Add time:08/17/2019         Source:sciencedirect.com

α-Galactosyl ceramide is synthesized from d-lyxose in 32% overall yield in five steps. The short and efficient protocol involves a one-pot protection and glycosidation of d-lyxose with d-galactosyl iodide as a key step. The α-linked disaccharide obtained was subsequently transformed into α-galactosyl ceramide in four steps involving Z-selective Wittig olefination at C-1, stereo-inversion at C-4 using azide, one-pot reduction of azide and amidation, and global deprotection.

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