Glucose is a major energy sourceor animal and human metabolism,and prow gre ole in cellulose
Sucrose is one of the most common sugars and is found in many fruits,seeds,roots,and honey. It is the final product in photosynthesis
Cyclization of Monosaccharides OH 2 oh HO 4 OH OH 5 H 6 CH-OH 直链氧环式 CH-OH
Cyclization of Monosaccharides 直链氧环式
葡萄糖的环状结构和Haworth式 H OH H OH H OH HO H HO H H OH H OH OH H CH2OH CH2OH 直链氧环式 D-(+)-葡萄糖 CH>OH a-D-(+)-吡喃 葡萄糖 半缩醛羟基 OH 为a位
(3). 葡萄糖的环状结构和 Haworth 式 D-(+)-葡萄糖 α-D-(+)-吡喃 葡萄糖 C CH2O H H HO H H OH H OH OH H O CH2O H H OH HO H H OH H H OH O O OH H H H HO OH H OH H CH2OH 半缩醛羟基 为 α 位 直链氧环式
Sec 3 Reactions od monosachrides ■Mutarotation and Epimerization(变旋现 象与差向异构化) ■显色反应 Oxidation and reduction ■Formation of Glycosides(成苷反应) ■Other reactions ●Ether Formation ●Ester Formation ●Osazone Formation
Sec 3 Reactions od monosachrides ◼Mutarotation and Epimerization(变旋现 象与差向异构化) ◼显色反应 ◼Oxidation and reduction ◼Formation of Glycosides(成苷反应) ◼Other reactions ⚫Ether Formation ⚫Ester Formation ⚫Osazone Formation