Výsledky vyhledávání - "George Karigiannis"

Akademický článek

ENZYMATIC PRODUCTION OF GLUCOSE FROM WASTE PAPER

Autor: Demitrios H. Vynios, Dionissios A. Papaioannou, George Filos, George Karigiannis, Tania Tziala, Gerassimos Lagios

Publikováno v: BioResources, Vol 4, Iss 2, Pp 509-521 (2009)

Municipal wastes have become a severe problem in developed and developing countries during the last century, paper being the main constituent. Not all of the waste paper can be recycled, and therefore alternative procedures for the use of the remaini

Externí odkaz: https://doaj.org/article/d1e7fb65436748cf9ce08e0a9fd24619

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Akademický článek

Syntheses of crowned polyamines using isolable succinimidyl esters of N-tritylated linear amino acids and peptides

Autor: Nikolaos Tsiakopoulos, Charilaos Damianakos, George Karigiannis Dimitrios Vahliotis, Dionissios Papaioannou, Giovanni Sindona

Publikováno v: ARKIVOC, Vol 2002, Iss 13, Pp 79-104 (2003)

Externí odkaz: https://doaj.org/article/c87f14d9289b4ca29d1e9ae581acee46

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Syntheses of crowned polyamines using isolable succinimidyl esters of N-tritylated linear amino acids and peptides

Autor: George Karigiannis Dimitrios Vahliotis, Giovanni Sindona, Charilaos Damianakos, Nikolaos Tsiakopoulos, Dionissios Papaioannou

Publikováno v: ARKIVOC, Vol 2002, Iss 13, Pp 79-104 (2003)

Partial and total syntheses of polyamines incorporating crown ether moieties have been effected using N-tritylated linear amino acids, like β-alanine (βAla) and γ-aminobutyric acid (γAba), to introduce the N-3-C and N-4-C polyamine structural uni

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e077bc205930ea412a355eec87c7202f
https://www.arkat-usa.org/arkivoc-journal/browse-arkivoc/ark.5550190.0003.d10

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Simple syntheses of N-alkylated spermidine fragments and analogues of the spermine alkaloid kukoamine A

Autor: Maria Militsopoulou, Petros Mamos, George Karigiannis, George Balayiannis, George W. Francis, Dionissios Papaioannou, Stratos Vassis

Publikováno v: Tetrahedron Letters. 42:1579-1582

Acylation of a variety of amines with succinimidyl N-trityl-β-alanyl-γ-aminobutyrate and N-trityl-γ-aminobutyryl-β-alaninate, readily obtained through coupling of succinimidyl N-trityl-β-alaninate with trimethylsilyl γ-aminobutyrate and of N-tr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::08f58d6c20080033d830cf900790a259
https://doi.org/10.1016/s0040-4039(00)02308-x

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Total syntheses of novel dideoxynucleoside analogues using chiral amino acids

Autor: Dionissios Papaioannou, Panayiotis Gatos, George Karigiannis, George Balayiannis, Erik De Clercq

Publikováno v: Tetrahedron Letters. 41:6191-6194

N-Tritylated l -a ndd-methionine and l-glutamic acid were used to obtain novel chiral iso-dideoxynucleoside analogues incorporating a tetrahydrofuranyl or a tetrahyropyranyl ring as the pseudosugar part, and at positions 2 and 3 of the ring an hydrox

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::49b8f92d50e6af54be23bdb73e1bb262
https://doi.org/10.1016/s0040-4039(00)01004-2

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Structure, Biological Activity and Synthesis of Polyamine Analogues and Conjugates

Autor: Dionissios Papaioannou, George Karigiannis

Publikováno v: European Journal of Organic Chemistry. 2000:1841-1863

The structure and the biological significance of naturally occurring and synthetic polyamine analogues and conjugates are presented and the available methodologies for their synthesis are described. These methodologies involve either the selective fu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d5c22dcac7c2eeb0e8f4206809a4b5c1
https://doi.org/10.1002/(sici)1099-0690(200005)2000:10<1841::aid-ejoc1841>3.0.co

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Simple fragment syntheses of all four isomers of the spermine alkaloid kukoamine

Autor: Dionissios Papaioannou, Ioannis Katsoulis, George Balayiannis, Petros Mamos, George Karigiannis

Publikováno v: Tetrahedron Letters. 39:5117-5120

All four isomers of the spermine alkaloid kukoamine were unambiguously prepared through diacylation with O,O′ -dibenzylcaffeyl chloride of suitably protected (benzyl and/or trityl groups) spermine derivatives, assembled on solid and/or in liquid ph

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e8d8082407e66792c37c901d11414805
https://doi.org/10.1016/s0040-4039(98)00940-x

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