Zobrazeno 1 - 10
of 57
pro vyhledávání: '"Atanas P. Venkov"'
Publikováno v:
Molecules, Vol 9, Iss 8, Pp 694-704 (2004)
A series of novel 11b-substituted 1,6,7,11b-tetrahydropyrimido[6,1-a]- isoquinoline-2,4-diones and 4-thioxo-1,3,4,6,7,11b-hexahydropyrimido[6,1-a]isoquinolin-2- ones were synthesized, utilizing two alternative strategies for ring closure of tetrahydr
Externí odkaz:
https://doaj.org/article/613f6cbe56c34660a163db3cbd9f403d
Publikováno v:
Open Chemistry. 2:234-246
The N-acyliminium intermediates of 3,4-dihydroisoquinoline and salts of isoquinoline with acyl chlorides were successfully used as amidoalkylating reagents toward synthesis of heterocyclic aromatics as indole, pyrrole, thiophene and pyrazine.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::91248712f598c5c1cdd56b31f430da2d
https://doi.org/10.2478/bf02476193
https://doi.org/10.2478/bf02476193
Publikováno v:
Synthetic Communications. 29:487-494
2-Acyltetrahydro-β-carbolines 7 have been obtained by cyclization of adducts 5 from imines 3 of tryptamine 1 and aldehydes 2 with acyl chlorides 4 as a result of an intramolecular a-amidoalkylation reaction in the presence of bases as N,N-dimethylan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c0eaacfa8dd157f7c4172f98a8f0fdfd
https://doi.org/10.1080/00397919908085791
https://doi.org/10.1080/00397919908085791
Autor:
Atanas P. Venkov, L. K. Lukanov
Publikováno v:
Synthetic Communications. 28:2137-2147
1-Substituted- 5, 1,5-substituted 7,8-dioxygenated-2-acyltetrahydroisoquino-lines 10 and 2-acyl-1,2,3,4-tetrahydro-1,2-benzothiazine-1,1-diones 12 has been obtained by the reaction of N-acyl-2-phenylethylamines with aldehydes or chlorosulfonic acid a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d4ce15c5a809c2f478fc51336cb3350b
https://doi.org/10.1080/00397919808007028
https://doi.org/10.1080/00397919808007028
Publikováno v:
Synthetic Communications. 28:1857-1864
Adducts 4 of benzimidazoles and acyl chlorides were successfully used as electrophilic reagents in an intermolecular α-amidoalkylation reaction toward ketones for synthesis of 2-(2-oxoalkyl)-1,3-diacyl-2,3-dihydrobenzimidazoles 6 and oxidized with K
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::36b14e791f6fac263a6e5e57ab555ba0
https://doi.org/10.1080/00397919808007016
https://doi.org/10.1080/00397919808007016
Autor:
Iliyan Ivanov, Atanas P. Venkov
Publikováno v:
Synthetic Communications. 28:1433-1438
Reductive formylation of isoquinoline derivatives as 3,4-dihydroiso-quinolines 1, enamines and enamides of tetrahydroisoquinoline 2 and the reaction of 2-(2-acylphenyl)ethylamides 3 with formamide afforded the corresponding N-formyltetrahydroisoquino
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ef72e88e02288999c51904fb9b8d275
https://doi.org/10.1080/00397919808006842
https://doi.org/10.1080/00397919808006842
Autor:
Atanas P. Venkov, Tanya A. Temnyalova
Publikováno v:
Synthetic Communications. 26:3217-3224
The reactions of N-alkylaryl-and N, N′-dialkylarylureas with aldehydes in acidic medium leads to the synthesis of N-carbamoyltetrahydro-isoquinolines and tetrahydro-1,3,5-oxadiazin-4-ones (urons) depending on the structure of starting compounds and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8684f81f930233aac4a048ace8241b81
https://doi.org/10.1080/00397919608004630
https://doi.org/10.1080/00397919608004630
Autor:
Iliyan Ivanov, Atanas P. Venkov
Publikováno v:
Tetrahedron. 52:12299-12308
A convenient one pot synthesis of 1-. 1.3-substituted 3.4-dihydroisoquinolines 5 . enamines 10 and 3-oxo-2,3-dihydroisoquinolines 18 as well as of enamides 22 of isoquinoline from 2-phenyl-. 1,2-diphenylethylamines, phenylacetamides, phenylacetonitri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::97ef88d957f6c63fae50688bfb0a1484
https://doi.org/10.1016/0040-4020(96)00716-8
https://doi.org/10.1016/0040-4020(96)00716-8
Publikováno v:
Synthetic Communications. 26:2135-2144
Intermolecular α-amidoalkylation reaction of methylene active carbonyl compounds with N-acyliminium salts of 3,4-dihydroisoquinolines and acyl chlorides has been used for synthesis of 1-(2-oxoalkyl)-2-acyltetrahydroisoquinolines.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a66348a00e5e2ea92e0a6a1a18a8f0fb
https://doi.org/10.1080/00397919608003572
https://doi.org/10.1080/00397919608003572
Autor:
Atanas P. Venkov, L. K. Lukanov
Publikováno v:
Synthetic Communications. 26:755-762
N-Acyl-1-benzyl-, 1-phenylethyl-and 1-spirobenzyltetrahydro-isoquinolines are obtained from N-acyl-2-phenylethylamines and arylalkyl aldehydes or cyclic ketones in acidic media.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce87749247429e5353dcc03caffeba6c
https://doi.org/10.1080/00397919608086750
https://doi.org/10.1080/00397919608086750