Building block derivatives of the component monosaccharides were used to construct the tetrasaccharide glycoside 15, in which an alpha-D-Galp-(1 leads to 4)-D-Gal linkage replaces the alpha-(1 leads to 3) linkage of the human blood-group B, type 2, determinant structure. The initial coupling of 2-O-
Synthesis of an H type 2 and a Y (Ley) glycoside from thioglycoside intermediates
✍ Scribed by Stinabritt Nilsson; Hans Lönn; Thomas Norberg
- Book ID
- 105048568
- Publisher
- Springer US
- Year
- 1989
- Tongue
- English
- Weight
- 797 KB
- Volume
- 6
- Category
- Article
- ISSN
- 1573-4986
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## Abstract The reaction of anthranilonitriles **8** with phenyl isoselenocyanates (**1a**) in dry pyridine under reflux gave 4‐(phenylamino)quinazoline‐2(1__H__)‐selones **9** (__Scheme 2__). They are easily oxidized and converted to diselenides of type **11**. The analogous reaction of **8a** wit
The selectively benzylated glycoside allyl 2-acetamido-4,6-di-O-benzyl-2-deoxy-beta-D-galactopranoside (4) was prepared from the corresponding derivative of 2-acetamido-2-deoxy-D-glucose via the p-bromobenzenesulfonate and the benzoate. 2-O-Benzoyl-3,4,6-tri-O-benzyl-alpha-D-galactopyranosyl (10) wa