作者:Stefan Graf、Günter Szeimies
DOI:10.1016/s0040-4020(01)89892-6
日期:1993.4
1,6-Dibromotricyclo[3.1.0.02,6]hexane 2e has been prepared in 56% yield by reaction of 1,6-dilithiotricyclo[3.1.0.02,6]hexane 2d with 2.5 equiv. of tosyl bromide. 2e proved to be a new source for generating tricyclo[3.1.0.02,6]hex-1-(6)-ene 1 by reaction with magnesium, with lithium sand, or with tert-butyllithium, as shown by formation of the Diels-Alder adduct 5. Ene adducts of 1 were obtained with
通过使1,6-二硫代硫代三环[3.1.0.0 2,6 ]己烷2d与2.5当量反应,以56%的产率制备1,6-二溴三环[3.1.0.0 2,6 ]己烷2e。甲苯磺酰溴。2e被证明是通过与镁,锂砂或叔丁基锂反应生成三环[3.1.0.0 2,6 ] hex-1-(6)-ene 1的新来源,如狄尔斯的形成所示-Al木加成物5。用烯烃7a-e而不是烯丙基苯获得1的烯加合物。所述顺式-修正-1,3-二烯10和1产生48%的产率为11,而10和4,较高的同系物1导致27%的产率为14。