Zobrazeno 1 - 10
of 225
pro vyhledávání: '"Claude Agami"'
Autor:
Claude Agami, François Couty
Publikováno v:
European Journal of Organic Chemistry. 2004:677-685
This microreview presents the use of 1,3-oxazolidines, prepared from enantiomerically pure β-amino alcohols, as chiral inductors for the stereoselective transformation of adjacent prostereogenic C=C or C=O bonds. After a brief chronological presenta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c9bfa9e80b85582bea0af26ca249b9d
https://doi.org/10.1002/ejoc.200300452
https://doi.org/10.1002/ejoc.200300452
Publikováno v:
Tetrahedron. 59:9701-9706
In a reinvestigation of the reactivity of carbenoids derived from epoxides, we studied the factors that could influence the chemoselectivity of the carbenoid insertion into vicinal C–H or CC bond in cyclic α-alkoxy epoxides bearing an alkenyl s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c26913a47981e83cbae152d0763ca1a6
https://doi.org/10.1016/j.tet.2003.10.011
https://doi.org/10.1016/j.tet.2003.10.011
Publikováno v:
European Journal of Organic Chemistry. 2003:2062-2070
Six analogues (labeled 27 to 32) of a cytotoxic alkaloid isolated from the tunicate Clavelina picta were synthesized from an acyl oxazolidine. The absolute stereochemistry of the targeted analogues derived from (R)-phenyl glycinol and the relative st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e7542280911a24f11ef8471f21fe403
https://doi.org/10.1002/ejoc.200300057
https://doi.org/10.1002/ejoc.200300057
Publikováno v:
Synthesis. 2003:0859-0862
A series of polysubstituted pyrroles 3 have been synthesized efficiently in two or three steps starting from primary amines 1. The key step of this process is the bromocyclization of δ-dienamino esters 2. The chemoselectivity of this reaction is dis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2ea92606336d1241e80209448c8e5cd
https://doi.org/10.1055/s-2003-38690
https://doi.org/10.1055/s-2003-38690
Publikováno v:
Tetrahedron Letters. 43:4633-4636
Substituted azetidinic 2-phosphonates were prepared in diastereoisomerically and enantiomerically pure form, starting from readily available β-amino alcohols. This synthesis involved a three-step sequence: (i) N-alkylation of the starting amino alco
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02fcc4fec70ecc8598d2e3d4fb27cd35
https://doi.org/10.1016/s0040-4039(02)00868-7
https://doi.org/10.1016/s0040-4039(02)00868-7
Autor:
François Couty, Claude Agami
Publikováno v:
Tetrahedron. 58:2701-2724
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f2dfd7734dea4cbd5fdc4766984081cd
https://doi.org/10.1016/s0040-4020(02)00131-x
https://doi.org/10.1016/s0040-4020(02)00131-x
Publikováno v:
The Journal of Organic Chemistry. 67:2424-2428
New β-amino alcohols possessing a vinylsilane moiety were reacted with glyoxal to produce lactones that were transformed in three steps in enantiopure pipecolic acid derivatives. The key step was a...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1d6344fb224885f0f1b8db001751ad1
https://doi.org/10.1021/jo010780+
https://doi.org/10.1021/jo010780+
Publikováno v:
Tetrahedron: Asymmetry. 13:297-302
Enantiopure 2-cyano azetidines were prepared in high yields from β-amino alcohols. This synthesis was shown to be general and is based on two important steps: (i) chlorination of a N-cyanomethylated β-amino alcohol and (ii) a 4-exo-trig ring closur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2581171567d1e3c3b092778eb88146d4
https://doi.org/10.1016/s0957-4166(02)00076-9
https://doi.org/10.1016/s0957-4166(02)00076-9
Publikováno v:
The Journal of Organic Chemistry. 67:1496-1500
Diastereoselective reactions between (S)-phenylglycinol-derived oxazolidines and two unsaturated organolithium reagents afforded chiral beta-amino alcohols having vinyl and alkynylsilane moieties. When the same reactions were performed in the presenc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::71c5cb49967bbaaed71acb40aea654a4
https://doi.org/10.1021/jo010779a
https://doi.org/10.1021/jo010779a
Publikováno v:
ResearcherID
Stereodefined alkenols prepared in two steps from a Weinreb amide derived from (R)-phenylglycinol undergo highly stereoselective Claisen rearrangements. The masked aldehyde moiety of the produced N-Boc-alkenyloxazolidines can then be recovered and re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e11b70f8fc13c2ea72013a3e6793258a
https://doi.org/10.1002/1099-0690(20021)2002:1<29::aid-ejoc29>3.0.co
https://doi.org/10.1002/1099-0690(20021)2002:1<29::aid-ejoc29>3.0.co