Synthesis of optically active derivatives of bicyclic chiral diols with C2 symmetry
作者:Flavia C. Zacconi、Liliana C. Koll、Julio C. Podestá
DOI:10.1016/j.tetasy.2010.12.012
日期:2011.1
efficient procedures for the preparation of optically active dibromide, diazide, diamine, and unsaturated diesters derived from a chiral bicyclic diol with C2 symmetry namely (11R,12R)-9,10-dihydro-9,10-ethaneanthracene-11,12-dimethanol 3. Esterification of 3 with saturated and unsaturated carboxylic acids and acids chlorides leads to the corresponding normal-, olefinic- and acetylenic diesters in average yields
本文报道了从具有C 2对称性的手性双环二醇即(11 R,12 R)-9,10-二氢-9,10-乙烷基蒽衍生的旋光性二溴化物,二叠氮化物,二胺和不饱和二酯的制备方法。-11,12-二甲醇3。用饱和和不饱和羧酸和酰氯酯化3会导致相应的正构,烯属和炔属二酯,平均收率为81%。同样,更高效的技术可以以更高的产率制备起始二醇3,并且可以非常简单地分离DCU(N,N描述了根据DCC / DMAP方法进行的反应的'-(二环己基脲)。