Fig. 17
From: Too sweet: cheminformatics for deglycosylation in natural products
a 4-Ethyl-5-{2,2,8-trimethyl-6-oxo-3-[(2,3,4,5,6-pentahydroxyhexyl)peroxy]-2H,3H,4H,6H-pyrano[3,2-g]chromen-10-yl}-5λ5-pyrrolo[3,4-b]pyrrol-5-ylium contains a linear sugar aldose (in red) attached to the parental structure by a peroxide bond (in blue). b 2,3,4,5-Tetrahydroxy-6-({7-hydroxy-5-[(2,3,4,5,6-pentahydroxyhexyl)oxy]-2-(3,4,5-trihydroxyphenyl)-4H-chromen-3-yl}oxy)hexyl 3-(4-hydroxyphenyl)prop-2-enoate contains two aldoses, one terminal (in purple) and one non-terminal (in red) attached to the parent structure by ether bonds (in blue). c Cryptoporic acid F with two acidic sugars, one terminal (in purple) and one non-terminal (in red) attached to the parent structure by ether bonds (in blue). d 7,8-Dimethyl-10-(2,3,4-trihydroxy-5-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}pentyl)-2H,3H,4H,10H-benzo[g]pteridine-2,4-dione with an aldose (in red) and a ring sugar (in purple)