benzo[1,2:4,5]bis(1,1,2,2-tetramethyl-1,2-disilacyclobut-3-ene)                                                                                                                                                              在
                                                                                                                                         
四(三苯基膦)钯                                                                                                                                                                          作用下,
                                                                                                                以
                                                                                         
苯                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                以8.5 mg的产率得到2,2,3,3,7,7,9,9,13,13,14,14,18,18,20,20-Hexadecamethyl-8,19-dioxa-2,3,7,9,13,14,18,20-octasilapentacyclo[13.7.0.04,12.06,10.017,21]docosa-1(15),4(12),5,10,16,21-hexaene