D系醛糖的 0 立体结构 H-OH D(+)-甘油醛 CH,OH (allose) 0. 01H H-OH HO-H H-OH H-OH D(少苏糖 D()赤鲜糖 CH,OH CH2OH (threose) (erythrose) H H Oc H H-0H HO-H H-0H HO-H H-OH H-OH HO-H HO-H H-OH H-OH H十OH H-OH D核糖CH,OH D-阿拉伯糖CH,OH D(+)木 CH,OH D()-米苏糖 (ribose) (xylose) (lysose) CH,OH (arabinose) H O H 0+H 0.1H O.H 0+H 中H C H-OH HO-H H-OH HO-H H -OH HO- -H H-OH HO- -H H-OH H -OH HO-HHO-H H -OH H -OH HO -H HO H H-OH H-OH H-OH H-0H HO- -H HO- -H HO- -H HO- H0H H-OH H十OH H十OH H FOH H-OH H -OH -OH CH.OH CH,OH CH,OH CH,OH CH,OH CH,OH CH,OH CH,OH D(+)阿洛糖D(+)阿桌糖 D(+)葡萄糖D(+)甘露糖 D(+)古洛糖 D(艾杜糖 D(+)半乳糖D(+)塔罗糖 (allose) (altrose) (glucose) (mannose) (gulose) (idose) (galactose) (talose)
D系醛糖的 立体结构 D(+)-阿洛糖 D(+)-阿桌糖 D(+)-葡萄糖 D(+)-甘露糖 D(+)-古洛糖 D(-)-艾杜糖 D(+)-半乳糖 D(+)-塔罗糖 (allose) (altrose) (glucose) (mannose) (gulose) (idose) (galactose) (talose) D(-)-赤鲜糖 (erythrose) D(-)-苏糖 (threose) D(+)-甘油醛 (allose) D(-)-核糖 (ribose) D(-)-阿拉伯糖 (arabinose) D(+)-木糖 (xylose) D(-)-米苏糖 (lysose)
D系酮糖的 CH2OH CH,OH 立体结构 C=0 C=0 H OH CH,OH D赤藓酮糖CH2OH (erythrulose) 二羟丙酮 (dihytroasetone) CH,OH CH,OH C=0 C=0 H -OH HO-H H OH H-OH D()核酮糖 CH,OH D(+)-核酮糖 (ribulose) CH,OH (xylulose) CH,OH CH,OH CH,OH CH,OH C=0 C=0 C=0 C=0 H-OH HO- -H H-OH HO-H H-OH H -OH HO-H HO-H H-OH H十OH H-OH H-OH CH,OH CH,OH CH,OH CH,OH D(+)-阿洛酮糖 D()果糖 D(+)-山梨糖 D(-)-洛格酮糖 (psicose,allulose) (fructose) (sorbose) (tagalose)
D系酮糖的 立体结构 D(-)-赤藓酮糖 (erythrulose) D(-)-核酮糖 (ribulose) D(+)-核酮糖 (xylulose) D(+)-阿洛酮糖 (psicose,allulose) D(-)-果糖 (fructose) D(+)-山梨糖 (sorbose) D(-)-洛格酮糖 (tagalose) 二羟丙酮 (dihytroasetone)
6 CH,OH CH,OH 5 H H H0二CH0 H 4 OH OH H HO OH H OH 吡喃 3 呋喃 H OH H OH α-D-吡喃葡萄糖 o-D-呋喃葡萄糖 H CH,OH HOH,C CH,OH 5 HO HO OH H OH 4 OH H OH H α-D-吡喃果糖 o-D-呋喃果糖 吡喃型和呋喃型的D-葡萄糖和D-果糖(Haworth式)
吡喃型和呋喃型的D-葡萄糖和D-果糖(Haworth式) 吡喃 呋喃 -D-吡喃葡萄糖 -D-吡喃果糖 -D-呋喃葡萄糖 -D-呋喃果糖
CH,OH H OH H 6CH2OH 成环,HO OH H-C,-OH CH,OH H0-C,H转折 旋转 OH o-D-吡喃葡萄糖 OH OH H-C-OH HO HO H-C3-OH CH,OH OH OH CH2OH 成环 OH HO OH B-D-吡喃葡萄糖 D-葡萄糖由Fischer式改写为Haworth式的步骤
D-葡萄糖由Fischer式改写为Haworth式的步骤 转折 旋转 成环 成环 -D-吡喃葡萄糖 -D-吡喃葡萄糖
重要的单糖一戊糖 HOH,C OH HOH,C OH OH CH2OH H HO OH OH HO OH β-D-呋喃核糖 2-脱氧B-D-呋喃核糖 B-D-吡喃木糖 B-D-芹菜糖 CH,OH CH,OH =0 C-0 OH HOCH2 H OH HO -H H HO HOCH OH H OH H一C一OH OH CH2OH CH2OH αL-呋喃阿拉伯糖 αaD-呋喃阿拉伯糖 D-核酮糖 D-木酮糖 合
重要的单糖—戊糖 -D-呋喃核糖 2-脱氧-D-呋喃核糖 -D-吡喃木糖 -D-芹菜糖 -L-呋喃阿拉伯糖 -D-呋喃阿拉伯糖 D-核酮糖 D-木酮糖