Crystal Structure of 3,19-(2,6-dimethoxybenzyledine)andrographolide

Id2211343
Common name3,19-(2,6-dimethoxybenzyledine)andrographolide
Chemical name(E)-3-{2-[3-(2,6-dimethoxyphenyl)-6a,10b-dimethyl-8-methylene-decahydro- 1H-naphtho[2,1-d][1,3]dioxin-7-yl]ethylidene}-4-hydroxy-4,5-dihydrofuran- 2(3H)-one
a (Å)6.50210(10)
b (Å)12.9728(2)
c (Å)29.5163(4)
α (°)90.00
β (°)90.00
γ (°)90.00
V (Å3)2489.71(6)
Space groupP 21 21 21
Temperature (K)297(2)
Rint0.0431
Publication: Acta Crystallographica Section E (2006) 62, 12 o5806-o5808