2-ethynyl-2-methyl-5-prop-2-ynyltetrahydrofuran   、                                                                                      
but-2-yne-1,4-diyl bis(4,6-di-O-acetyl-2,3-dideoxy-α-D-erythro-hex-2-enopyranoside)                                                                                                                                                              在
                                                                                                                                         
Wilkinson's catalyst                                                                                                                                                                          作用下,
                                                                                                                以
                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                    反应 5.0h,
                                                                                                                以54%的产率得到[(2R,3S,6S)-3-acetyloxy-6-[[(1R,9S)-4-[[(2R,3S,6S)-3-acetyloxy-2-(acetyloxymethyl)-3,6-dihydro-2H-pyran-6-yl]oxymethyl]-1-methyl-12-oxatricyclo[7.2.1.02,7]dodeca-2,4,6-trien-5-yl]methoxy]-3,6-dihydro-2H-pyran-2-yl]methyl acetate