Acemannan
IUPAC 名称
N-[(2R,3S,4R,5S,6R)-5-{[(2R,3S,4R,5R,6R)-4-(acetyloxy)-5-{[(2S,3S,4R,5S,6S)-4-(acetyloxy)-5-{[(2R,3S,4R,5R,6R)-4-(acetyloxy)-5-{[(2R,3S,4R,5R,6R)-4-(acetyloxy)-3-hydroxy-6-(hydroxymethyl)-5-methoxyoxan-2-yl]oxy}-3-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-6-carboxy-3-hydroxyoxan-2-yl]oxy}-3-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-2-{[(2R,3R,4R,5S,6R)-4-(acetyloxy)-6-{[(2R,3R,4R,5S,6R)-4-(acetyloxy)-6-{[(2R,3R,4R,5S,6S)-4-(acetyloxy)-5-hydroxy-2-(hydroxymethyl)-6-methoxyoxan-3-yl]oxy}-5-hydroxy-2-(hydroxymethyl)oxan-3-yl]oxy}-5-hydroxy-2-(hydroxymethyl)oxan-3-yl]oxy}-4-hydroxy-6-(hydroxymethyl)oxan-3-yl]ethanecarboximidate
描述
Constituent of leaf juice of Aloe barbadensis. It is used in flavouring
As noted from its structure, Acemannan is a mucopolysaccharide with mannoacetate as the monomer linked by ?-1,4- glycosidic linkages (3,6). This polymer is hydrophilic: 50 hydrogen bond acceptors, 19 hydrogen bond donors and logP of -3.27. Therefore, it?s permeability (and hence bioavailability) has been scored to be 1 according to Lipinsky?s rule of five (4).
异构
CO[C@H]1O[C@H](CO)[C@@H](O[C@H]2O[C@H](CO)[C@@H](O[C@H]3O[C@H](CO)[C@@H](O[C@H]4O[C@H](CO)[C@@H](O[C@H]5O[C@H](CO)[C@@H](O[C@H]6O[C@@H]([C@@H](O[C@H]7O[C@H](CO)[C@@H](O[C@H]8O[C@H](CO)[C@@H](OC)[C@H](OC(C)=O)[C@@H]8O)[C@H](OC(C)=O)[C@@H]7O)[C@H](OC(C)=O)[C@@H]6O)C([O-])=O)[C@H](OC(C)=O)[C@@H]5O)[C@H](O)[C@@H]4NC(C)=O)[C@H](OC(C)=O)[C@@H]3O)[C@H](OC(C)=O)[C@@H]2O)[C@H](OC(C)=O)[C@@H]1O
InChI标识符
InChI=1S/C66H101NO49/c1-18(75)67-33-34(83)42(26(11-68)102-59(33)110-44-29(14-71)106-63(38(87)51(44)97-21(4)78)113-46-30(15-72)107-64(39(88)53(46)99-23(6)80)111-45-28(13-70)103-60(94-10)35(84)50(45)96-20(3)77)109-61-37(86)52(98-22(5)79)48(32(17-74)105-61)114-66-41(90)55(101-25(8)82)56(57(116-66)58(91)92)115-65-40(89)54(100-24(7)81)47(31(16-73)108-65)112-62-36(85)49(95-19(2)76)43(93-9)27(12-69)104-62/h26-57,59-66,68-74,83-90H,11-17H2,1-10H3,(H,67,75)(H,91,92)/p-1/t26-,27-,28-,29-,30-,31-,32-,33+,34-,35+,36+,37+,38+,39+,40+,41+,42-,43-,44-,45-,46-,47-,48-,49-,50-,51-,52-,53-,54-,55-,56+,57+,59-,60+,61-,62-,63-,64-,65-,66+/m1/s1
键
XOYXESIZZFUVRD-UVSAJTFZSA-M