4-azido-3-O-<2',6'-bis(benzyloxycarbonylamino)-2',3',4',6'-tetradeoxy-α-D-erythro-hexopyranosyl>-1,4,5-trideoxy-6-O-methyl-1-(benzyloxycarbonyl)methylamino-D-chiro-inositol                                                                                                                                                              在
                                                                                                                                                                                 
barium dihydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
1,4-二氧六环   、                                                                                         
水                                                                                  为溶剂,
                                                                                                                                                    反应 4.0h,
                                                                                                                以74%的产率得到4-azido-3-O-<2',6'-bis(benzyloxycarbonylamino)-2',3',4',6'-tetradeoxy-α-D-erythro-hexopyranosyl>-1,4,5-trideoxy-6-O-methyl-1-(methylamino)-D-chiro-inositol