CHO 0H H HOΨ H半OH CHO H- 一OH CH,OH CH2OH D-(+)-葡萄糖 D-(什)-甘油醛
CHO H OH HO H H OH H OH CH2 OH CHO H OH CH2 OH 1 2 3 4 5 6 α β γ δ D - (+) - 葡萄糖 D - (+) - 甘油醛
19.2.2单糖的氧环式结构 CHO H -OH HH OH H HO 一H 顺时针旋转 弯曲成环状 -CHO H OH 90℃ HOCH2 OH OHH OH H -OH CH2OH H CH2OH H CH2OH OH 旋转C4一C5键 H OH OH H CHO HO OH H CHO H HO OH OH CH2OH CH2OH H QOH←一苷羟基 Haworth式 OH H 苷原子 OH H HO H HO OH OH OH
19.2.2 单糖的氧环式结构 CHO CH2OH H OH H OH HO H H OH HOCH2 CHO H OH H OH OH H H OH 顺时针旋转 90 C o 弯曲成环状 CHO CH2OH H OH OH H H OH HO H 旋转C4—C5键 CHO OH CH2OH H OH H H OH HO H O CH2OH H OH H H OH HO H OH H O CH2OH H OH H H OH HO H H OH 苷羟基 Haworth式 苷原子
CH2OH HOCH,O CH2OH H QCH2OH L OH OH OH HO OH OH H CH,OH aD-()吡喃果糖 C=0 aD-()呋喃果糖 HO-H H-OH CH2OH H-OH CH2OH D-()果糖 HOCH2O OH OH H OH HO CH2OH CH2OH OH H B-D-()-吡喃果糖 BD-()呋喃果糖
C=O CH2OH CH2OH H OH H OH HO H O CH2OH H OH H H OH HO H CH2OH OH O CH2OH H OH H H OH HO H CH2OH OH CH2OH OH HOCH2 O H OH H H OH CH2OH HOCH2 O OH H OH H H OH α -D-(-)-吡喃果糖 β-D-(-)-吡喃果糖 α -D-(-)-呋喃果糖 β-D-(-)-呋喃果糖 D-(-)-果糖