Výsledky vyhledávání - "Benedikta D. Puodziunaite"

A convenient synthesis of novel [1,2,4]oxadiazolo[4,3-a][1,5]benzodiazepine derivatives

Autor: Lidija Kosychova, Zita Stumbreviciute, Zita Staniulyte, Regina Janciene, Benedikta D. Puodziunaite

Publikováno v: ARKIVOC, Vol 2011, Iss 11, Pp 82-91 (2011)

Novel tricyclic substituted 5,6-dihydro-4H-[1,2,4]oxadiazolo[4,3-a][1,5]benzodiazepin-1-one derivatives were prepared by the thermal intramolecular cyclization of tetrahydro-1,5benzodiazepin-2-one O-(ethoxycarbonyl)oximes. The latter were obtained fr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f8e0a540bf5dfd3d48150b624ca52e6
https://www.arkat-usa.org/arkivoc-journal/browse-arkivoc/ark.5550190.0012.b08

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Experimental and theoretical investigation of substituent effects in a two-pathway reaction of tetrahydro-1,5-benzodiazepine-2-thiones with 4-substituted 2-bromoacetophenones

Autor: Regina Janciene, Benedikta D. Puodziunaite, Zita Stumbreviciute, Ausra Vektariene

Publikováno v: Monatshefte für Chemie - Chemical Monthly. 142:609-618

The interaction of 5-acetyl(or formyl)-3-R1(CH3, H)-4-R2(CH3, Ph, H)-1,3,4,5-tetrahydro-2H-1,5-benzodiazepine-2-thiones with 2-bromo-4′-X(CH3, OCH3, Br, H)-acetophenones leads to a mixture of products: 5,6-dihydro-4H-[1,3]thiazolo[3,2-a][1,5]benzod

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4686506fdc48438b7132ca9e4a676132
https://doi.org/10.1007/s00706-011-0496-4

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Interaction of derivatives of 7-amino-1,5-benzo-diazepin-2-ones with α,β-unsaturated ketones

Autor: Ausra Vektariene, D. Podeniene, A. Palaima, Zita Stumbreviciute, Romualdas Sirutkaitis, Regina Janciene, Benedikta D. Puodziunaite

Publikováno v: Chemistry of Heterocyclic Compounds. 46:998-1005

Derivatives of new condensed heterosystems, the tetracyclic [1,4]diazepino[3,2,1-hi]pyrido-[4,3,2-cd]indoles and tricyclic [1,4]diazepino[2,3-g]- and -[2,3-f]quinolines have been synthesized by the interaction of 7-amino-4-phenyl(or methyl)-1,3,4,5-t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5b97c20eea377d867893544c7c2f3c38
https://doi.org/10.1007/s10593-010-0614-y

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Researches on thiazolobenzodiazepines: Behavior of tetrahydro-1,5-benzodiazepinethiones with aromatic α-haloketones

Autor: Romualdas Sirutkaitis, Ausra Vektariene, Zita Staniulyte, Algirdas Palaima, Zita Stumbreviciute, Regina Janciene, Lidija Kosychova, Benedikta D. Puodziunaite

Publikováno v: Heteroatom Chemistry. 19:72-81

A number of 1-substituted 4H,5H,6H-[1,3]thiazolo[3,2-a][1,5]benzodiazepinium-11-bromides and S-(2-oxo-2-phenyl-X-(p)-ethyl)-3-(2-methyl-1H-benzimidazol-1-yl) propane (or butane) thioate hydrobromides were obtained by direct reaction of the 5-acetyl(o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::29585adbef0b2f12706d52b20fa5b5e1
https://doi.org/10.1002/hc.20414

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A convenient synthesis of novel substituted imidazo[1,2-a][1,5]benzodiazepine derivatives

Autor: Algirdas Palaima, Regina Janciene, Zita Staniulyte, Lina Pleckaitiene, Benedikta D. Puodziunaite, Lidija Kosychova

Publikováno v: ARKIVOC, Vol 2006, Iss 13, Pp 158-164 (2006)

The synthesis of 2-substituted imidazo[1,2-a][1,5]benzodiazepines is accomplished from tetrahydro-1,5-benzodiazepin-2-ones and α-haloketones. The structure and stereochemistry of the ring system obtained were investigated by H and C NMR spectroscopy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::05cd9c72e81a1432eed8dba79266be9e
https://doi.org/10.3998/ark.5550190.0007.d16

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Synthesis of novel 1-substituted [1,3]thiazolo[3,2-a]-[1,5]benzodiazepine derivatives from 1,5-benzodiazepine-2-thiones and α-halogen carbonyl compounds

Autor: Zita Stumbreviciute, Steve Black, Benedikta D. Puodziunaite, Daiva Podeniene, Regina Janciene, Stephen M. Husbands

Publikováno v: Journal of Heterocyclic Chemistry. 43:979-984

A number of substituted 4H,5H,6H-thiazolo[3,2-a][1,5]benzodiazepinium salts 2a-h, 5, 9, which are based on the novel thiazolobenzodiazepine system, were prepared by condensation-cyclization of 1,5-benzodiazepine-2-thiones 1a-f, h, 4 with α-haloketon

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3747076ccdd0f2eee7a5f97bf51c2786
https://doi.org/10.1002/jhet.5570430424

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Synthesis of Substituted 5,6-Dihydro-4H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepines

Autor: Zita Stumbreviciute, L. Pleckaitiene, Regina Janciene, Lidija Kosychova, Benedikta D. Puodziunaite

Publikováno v: Chemistry of Heterocyclic Compounds. 40:811-815

A one-pot synthetic approach to the novel 5,6-dihydro-4H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepines by thermal cyclization of 4-acylhydrazino-2,3-dihydro-1H-1,5-benzodiazepines is described.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac6d6f99b895fbdabe4a87e0124109f1
https://doi.org/10.1023/b:cohc.0000040781.41929.9c

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