甘油
化学
磷酸胆碱
甘油酯
外消旋化
产量(工程)
甘露醇
旋光
色谱法
比旋转
有机化学
生物化学
磷脂
磷脂酰胆碱
膜
脂肪酸
材料科学
冶金
标识
DOI:10.1016/0009-3084(81)90028-1
摘要
A simple and fast route for the preparation of 1,2-isopropylidene-sn-glycerol from D-mannitol in 45% yield is described. The value of optical rotation, [α]D20 + 15.2°, is higher than usual indicating considerable racemization for other procedures. Since 1,2-isopropylidene-sn-glycerol serves as general intermediate for the synthesis of glycerides and of phosphoglycerides these lipids contain substantial amounts of the isomer, for instance 1,2-dipalmitoyl-sn-glycerol-3-phosphocholine may consist of up to 15% of 2,3-dipalmitoyl-sn-glycerol-1-phosphocholine in earlier preparations.
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