作者:Hajime Nagano、Eiyu Nakanishi、Saho Takajo、Masako Sakuma、Kaori Kudo
DOI:10.1016/s0040-4020(99)00057-5
日期:1999.2
were synthesized: (1) 7 from 2-geranyl-farnesal and methyl 4-bromo-3-methyl-2-butenoate, (2) 9 from 2-prenyl-geranyl bromide and ethyl acetoacetate, via ketone 29, (3) 11 from ethyl acetoacetate, geranyl bromide, and (E)-1-t-butyldiphenylsiloxy-5-iodo-3-methyl-2-pentene, via β-keto ester 35, and (4) 13 from geraniol by acid catalyzed condensation. These highly branched polyprenols 7, 9, 11, and 13
6-(聚)异戊二烯基-取代的聚异戊二烯醇7,9,11,和13合成的:(1)7,从2-香叶基-法呢醛和4-溴-3-甲基-2-丁烯酸乙酯,(2)9从2-异戊烯基溴化牻牛儿基和乙酰乙酸乙酯,通过酮29,(3)11从乙酰乙酸乙酯,香叶基溴,和(ë)-1-吨-butyldiphenylsiloxy -5-碘-3-甲基-2-戊烯,经由β -酮酯35和(4)13的香叶醇经酸催化缩合而成。这些高度支化的聚异戊二烯醇7,9,11,和13转化成相应的二磷酸酯8,10,12,和14分别。