A General Synthesis of Enantiopure 1,2-Aminoalcohols via Chiral Morpholinones

Autor: Bernadette Graffe, Olivier Lingibé, Fabienne Segat-Dioury, Marie-Claude Sacquet, G. Lhommet

Publikováno v: Tetrahedron
Tetrahedron, Elsevier, 2000, 56 (2), pp.233-248. ⟨10.1016/S0040-4020(99)00935-7⟩

Eleven optically active 1,2-aminoalcohols 20a–i and 26b–c were prepared from d -phenylglycine via cyclic imines 7b–i (or enamine 7a). The key step of the strategy is the diastereoselective reduction of chiral oxazinones 7a–i.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dcf6f1e99c6438cc4cda4db5c151f730
https://doi.org/10.1016/s0040-4020(99)00935-7

Convergent synthesis of the methyl glycosides of a tetra- and a pentasaccharide fragment of the Shigella flexneri serotype 2a O-specific polysaccharide

Autor: Fabienne Segat-Dioury, Laurence A. Mulard

Publikováno v: Tetrahedron: Asymmetry
Tetrahedron: Asymmetry, Elsevier, 2002, 13 (20), pp.2211-2222. ⟨10.1016/S0957-4166(02)00580-3⟩
Tetrahedron: Asymmetry, 2002, 13 (20), pp.2211-2222. ⟨10.1016/S0957-4166(02)00580-3⟩

International audience; The branched pentasaccharide, α-l-Rhap-(1→3)-[α-d-Glcp-(1→4)]-α-l-Rhap-(1→3)-β-d-GlcNAcp-(1→2)-α-l-Rhap (B(E)CDA) and the corresponding linear tetrasaccharide (ECDA), which are part of the Shigella flexneri seroty

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6a775e4dcec11ad4226f9e281418dec7
https://hal-cnam.archives-ouvertes.fr/hal-02509428