ethyl (E)-3-{5-[3,4-bis(tert-butyldimethyl-silanyloxymethyl)phenoxymethyl]-3-thienyl}-2-pentenoate   、                                                                                      
Lithium aluminium hydride                                                                                                                                                                                                                                                                                                          以the desired product (m=2.1 g; Y=100%) is obtained in the form of a colourless oil的产率得到(E)-3-{5-[3,4-bis(tert-butyldimethylsilanyloxy-methyl)phenoxymethyl]-3-thienyl}pent-2-en-1-ol