methyl (R)-(5',6'-dihydro-2'-thioxo-1,3-dithiolo[4,5-b]-1,4-dithiin-5'-yl)ethanoate                                                                                                                                                              在
                                                                                                                                                                                 
mercury(II) diacetate   、                                                                                                  
亚磷酸三乙酯                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
氯仿   、                                                                                         
溶剂黄146                                                                                  为溶剂,
                                                                                                                                                    反应 7.0h,
                                                                                                                生成                                                 methyl 2-[(5R)-2-(5,6-dihydro-[1,3]dithiolo[4,5-b][1,4]dithiin-2-ylidene)-5,6-dihydro-[1,3]dithiolo[4,5-b][1,4]dithiin-5-yl]acetate