6,6-Bis(methoxyethoxymethoxymethyl)-6,7-dihydro-5H-[1,3]dithiolo[4,5-b][1,4]dithiepin-2-one   、                                                                                      
5-(4'-methoxyphenyl)-[1,3]dithiolo[4,5-b][1,4]dithiin-2-one                                                                                                                                                              在
                                                                                                                                                                                 
亚磷酸三乙酯                                                                                                                                  作用下,
                                                                                                                                                                                        反应 3.0h,
                                                                                                                以40%的产率得到6,6-bis(((2-methoxyethoxy)methoxy)methyl)-2-(5-(4-methoxyphenyl)[1,3]dithiolo[4,5-b][1,4]dithiin-2-ylidene)-6,7-dihydro-5H-[1,3]dithiolo[4,5-b][1,4]dithiepine