、
2,6,8,10-tetrathiobicyclo[5,3,0]dec-1(7)en-9-one 在
亚磷酸三乙酯 作用下,
以
甲苯 为溶剂,
反应 6.0h,
以20%的产率得到21,27,33,38-tetratert-butyl-10-(6,7-dihydro-5H-[1,3]dithiolo[4,5-b][1,4]dithiepin-2-ylidene)-42,43-dimethoxy-3,17-dioxa-7,9,11,13,24,30,35,41-octathiaheptacyclo[17.15.7.125,29.136,40.02,31.08,12.018,23]tritetraconta-1,8(12),18,20,22,25(43),26,28,31,33,36,38,40(42)-tridecaene