Zobrazeno 1 - 10 of 13 pro vyhledávání: '"Delphine Josien-Lefebvre"'
1
New very mild conditions for the opening of an epoxide assisted by a neighboring carbonyl group
Autor: Claude Le Drian, Delphine Josien-Lefebvre, Alexandre Walther
Publikováno v: Tetrahedron Letters. 52:2550-2553
An epoxide is opened stereo- and regio-selectively by 1,3-endo migration of a phenylthiogroup in almost neutral conditions. The thioether is then reduced to give the alcohol corresponding to the starting epoxide in an excellent yield.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f00da6b3e98c6172a62b8a6fe8b36628
https://doi.org/10.1016/j.tetlet.2011.03.024
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2
Synthesis of ABC miktoarm star block copolymers from a new heterotrifunctional initiator by combination of ATRP and ROP
Autor: Delphine Josien-Lefebvre, Kamal Hariri, Mihai Rusu, Christelle Delaite, Claudia Gordin, Hussein Medlej
Publikováno v: Polymer Bulletin. 63:789-801
We described the obtention of well-defined ABC star block copolymers through the use of a new heterotrifunctional initiator. That way, well-defined PCL-arm–PS-arm–PLLA star block copolymers have been synthesized from a heterotrifunctional initiat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7734c6bf6e944e5827797a9b83476237
https://doi.org/10.1007/s00289-009-0120-5
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3
Total Synthesis of (2Z)-[(4R,5R,6S)-6-(β-D-Glucopyranosyloxy)-4,5-dihydroxycyclohex-2-en-1-ylidene]ethanenitrile, a Cyanoglucoside fromIlex warburgii
Autor: Delphine Josien‐Lefebvre, Claude Le Drian
Publikováno v: Helvetica Chimica Acta. 90:19-30
The total synthesis of the noncyanogenic cyanoglucoside 1, originally isolated from Ilex warburgii, was achieved in nine steps (9% overall yield), starting from an optically pure Diels–Alder adduct ((+)-3). The key step of the synthesis, the glycos
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f7d6a84526fb86db8f6aeabcbd9a483d
https://doi.org/10.1002/hlca.200790015
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4
Total Synthesis of (−)-Lithospermoside
Autor: Claude Le Drian, Delphine Josien‐Lefebvre
Publikováno v: Helvetica Chimica Acta. 86:661-672
The total synthesis of the naturally occurring noncyanogenic cyanoglucoside (−)-lithospermoside (1) was achieved starting from optically pure oxatrinorbornenone (+)-2 in 12 steps and 10% overall yield. The key step of the synthesis, the glycosidati
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b304f054a4d906ff8ef82060e133830f
https://doi.org/10.1002/hlca.200390065
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7
Preparation of Protected ?2- and ?3-Homocysteine, ?2- and ?3-Homohistidine, and ?2-Homoserine for Solid-Phase Syntheses
Autor: Gerald Lelais, Francesco Rossi, Delphine Josien‐Lefebvre, Dieter Seebach, Peter Micuch
Publikováno v: ChemInform. 36
The Ser, Cys, and His side chains play decisive roles in the syntheses, structures, and functions of proteins and enzymes. For our structural and biomedical investigations of β-peptides consisting of amino acids with proteinogenic side chains, we ne
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c4c390358b5ddfaf478d7877652a65da
https://doi.org/10.1002/chin.200521194
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