2.成脎反应 CHO CH=NNHC6H5 CH=NNHC6Hs H OH H-OH C=NNHCH5 HO- H C.H5NHNH2 HO- -H 2 C6HsNHNH2 HO-H H OH HAc H 一OH H一 一OH H-OH H-OH H-OH CH2OH CH2OH CH2OH D-葡萄糖 D-葡萄糖苯腙 D-葡萄糖脎 CH2OH CH2OH CH=NNHC6H5 C=0 C=NNHC6H5 C=NNHC6Hs HO H HO- H C.HsNHNH2 HO- H H OH 2C6H5NHNH2 HAc H- OH H -OH H OH H 一OH H-OH CH2OH CH2OH CH2OH D-果糖 D-果糖苯腙 脎 D-葡萄糖脎=D-果糖脎=D-甘露糖脎2. 成脎反应 CH H OH HO H H OH H OH CH2OH NNHC6H5 C6H5NHNH2 HAc D-葡萄糖苯腙 C HO H H OH H OH CH2OH NNHC6H5 CH NNHC6H5 2 C6H5NHNH2 D-葡萄糖脎 C HO H H OH H OH CH2OH CH2OH NNHC6H5 C6H5NHNH2 HAc D-果糖苯腙 C HO H H OH H OH CH2OH NNHC6H5 CH NNHC6H5 2 C6H5NHNH2 脎 CHO H OH HO H H OH H OH CH2OH D-葡萄糖 C HO H H OH H OH CH2OH O CH2OH D-果糖 D-葡萄糖脎 = D-果糖脎 = D-甘露糖脎