Zobrazeno 1 - 10
of 71
pro vyhledávání: '"Yvan Ramondenc"'
Autor:
Baptiste Gérardin, Iman Traboulsi, Suman Pal, Gabrielle Lebunetelle, Yvan Ramondenc, Christophe Hoarau, Cédric Schneider
Publikováno v:
Organic Letters. 24:8164-8169
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a4fbba967874b984207fe9008800e3f8
https://doi.org/10.1021/acs.orglett.2c03223
https://doi.org/10.1021/acs.orglett.2c03223
Autor:
Virginie Sophie Poncelet, Christophe Hoarau, Antoine Peresson, Thibaut Perse, Steven Frippiat, Christine Baudequin, Olivier Querolle, Cédric Schneider, Vincent Levacher, Patrick Angibaud, Lieven Meerpoel, Yvan Ramondenc, Laurent Bischoff
Publikováno v:
SYNLETT
SYNLETT, Georg Thieme Verlag, 2020, 31 (10), pp.1015-2021. ⟨10.1055/s-0040-1708003⟩
SYNLETT, Georg Thieme Verlag, 2020, 31 (10), pp.1015-1021. ⟨10.1055/s-0040-1708003⟩
SYNLETT, Georg Thieme Verlag, 2020, 31 (10), pp.1015-2021. ⟨10.1055/s-0040-1708003⟩
SYNLETT, Georg Thieme Verlag, 2020, 31 (10), pp.1015-1021. ⟨10.1055/s-0040-1708003⟩
International audience; The palladium-catalyzed arylation and alkenylation of N-substituted methyl imidazole-4-carboxylates are described through inter- and intramolecular pathways. Both direct C2–H and C5–H arylation and alkenylation proceed und
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c9434a083cc8e00032950a76fb30e594
https://hal-normandie-univ.archives-ouvertes.fr/hal-02548986
https://hal-normandie-univ.archives-ouvertes.fr/hal-02548986
Autor:
Sylvain Achelle, Mircea Darabantu, Nelly Plé, Christine Baudequin, Patrice L. Baldeck, Yvan Ramondenc, Oana Moldovan, Charline Denneval
Publikováno v:
European Journal of Organic Chemistry. 2013:5591-5602
We report, herein, the synthesis of new push–pull chromophores that incorporate a diazine ring as the electron-withdrawing part and an N,N-dimethylaniline moiety as the electron-donating part. Both of which are connected to a fluorene core. The len
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::adb1fd6201b6150fb7308fecda2ffcd8
https://doi.org/10.1002/ejoc.201300458
https://doi.org/10.1002/ejoc.201300458
Autor:
Yvan Ramondenc, Nelly Plé, Georges Dupas, Anne-Sophie Cornec, Catherine Fiol-Petit, Christine Baudequin
Publikováno v:
European Journal of Organic Chemistry. 2013:1908-1915
Using copper-catalysed Huisgen 1,3-dipolar cycloaddition, we describe the synthesis of new A-π-D compounds containing a pyrimidine moiety as π-acceptor (A) and various para-substituted benzene rings as donors (D). Structure–photophysical properti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0cd15bb5ad2d3ad77cb7504d24ff66c5
https://doi.org/10.1002/ejoc.201201033
https://doi.org/10.1002/ejoc.201201033
Autor:
Flavia Popa, Eric Hénon, Oana Moldovan, Dominique Harakat, Yvan Ramondenc, Pedro Lameiras, Mircea Darabantu, Carmen Sacalis, Agathe Martinez
Publikováno v:
Open Chemistry, Vol 10, Iss 4, Pp 1119-1136 (2012)
Central European Journal of Chemistry
Central European Journal of Chemistry, Springer Verlag, 2012, 10 (4), pp.1119-1136. ⟨10.2478/s11532-012-0015-4⟩
Central European Journal of Chemistry
Central European Journal of Chemistry, Springer Verlag, 2012, 10 (4), pp.1119-1136. ⟨10.2478/s11532-012-0015-4⟩
The highly chemoselective preparation of new elaborated N-unsymmetrically substituted chlorodiamino-s-triazines and melamines, seen as building-blocks for iterative synthesis, is reported. It consisted of amination of cyanuric chloride with commercia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7d47672ef8e24255069387cb0c653e22
https://doi.org/10.2478/s11532-012-0015-4
https://doi.org/10.2478/s11532-012-0015-4
Autor:
Yvan Ramondenc, Carmen Batiu, Ioan Silaghi-Dumitrescu, Sophie Guillard, Andrada But, Pedro Lameiras, Mircea Darabantu
Publikováno v:
Letters in Organic Chemistry
Letters in Organic Chemistry, Bentham Science Publishers, 2010, 7 (4), pp.283-290. ⟨10.2174/157017810791130658⟩
Letters in Organic Chemistry, Bentham Science Publishers, 2010, 7 (4), pp.283-290. ⟨10.2174/157017810791130658⟩
Starting from TRIS [2-amino-2-(hydroxymethyl) propane-1,3-diol] via its thia analogue, 2-amino-2-(mercaptomethyl) propane-1,3-diol' double cyclocondensation with formaldehyde, we report a four steps synthesis of the first term in the title series of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::02aaad5a7382b04f0e81978af6d89cb0
https://doi.org/10.2174/157017810791130658
https://doi.org/10.2174/157017810791130658
Autor:
Ion Grosu, Şerban Andrei Gâz, Elena Bogdan, Anamaria Terec, Eric Condamine, Yvan Ramondenc, Niculina D. Bogdan
Publikováno v:
Tetrahedron
Tetrahedron, Elsevier, 2008, 64 (30-31), pp.7295-7300. ⟨10.1016/j.tet.2008.05.065⟩
Tetrahedron, Elsevier, 2008, 64 (30-31), pp.7295-7300. ⟨10.1016/j.tet.2008.05.065⟩
The synthesis of new spiro and trispiro compounds with 2,4,8,10-tetrathiaspiro[5.5]undecane and 7,11,18,21-tetrathia[5.2.2.5.2.2]heneicosane units is reported. The structural analysis was carried out by NMR investigations and the X-ray single crystal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e0eaaab4dc8f69f5f78c5f12a36318c9
https://doi.org/10.1016/j.tet.2008.05.065
https://doi.org/10.1016/j.tet.2008.05.065
Autor:
Gérard Plé, Yvan Ramondenc, Anamaria Terec, Ion Grosu, Monica Cîrcu, Loïc Toupet, Nicolae Dinca, Maria Carmen Florian
Publikováno v:
Open Chemistry, Vol 4, Iss 4, Pp 808-821 (2006)
Central European Journal of Chemistry
Central European Journal of Chemistry, Springer Verlag, 2006, 4 (4), pp.808-821. ⟨10.2478/s11532-006-0040-2⟩
Central European Journal of Chemistry, 2006, 4 (4), pp.808-821. ⟨10.2478/s11532-006-0040-2⟩
Central European Journal of Chemistry
Central European Journal of Chemistry, Springer Verlag, 2006, 4 (4), pp.808-821. ⟨10.2478/s11532-006-0040-2⟩
Central European Journal of Chemistry, 2006, 4 (4), pp.808-821. ⟨10.2478/s11532-006-0040-2⟩
The synthesis and the stereochemistry of new 1,3,5-tris(1,3-dioxan-2-yl)-benzene derivatives are reported. The anancomeric structure and the axial orientation of the aryl group with respect to all 1,3-dioxane rings, and the cis-trans isomerism of som
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d9563f1b7f5f141dc88cd410c3fa7606
https://doaj.org/article/6daddd4c995a4c51bb6b9ba89f6a796f
https://doaj.org/article/6daddd4c995a4c51bb6b9ba89f6a796f
Autor:
Gérard Plé, Yvan Ramondenc, Catherine Lange, Ion Grosu, Corinne Loutelier-Bourhis, Mirela Balog
Publikováno v:
Rapid Communications in Mass Spectrometry
Rapid Communications in Mass Spectrometry, Wiley, 2005, 19 (12), pp.1644-1647. ⟨10.1002/rcm.1959⟩
Rapid Communications in Mass Spectrometry, Wiley, 2005, 19 (12), pp.1644-1647. ⟨10.1002/rcm.1959⟩
Important differences in the electron ionization (EI) mass spectra of cis,cis and trans,trans isomers of some 2(r)-R-2,4(R),6(S)-trimethyl-1,3-dioxanes are recorded and the significant preference for the fragmentation with the cleavage of the axial s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2757a693f12ec11d47749c665e0477d0
https://doi.org/10.1002/rcm.1959
https://doi.org/10.1002/rcm.1959
Autor:
Dorina M. Opris, Ion Grosu, Fernande D. Rochon, Valérie Peulon-Agasse, Livain Breau, Eric Condamine, Gérard Plé, Yvan Ramondenc, Anamaria Terec
Publikováno v:
Tetrahedron
Tetrahedron, Elsevier, 2004, 60 (14), pp.3173-3189. ⟨10.1016/j.tet.2004.02.027⟩
Tetrahedron, Elsevier, 2004, 60 (14), pp.3173-3189. ⟨10.1016/j.tet.2004.02.027⟩
The synthesis and stereochemistry of the first reported pentaspiro- and hexaspiro-1,3-dioxane and polyspiro-1,3-oxathiane (from dispiro to hexaspiro) derivatives are described. The crystal structures of a dispiro- and tetraspiro-1,3-oxathiane were de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e4f1d7f074e7db84a6e7e95d1b99b79
https://doi.org/10.1016/j.tet.2004.02.027
https://doi.org/10.1016/j.tet.2004.02.027