4,5-bis(8-hydroxyoctyloxy)-9-(2',3'-dihydro-2'-methyl-1'H-naphtho[2,1-b]thiopyran-1'-ylidene)-9H-thioxanthene 、
对甲苯磺酰氯 在
吡啶 作用下,
以
氯仿 为溶剂,
反应 72.0h,
以83%的产率得到4,5-bis[8-(p-tosyloxy)octyloxy]-9-(2',3'-dihydro-2'-methyl-1'H-naphtho[2,1-b]thiopyran-1'-ylidene)-9H-thioxanthene