Opening of levoglucosane derived epoxides with oxygen, nitrogen and sulfur nucleophiles
作者:Wolfgang K.-D. Brill、Dominique Tirefort
DOI:10.1016/s0040-4039(97)10715-8
日期:1998.2
A variety of nucleophiles were employed to open levoglucosane derived epoxides. (C) 1998 Elsevier Science Ltd. All rights reserved.
BIOTINYLATED HEXADECASACCHARIDES, PREPARATION AND USE THEREOF
申请人:DUCHAUSSOY Philippe
公开号:US20070270342A1
公开(公告)日:2007-11-22
The invention concerns novel biotinylated hexadecasaccharides of general formula (I) wherein: Biot is a biotin derivative; R, R
1
and R
2
, represent independently of one another a C
1
-C
6
alkoxy or and —0S0
3
; R
3
represents a C
1
-C
6
alkoxy or an —OSO
3
, or R
3
constitutes a —O—CH
2
-bridge; Pe represents a saccharide concatenation; as well as their pharmaceutically acceptable salts, and their use as medicines.