Absolute configuration of (−)-4-methylheptan-3-ol, a pheromone of the smaller european elm bark beetle, as determined by the synthesis of its (3R,4R)-(+)- and (3S,4R)-(+)-isomers
作者:K. Mori
DOI:10.1016/0040-4020(77)80108-7
日期:1977.1
Nerol and geraniol were stereoselectively converted to (±)-threo- and (±)-erythro-4-methylheptan-3-ol respectively. (R)-(+)-Citronellic acid was converted to a mixture of (3R,4R)-(+)-threo- and (3S,4R)-(+)-erythro-isomers which was separable by GLC. These syntheses established the absolute configuration of the naturally occurring (−)-4-methylheptan-3-ol to be 3S,4S.
将Nerol和香叶醇分别立体选择性地转化为(±)-苏式-和(±)-赤型-4-甲基庚烷-3-醇。将(R)-(+)-香acid酸转化为(3 R,4 R)-(+)-苏式-和(3 S,4 R)-(+)-赤型异构体的混合物GLC。这些合成建立的天然存在的绝对构型( - ) - 4-甲基庚-3-醇为3小号,4小号。