(2S,3R,4E,23’Z)-1-O-(β-D-Glucopyranosyl)-N-(32’-linoleoyloxy-23’-dotriacontenoyl)-4-sphingenine (1), a component of the esterified cerebrosides in the epidermis of guinea pigs, was synthesized by selective N-acylation of (2S,3R,4E)-1-O-(β-D-glucopyranosyl)-4-sphingenine (18) with activated ω-linoleoyloxy fatty acid ester 17.
(2S,3R,4E,23’Z)-1-O-(β-
D-葡萄糖吡喃糖基)-N-(32’-
亚油酸氧基-23’-
二十二烷基)-4-神经酰胺(1)是豚鼠表皮中酯化脑苷脂的成分,通过选择性N-酰化反应合成了(2S,3R,4E)-1-O-(β-
D-葡萄糖吡喃糖基)-4-神经酰胺(18)与活化的ω-
亚油酸氧基
脂肪酸酯17。