cis-cyclo-octane-1,3-diol diacetate, (ii) the reaction of (1RS,2RS)- and (1SR,2RS)-trans-cyclo-oct-2-enyl methyl ethers with n-butyl-lithium to give (1RS,3RS)-3-butyl-trans-cyclo-oct-1-ene and 3-butyl-cis-cyclo-oct-1-ene, respectively, and (iii) the thermal interconversion of the diastereoisomeric acetates at 167° to give an equilibrium mixture comprising 84% of the (1RS,2RS)- and 16% of the (1SR,2RS)-form
描述了三种类型的方法:(i)将
乙酸立体定向加成到(1 RS,2 RS)-反式-环-辛-2-
烯基
乙酸酯中,得到顺式-环-
辛烷-1,3
-二醇二
乙酸酯, (ii)(1RS,2RS)-和(1SR,2RS)-反式-环-辛-2-
烯基
甲基醚与
正丁基锂的反应,得到(1RS,3RS)- 3-丁基-反式-环-辛-1-
烯和3-丁基-顺式-环-辛-1-
烯,以及(iii)非对映异构体
乙酸酯在167°的热转化,得到包含(1的84%RS,2 RS)-和(1 SR,2 RS)形式的16%。