Efficient Synthesis of α-Galactosyl Ceramide Analogues Using Glycosyl Iodide Donors
摘要:
The combination of reactive galactosyl iodide donors with electron-rich acceptor lipids provides highly stereoselective and efficient routes to a GalCer analogues. Using per-O-silylated donors, key intermediates can be obtained in a three-step, one-pot sequence providing useful constructs for analogue development.
Highly efficient synthesis of alpha-O-galactosyl ceramides
申请人:Gervay-Hague Jacquelyn
公开号:US20090036658A1
公开(公告)日:2009-02-05
A method for the production of a-O-galactosyl ceramide precursor is demonstrated. The method involves the reaction of galactosyl iodide with a sphingosine derivative or phytosphingosine derivative in the presence of a quaternary ammonium iodide salt to prepare the a-O-galactosyl ceramide precursor in the a-anomer form. The a-O-galactosyl ceramide is then prepared by reaction with a suitable fatty acid or fatty acid derivative.