Description
Pseudoprotodioscin is a natural steroid isolated from the rhizomes of Dioscorea nipponica Makino. Pseudoprotodioscin shows moderate cytotoxicity.
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)-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
CC1C(C(C(C(O1)OC2C(OC(C(C2O)OC3C(C(C(C(O3)C)O)O)O)OC4CCC5(C6CCC7(C(C6CC=C5C4)CC8C7C(=C(O8)CCC(C)COC9C(C(C(C(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