作者:Sönke Svenson、David H. Thompson
DOI:10.1021/jo9803176
日期:1998.10.1
A facile synthesis of ether-linked bolaform phospholipids in good yields has been developed. Triflic acid catalyzed oxirane ring opening of benzyl-protected rac-glycidyl with long-chain 1,omega-alkanediols (n = 16, 20) produced 1,1'-diglycerol diethers in 80-90% yield. Double alkylation of the secondary hydroxy groups with 1-bromooctane or 1-bromodecane gave the corresponding benzyl-protected tetraethers
已经开发了以高收率容易地合成醚连接的硼状磷脂的方法。三氟乙酸与长链1,ω-链烷二醇(n = 16,20)一起催化苄基保护的rac-缩水甘油基的环氧乙烷开环反应,以80-90%的产率生成1,1'-二甘油二醚。用1-溴辛烷或1-溴碳烷对仲羟基进行双烷基化,得到相应的苄基保护的四醚,收率为66%。在Pd / C存在下对苄基进行氢解反应(产率为55-66%),然后用2当量的2-氯-2-氧代-1,3,2-二氧戊环烷进行磷酸化,并用过量的三甲胺胺化,生成四醚硼酸酯双磷酸胆碱为白色粉末,产率约75%。