描述:
                                
                                                                                                                         2-{4-[2,8-bis-(tert-butyldimethylsilanyloxy)-11,12-dihydro-5H-6,13-dioxabenzo[3,4]cyclohepta[1,2-a]naphthalen-5-yl]phenoxy}ethanol                                                                                                                                                                                                                                                                                                          以2.4 g的产率得到2-{4-[2,8-bis-(tert-butyldimethylsilanyloxy)-11,12-dihydro-5H-6,13-dioxabenzo[3,4]cyclohepta[1,2-a]naphthalen-5-yl]phenoxy}ethanol