Výsledky vyhledávání - "Joëlle Pérard-Viret"

Autor: Joëlle Pérard-Viret, Rana Alsalim, Jacques Royer, Françoise Dumas, Laith Quteishat

Publikováno v: The Alkaloids
Academic Press Elsevier. The Alkaloids, 78, pp.205-352, 2017, The Alkaloids, ⟨10.1016/bs.alkal.2017.07.001⟩

International audience; Cephalotaxus alkaloids represent a family of plant secondary metabolites known for60 years. Significant activity against leukemia in mice was demonstrated for extractsof Cephalotaxus. Cephalotaxine (CET) (1), the major alkaloi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48c85162b6b9fc04c7c84d4c6bf1a59d
https://hal.archives-ouvertes.fr/hal-02372823/document

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An expeditious total synthesis of (±)-jamtine using condensation between imine and acid anhydride

Autor: Joëlle Pérard-Viret, Marie-Line Manisse, Jacques Royer, Florence Souquet

Publikováno v: Tetrahedron Letters. 51:96-98

A totally convergent and very short (three steps) synthesis of (±)-jamtine was described. The key step of this sequence was the condensation of 6,7-dimethoxy-3,4-dihydroisoquinoline and tetrahydrophthalic anhydride under microwave activation which o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::70f13bf38b7ad1939cda0d0e68ac5693
https://doi.org/10.1016/j.tetlet.2009.10.091

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Optimized multimodal nanoplatforms for targeting αvβ3 integrins

Autor: Laurence Motte, Didier Letourneur, Oualid Haddad, Joëlle Pérard-Viret, Yoann Lalatonne, Julie Bolley, Michael Soussan

Publikováno v: Nanoscale
Nanoscale, Royal Society of Chemistry, 2013, 5 (23), pp.11478. ⟨10.1039/C3NR03763K⟩
Nanoscale, Royal Society of Chemistry, 2013, 5 (23), pp.11478-89. ⟨10.1039/c3nr03763k⟩

International audience; Magnetic Resonance Imaging (MRI) using contrast agents is a very powerful technique for diagnosis in clinical medicine and biomedical research. The synthesis of ultrasmall superparamagnetic iron oxide (USPIO) nanoparticles tar

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https://hal.archives-ouvertes.fr/hal-03385035

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Synthesis of (R,R) and (S,S) bicyclo[3.3.0]octane-2,6-dione interactions between non-conjugated chromophores

Autor: Joëlle Pérard-Viret, André Rassat

Publikováno v: Tetrahedron: Asymmetry
Tetrahedron: Asymmetry, Elsevier, 1994, 5 (1), pp.1-4. ⟨10.1016/S0957-4166(00)80469-3⟩

International audience; Opticafiy pure bicyclo(3.3.0]oc~-Z,6-dione is easily obtained with a yield of 4% for each enantiomerfrom 1,5-cyolooctadiene 5 steps, by resolution of the intermediate diol wth menthyloxyacetiacid. Its CD is60 % larger than twi

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https://doi.org/10.1016/s0957-4166(00)80469-3

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ChemInform Abstract: Synthesis of (R,R) and (S,S) Bicyclo(3.3.0)octane-2,6-dione. Interactions Between Non-Conjugated Chromophores

Autor: André Rassat, Joëlle Pérard-Viret

Publikováno v: ChemInform. 25

Optically pure bicyclo[3.3.0]octane-2,6-dione is easily obtained with a yield of 4% for each enantiomer from 1,5-cyclooctadiene in 5 steps, by resolution of the intermediate diol with menthyloxyacetic acid. Its CD is 60% larger than twice the CD of a

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https://doi.org/10.1002/chin.199421105

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Stereoselective synthesis of enantiopure analogues of (−)-cephalotaxine

Autor: Farouk Berhal, Joëlle Pérard-Viret, Jacques Royer

Publikováno v: Tetrahedron: Asymmetry
Tetrahedron: Asymmetry, Elsevier, 2010, 21 (3), pp.325-332. ⟨10.1016/j.tetasy.2010.01.004⟩

International audience; The asymmetric total synthesis of three analogues of ()-cephalotaxine with structural modification ofthe aromatic ring was achieved in 16 steps and acceptable overall yields. The procedure used was quitesimilar to that reporte

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4b2a1e3b6b1018267229c31ca4120d3c
https://hal.archives-ouvertes.fr/hal-03386006/document

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Synthesis and evaluation of substituted indolizidines as peptidomimetics of RGD tripeptide sequence

Autor: Delphine Halie, Joëlle Pérard-Viret, Sylvie Dufour, Jacques Royer

Publikováno v: Tetrahedron
Tetrahedron, Elsevier, 2009, 65 (7), pp.1402-1414. ⟨10.1016/j.tet.2008.12.015⟩

International audience; The synthesis of seven peptidomimetics of RGD is presented. The indolizidine building block was obtainedby condensation of allylglycine with dimethoxydihydrofuran followed by an intermolecular cyclization.The bicyclic ring was

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac0e59897bfaccec891c2fe3a6741afb
https://hal.archives-ouvertes.fr/hal-03385010

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Synthesis of Optically Active Monoacid Side-Chains of Cephalotaxus Alkaloids

Autor: Farouk Berhal, Jacques Royer, Sébastien Tardy, Joëlle Pérard-Viret

Publikováno v: European Journal of Organic Chemistry
European Journal of Organic Chemistry, Wiley-VCH Verlag, 2009, 2009 (3), pp.437-443. ⟨10.1002/ejoc.200800935⟩

The general preparation of enantiopure monoacid side-chains of several esters of cephalotaxine is described. The strategy, similar to Weinreb's approach to the synthesis of deoxyharringtonine, used as key intermediate the chiral nonracemic epoxide 11

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https://hal.archives-ouvertes.fr/hal-02372735

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