání: '"O. Yu. Slabko"'
Autor:
V. A. Kaminskii, O. Yu. Slabko
Publikováno v:
Russian Journal of Organic Chemistry. 55:152-160
Oxidative coupling of 6,7,8,9,9a,10,11,12,13,14-decahydro-5H-benzimidazo[2,1-e]acridine with reagents containing a primary aromatic amino group forms p-quinone diimines of the 2H-benzimidazo[2,1-e]-acridine series. The subsequent acid-activated 1,4-n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::839e232f2440afc0faee8cbce1652468
https://doi.org/10.1134/s1070428019020052
https://doi.org/10.1134/s1070428019020052
Publikováno v:
Russian Journal of Organic Chemistry. 53:231-235
Reactions of diazomethane with quinone mono(di)imines and methylidene quinone imines of pyrido[1,2-a]benzimidazole series occurs by the route of 1,3-dipolar cycloaddition and leads to the formation of quinoid compounds, in particular, previously unkn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db8bb0500135a96074e45ff887d5d51c
https://doi.org/10.1134/s1070428017020154
https://doi.org/10.1134/s1070428017020154
Publikováno v:
Russian Journal of Organic Chemistry. 52:1657-1660
Isatin and its 5-bromo derivative react with о-phenylenediamine and acetone in formic acid; products of this three-component condensation were isolated as perchlorates, from which for the first time bases were obtained, derivatives of 3-[(2,3-dihydr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2ceac4c57a1769df6fda4c21c0786b6
https://doi.org/10.1134/s107042801611018x
https://doi.org/10.1134/s107042801611018x
Publikováno v:
Russian Journal of Organic Chemistry. 53:462-464
A simple laboratory procedure has been proposed for the synthesis of tetracyanoethylene in up to 54% yield by oxidative dimerization of malononitrile in the presence of selenium(IV) oxide.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b93a4690d597c7848a34b0dcfe70d1c1
https://doi.org/10.1134/s1070428017030253
https://doi.org/10.1134/s1070428017030253
Publikováno v:
Russian Journal of Organic Chemistry. 50:1133-1140
Diels-Alder reaction between quinone mono-, diimines, and methylenequinone imines of 4,4a-dihydropyrido[1,2-a]-3H-benzimidazole series and cyclopentadiene proceeds endo-stereoselectively at the unsubstituted π-bond of the quinoid ring affording a mi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::304720640c83a51f6713dd65ed587aff
https://doi.org/10.1134/s1070428014080107
https://doi.org/10.1134/s1070428014080107
Publikováno v:
Russian Journal of Organic Chemistry. 48:1180-1186
Reactions of some 1,5-diketones with 2-aminobenzyl alcohol and 2-aminomethylaniline follow double cyclization scheme with formation of pyridobenzoxazine and pyridoquinazoline derivatives, respectively. Oxidative coupling of the cyclization products w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03ccf1a874b02252a2d8053d33e836d3
https://doi.org/10.1134/s1070428012090059
https://doi.org/10.1134/s1070428012090059
Publikováno v:
Russian Journal of Organic Chemistry. 45:1214-1218
The oxidative coupling of substituted 1,2,3,4,4a,5-hexahydro-13H-benzimidazo[2,1-j]quinolines with methylene-active derivatives of carboxylic acids led to the formation of p-methylenequinone imines of the mentioned series; in some events the reaction
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::884aa193a16d8420ce39d8b37b7e9873
https://doi.org/10.1134/s107042800908017x
https://doi.org/10.1134/s107042800908017x
Publikováno v:
Russian Journal of Organic Chemistry. 45:425-429
Reactions of N-(1,2,3,4,4a,5-hexahydro-10H-benzimidazo[2,1-j]quinolin-10-ylidene)amines with malononitrile and cyanoacetamide gave the corresponding 12-methylidene derivatives.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7ad6ad72f51a05a19b0923f74f72371
https://doi.org/10.1134/s1070428009030130
https://doi.org/10.1134/s1070428009030130
Publikováno v:
Chemistry of Heterocyclic Compounds. 42:358-364
Treatment of quinonemonoimines and an N-phenylquinonediimine of the pyrido[1,2-a]benzimidazole series with 1,3-indanedione, barbituric acid, or malononitrile and also with thioglycolic acid gives mono substitution at the 8 position. On the other hand
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::044b66d8602bdc412e714f11d0483ea3
https://doi.org/10.1007/s10593-006-0093-3
https://doi.org/10.1007/s10593-006-0093-3
Publikováno v:
Chemistry of Heterocyclic Compounds. 38:226-230
Oxidative coupling of 4α,9-diaza-1,2,4α,9α-tetrahydro-9H-fluorenes with o-aminophenol and o-aminothiophenol in the presence of MnO2 gives o-hydroxyphenyl- and o-mercaptophenylquinonediimines, cyclization of which gives derivatives of phenoxazine a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f24fa735fa0cb67824189c5e1fa7cc7
https://doi.org/10.1023/a:1015351628312
https://doi.org/10.1023/a:1015351628312