Zobrazeno 1 - 10
of 19
pro vyhledávání: '"H. M. Zuurmond"'
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 109:437-441
The non-terminal glycosyl donor, ethyl 2,3-di-O-benzoyl-5-O-(chloroacetyl)-6-O-pivaloyl-1-thio-α-D-galactofuranoside, could be used, with the promoter N-iodosuccinimide and catalytic trifluoromethanesulfonic acid, for the preparation of β-D-Galf-(1
Publikováno v:
Journal of Carbohydrate Chemistry. 13:323-339
DAST-assisted rearrangement of 3-O-allyl-4-O-benzyl-α-l-rhamnopyranosyl azide followed by treatment of the generated fluorides with ethanethiol and BF3·OEt2 gave glycosyl donor ethyl 3-O-allyl-2-azido-4-O-benzyl-2,6-dideoxy-1-thio-α/β-l-glucopyra
Autor:
H. M. Zuurmond, J. H. Van Boom, P. H. Van Der Meer, P. A. M. Van Der Klein, G. A. Van Der Marel
Publikováno v:
Journal of Carbohydrate Chemistry. 12:1091-1103
Fully benzylated or benzoylated phenyl selenoglycosides can be activated by the promoters iodonium di-sym-collidine perchlorate (IDCP) or N-iodosuccinimide and catalytic triflic acid (NIS/TfOH). The potential of the iodonium ion-mediated glycosylatio
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 112:507-510
Sugar 1,2 thio ortho esters can be condensed with terminal glycosyl acceptors using iodonium-ion sources (IDCP and NIS/TfOH) as activators. IDCP- or NIS/TfOH-assisted glycosidation of sugar 1,2 thio ortho esters with primary hydroxyl groups of “arm
Publikováno v:
Tetrahedron. 49:6501-6514
Iodonium ion (NIS/TfOH)-assisted glycosylation of a sugar acceptor with properly protected ethyl (phenyl) 2-O-phenoxythiocarbonyl 1-thio-β-D-gluco- or 1-thio-α-D-mannopyranoside donors gives the respective 1,2-trans linked 2′-ethyl (phenyl) thio-
Publikováno v:
ChemInform. 22
Publikováno v:
ChemInform. 23
Publikováno v:
ChemInform. 23
Iodonium ion (NIS/TfOH, cat.) assisted glycosylation of a sugar acceptor with properly protected enthyl(phenyl)-2-O-phenoxythiocarbonyl 1-thio-β- d -gluco- or 1-thio-α- d -mannopyranoside donors gives the respective 1,2-trans linked 2′-ethyl(phen
Autor:
G. A. Van Der Marel, J. H. Van Boom, P. A. M. Van Der Klein, H. M. Zuurmond, P. H. Van Der Meer
Publikováno v:
ChemInform. 23
Fully benzylated or benzoylated phenyl selenoglycosides can be activated by the promoters iodonium di-sym-collidine perchlorate (IDCP) or N-iodosuccinimide and catalytic triflic acid (NIS/TfOH cat.). The potential of the iodonium ion-mediated glycosi
Publikováno v:
ChemInform. 24
Iodonium ion (NIS/TfOH)-assisted glycosylation of a sugar acceptor with properly protected ethyl (phenyl) 2-O-phenoxythiocarbonyl 1-thio-β-D-gluco- or 1-thio-α-D-mannopyranoside donors gives the respective 1,2-trans linked 2′-ethyl (phenyl) thio-