Synthesis of annelated bis-crownethers.
作者:Kim Christiansen、Jan Becher、Thomas Kruse Hansen
DOI:10.1016/s0040-4039(00)79593-1
日期:1992.5
Symmetrical or unsymmetrical annelated bis-crownethers are prepared via the stepvise reaction of disodium-1,3-dithole-2-thione-4,5-dithiolate with a bis-alkylating reagent, BrCH2(CH2OCH2)nCH2Br.
对称或不对称的退火双冠醚是通过1,3-二孔-2-硫代-4,5-二硫代二钠二钠与双烷基化试剂BrCH 2(CH 2 OCH 2)n CH 2 Br的逐步反应制备的。