Unusual α-glycosylation with galactosyl donors with a C2 ester capable of neighboring group participation

L Chen, F Kong - Tetrahedron letters, 2003 - Elsevier
Glycosylation of 4-methoxyphenyl 2, 3, 6-tri-O-benzoyl-β-d-glucopyranoside (2) with
isopropyl 3-O-allyl-2, 4, 6-tri-O-benzoyl-(9) or 6-O-allyl-2, 3, 4-tri-O-benzoyl-1-thio-β-d …

Neighboring Group Participation in Glycosylation Reactions by 2,6-Disubstituted 2-O-Benzoyl groups: A Mechanistic Investigation

RJ Williams, NW McGill, JM White… - Journal of Carbohydrate …, 2010 - Taylor & Francis
Variable yields and glycosylation stereoselectivity were obtained for NIS/TfOH-medi-ated
reaction of 4-methoxyphenyl 2, 4, 6-tetra-O-acetyl-β-D-galactopyranoside and …

Regioselective glycosylation of 4, 6-O-benzylidenated glucopyranosides

Y Zeng, F Kong - Carbohydrate research, 2003 - Elsevier
Regioselective glycosylation with allyl 4, 6-O-benzylidene-α, β-d-glucopyranoside or methyl
4, 6-O-benzylidene-α, β-d-glucopyranoside as the acceptor was investigated. It was found …

[引用][C] Steric efffect of a bulky 6-subsituent in the I+-promoted glycosylation with pent-4-enyl and thioethyl glycosides

S Houdier, PJA Vottero - Carbohydrate research, 1992 - Elsevier
Soft electrophiles such as iodonium dicollidine perchlorate (IDCP) can activate pent-Cenyl
glycosides for glycosylation I, but (Y-and/3-glycosides were obtained in various proportions …

2′-Carboxybenzyl glycosides: glycosyl donors for C-glycosylation and conversion into other glycosyl donors

YJ Lee, JY Baek, BY Lee, SS Kang, HS Park… - Carbohydrate …, 2006 - Elsevier
Glycosylation of various glycosyl acceptors with 2′-carboxybenzyl (CB) 2, 3, 4, 6-tetra-O-
benzyl-β-d-glucopyranoside and CB 2, 3, 4, 6-tetra-O-benzyl-α-d-mannopyranoside as …

[PDF][PDF] Regioselective glycosylation of unprotected methyl hexopyranoside by transient masking with arylboronic acid

T Nishino, Y Ohya, R Murai, T Shirahata… - …, 2012 - triggered.edina.clockss.org
Unprotected methyl α/β-D-galactopyranoside, α/β-D-glucopyranoside, α-L-fucopyranoside,
and α-L-rhamnopyranoside were regioselectively glycosylated by treatment with per-O …

Stereoselective α-glycosylation with 3-O-acetylated D-gluco donors

N Ustyuzhanina, B Komarova, N Zlotina, V Krylov… - Synlett, 2006 - thieme-connect.com
The effect of a 3-O-acetyl group on the stereoselectivity of α-glycosylation with 2-O-
benzylated d-gluco glycosyl donors was studied. It was shown that 3-O-acetylated donors …

Synthesis of benzyl 2-acetamido-3, 6-di-O-(2-acetamido-2-deoxy-β-d-glucopyranosyl)-2-deoxy-α-d-galactopyranoside

SA Abbas, JJ Barlow, KL Matta - Carbohydrate Research, 1983 - Elsevier
Abstract Glycosylation of benzyl 2-acetamido-2-deoxy-3-O-(3, 4-6-tri-O-acetyl-2-deoxy-2-
phthalimido-β-d-glucopyranosyl)-α-d-galactopyranoside with 3, 4, 6-tri-O-acetyl-2-deoxy-2 …

Glycosylation with 2′-carboxybenzyl glycosides as glycosyl donors: Scope and application to the synthesis of a tetrasaccharide

KS Kim, SS Kang, YS Seo, HJ Kim, YJ Lee, KS Jeong - Synlett, 2003 - thieme-connect.com
Abstract Glycosylation of 2′-carboxybenzyl (CB) 2, 3, 4, 6-tetra-O-benzyl-α-d-
mannopyranoside (3), CB 2, 3, 4, 6-tetra-O-benzyl-β-d-glucopyranoside (4), and CB 2, 3-di …

Synthesis of benzyl 2-acetamido-3-O-and-6-O-(2-acetamido-2-deoxy-β-d-glucopyranosyl)-2-deoxy-α-d-galactopyranoside

SA Abbas, JJ Barlow, KL Matta - Carbohydrate Research, 1983 - Elsevier
Abstract Glycosylation of benzyl 2-acetamido-4, 6-O-benzylidene-2-deoxy-α-d-
galactopyranoside with 3, 4, 6-tri-O-acetyl-2-deoxy-2-phthalimido-β-d-glucopyranosyl …