Výsledky vyhledávání - "Françoise Barbalat-Rey"

A Novel Type of Spironucleosides: 2′,5′-O-bis-TBDMS Uridine-3′-spiro-3′-isoxazolidin-5′-one and Its Thymidine Congener

Autor: Jean M. J. Tronchet, Imre Kovács, Françoise Barbalat-Rey, Naz Dolatshahi

Publikováno v: Nucleosides and Nucleotides. 15:337-347

TSAO analogues, 2′,5′-O-bis-TBDMS uridine-3′-spiro-3′-isoxazolidin-5′-one (9) and its thymidine congener 10, as well as model spiro sugar derivatives (3 and 4) have been prepared from the corresponding nitrones through a stereospecific tand

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::efe1e8ba613da0b912c0734d43f2b611
https://doi.org/10.1080/07328319608002388

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4′-Aza-3′,5′-dihomothymidine and Derivatives

Autor: Françoise Barbalat-Rey, Mohammed Iznaden, István Komáromi, Gérald Bernardinelli, Naz Dolatshahi, Jean M. J. Tronchet

Publikováno v: Nucleosides and Nucleotides. 14:1737-1758

A series of 3′-branched 4′-azanucleoside analogues have been prepared. These compounds comprise three asymmetric atoms, two carbons and one nitrogen. They constitute nucleoside analogues imparted with a “flickering configuration”, the nitroge

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cfae3e5df9cb7fe91595a924ec6cf04c
https://doi.org/10.1080/15257779508009754

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Synthesis and Anti-HIV Activity of Further Examples of 1-[3-Deoxy-3-(N-hydroxyamino)-β-d-threo-(and β-d-erythro)-pentofuranosyl]thymine Derivatives1

Autor: Olivier Lassout, Jean M. J. Tronchet, Françoise Barbalat-Rey, Michel Geoffroy, Martina Zsély, István Komáromi

Publikováno v: Journal of Carbohydrate Chemistry. 14:575-588

Upon sodium cyanoborohydride reduction followed by de-O-silylation, the O-methyloxime and N-benzylnitrone of 5′-TBDMS-3′-ketothymidine gave resolvable epimeric mixtures of 1-[2,3-dideoxy-3-(N-methoxyamino)-β-d-threo-and β-d-erythro-pentofuranos

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a380e6d9ce20add3d76380a9cc6508ae
https://doi.org/10.1080/07328309508005359

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Spin LabelledC-Glycoside Analogs: Derivatives of 1,4-Anhydro-4-deoxy-2,3-O-cyclopentylidene-l,4-N-hydroxyimino-DL-erythrofuranose

Autor: István Komáromi, Guido Zosimo-Landolfo, Alessandra Ricca, Françoise Barbalat-Rey, Gérald Bernardinelli, Mirna Balkadjian, Patrick Lichtle, Jean M. J. Tronchet, Michel Geoffroy

Publikováno v: Journal of Carbohydrate Chemistry. 14:17-34

A series of 2,3-O-cyclopentylidene C-glycoside analogs in which the furanose ring has been replaced with a N-hydroxypyrrolidine have been prepared. A structural study of these tricyclic compounds and the aminoxyl radicals thereof has been carried out

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4b252f3859df8aaa1b632e5412da8eb6
https://doi.org/10.1080/07328309508006434

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Spin Labeled Nucleoside Analogues: 4′-Hydroxymorpholin-2′-Ylpurines and Pyrimidines

Autor: Chantal Jorand, Jean M. J. Tronchet, István Komáromi, Martina Zsély, Daniel Cabrini, Michel Geoffroy, Alessandra Ricca, Françoise Barbalat-Rey

Publikováno v: Nucleosides & Nucleotides, Vol. 12, No 6 (1993) pp. 615-629

Upon borane-pyridine reduction, a series of nucleoside dialdehyde dioximes 2 underwent cyclization to the corresponding 4′-hydroxymorpholin-2′-ylpurines or pyrimidines 3 from which the peracetyl derivatives 4 were prepared. At room temperature, c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2a5ca4272157064cf7a645f35b109bb1
https://doi.org/10.1080/07328319308019016

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Derivatives of 3-Deoxy-3-(N-Hydroxyamino)-D-Ribose

Autor: Jean M. J. Tronchet, Alessandra Ricca, Françoise Barbalat-Rey, Fabienne de Villedon de Naide, Michel Geoffroy, István Komáromi

Publikováno v: Journal of Carbohydrate Chemistry, Vol. 12, No 4-5 (1993) pp. 537-556

A series of 3-(N-arylmethyl-N-hydroxyamino)-l,2-O-cyclopentylidene-3-deoxy-5-O-toluoyl-α-D-riboses has been prepared. The blocking groups used were chosen to allow an easy nucleosidation of these compounds to spin labelled analogs of natural nucleos

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::636c1c7a648374e1ef412fd4b777a52b
https://doi.org/10.1080/07328309308019406

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