Convenient preparative synthesis of pentacyclo[5.3.0.02,5.03,9.04,8]decane (C 2-Bishomocubane)
作者:A. S. Sklyarova、V. N. Rodionov、A. A. Fokin
DOI:10.1134/s1070428009110098
日期:2009.11
By reaction of pentacyclo[5.3.0.02,5.03,9.04,8]decane-6,10-dione 6-ethyleneketal with lithium aluminum hydride the corresponding hydroxyketal was obtained whose hydroxy group was replaced by chlorine at boiling in CCl4 in the presence of a 15% molar excess of triphenylphosphine. 6-Ethyleneketal of pentacyclo-[5.3.0.02,5.03,9.04,8]decan-6-one obtained by dechlorination of the chloroketal in a system
通过五环[5.3.0.0 2,5 .0 3,9 .0 4,8 ]癸烷-6,10-二酮6-乙烯缩酮与氢化铝锂反应,得到相应的羟基缩酮,其羟基在沸腾时被氯取代在15%摩尔过量的三苯基膦存在下于CCl 4中溶解。通过在THF中的叔丁基锂中将氯缩酮脱氯制得的五环的[6-乙烯缩酮-[5.3.0.0 2,5 .0 3,9 .0 4,8 ] decan-6-通过以下方式水解为酮在THF存在下,在10%硫酸中加热。所获得的酮沿着沃尔夫-基什纳反应还原为五环[5.3.0.0 2,5 .0 3,9.0 4,8 ]癸烷。