Crystal Structure of Betulin 3,28-di-O-tosylate

Id2239806
Common nameBetulin 3,28-di-O-tosylate
Chemical name(1<i>R</i>,3a<i>S</i>,5a<i>R</i>,5b<i>R</i>,7a<i>R</i>,9<i>S</i>,11a<i>R</i>,11b<i>R</i>,13a<i>R</i>,13b<i>R</i>)-5a,5b,8,8,11a-Pentamethyl-1-(prop-1-en-2-yl)-3a-[(tosyloxy)methyl]icosahydro-1<i>H</i>-cyclopenta[<i>a</i>]chrysen-9-yl 4-methylbenzenesulfonate
a (Å)6.98240(10)
b (Å)18.2035(4)
c (Å)31.4449(9)
α (°)90.00
β (°)90.00
γ (°)90.00
V (Å3)3996.78(16)
Space groupP 21 21 21
Temperature (K)173(2)
Rint0.0769
Publication: Acta Crystallographica Section E (2014) 70, 8 o879-o880