Heterocyclic Derivatives of Curcumin: Crystal Structure of 3,5-Bis[β-(4-acetoxy-3-methoxyphenyl)ethyl]pyrazole Benzene Solvate

抄録

C₂₅H₂₈N₂O₆·0.50(C₆H₆) is monoclinic, C2/c. The unit-cell dimensions at 293 K are a = 13.968(2), b = 25.185(3), c = 15.050(2)Å, β = 102.272(2)°, V = 5173.4(12)ų, D_x = 1.262 g/cm³, and Z = 8. The R value is R = 0.0766 for 1463 reflections. There is an intermolecular hydrogen bond with an N1…N1 distance of 2.851(7)Å. The pyrazole ring adopts a distorted envelope conformation. The molecules in the crystal are packed at the normal van der Waals distances.