Description
Pseudoprotodioscin is a natural steroid isolated from the rhizomes of Dioscorea nipponica Makino. Pseudoprotodioscin shows moderate cytotoxicity.
Synonyms
Protogracellin; (3β,25R)-26-(β-D-Glucopyranosyloxy)furosta-5,20(22)-dien-3-yl O-6-deoxy-α-L-mannopyranosyl-(1→2)-O-[6-deoxy-α-L-mannopyranosyl-(1→4)]-β-D-glucopyranoside; Oligofurostanoside A
IUPAC Name
(2S,3R,4R,5R,6S)-2-[(2R,3S,4S,5R,6R)-4-hydroxy-2-(hydroxymethyl)-5-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy-6-[[(1S,2S,4S,8S,9S,12S,13R,16S)-7,9,13-trimethyl-6-[(3R)-3-methyl-4-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxybutyl]-5-oxapentacyclo[10.8.0.02,9.04,8.013,18]icosa-6,18-dien-16-yl]oxy]oxan-3-yl]oxy-6-methyloxane-3,4,5-triol
Molecular Formula
C51H82O21
Canonical SMILES
C[C@H]1[C@@H]([C@H]([C@H]([C@@H](O1)O[C@@H]2[C@H](O[C@H]([C@@H]([C@H]2O)O[C@H]3[C@@H]([C@@H]([C@H]([C@@H](O3)C)O)O)O)O[C@H]4CC[C@@]5([C@H]6CC[C@]7([C@H]([C@@H]6CC=C5C4)C[C@H]8[C@@H]7C(=C(O8)CC[C@@H](C)CO[C@H]9[C@@H]([C@H]([C@@H]([C@H](O9)CO)O)O)O)C)C)C)CO)O)O)O
InChI
InChI=1S/C51H82O21/c1-20(19-64-46-40(60)39(59)36(56)31(17-52)69-46)7-10-29-21(2)33-30(68-29)16-28-26-9-8-24-15-25(11-13-50(24,5)27(26)12-14-51(28,33)6)67-49-45(72-48-42(62)38(58)35(55)23(4)66-48)43(63)44(32(18-53)70-49)71-47-41(61)37(57)34(54)22(3)65-47/h8,20,22-23,25-28,30-49,52-63H,7,9-19H2,1-6H3/t20-,22+,23+,25+,26-,27+,28+,30+,31-,32-,33+,34+,35+,36-,37-,38-,39+,40-,41-,42-,43+,44-,45-,46-,47+,48+,49-,50+,51+/m1/s1
InChIKey
MDCUMTGKKLOMCW-XNVNDPJESA-N